What’s the Difference Between an Energy Retailer and a Distributor?
If you’ve ever looked at your Alberta electricity or natural gas bill and wondered who all these companies are — you’re not alone. Most Albertans see names like ATCO, ENMAX, FortisAlberta, or EPCOR alongside their chosen energy provider and think: wait, didn’t I sign up with one company?
The short answer: in Alberta’s deregulated energy market, retailers and distributors play completely different roles, and understanding the difference can save you real money on your energy bills.
Here’s how it all works — in plain language.
Alberta’s Energy System: The Three Key Players
Alberta’s energy market has three main layers. Each one handles a different piece of getting electricity or natural gas to your home:
- Generators/Producers — The companies that produce electricity (power plants, wind farms, solar farms) or extract natural gas. They sell energy on the wholesale market.
- Distributors (Wires/Pipes Companies) — The companies that own and maintain the physical infrastructure — the power lines, poles, gas pipelines, and meters that deliver energy to your home.
- Retailers — The companies you actually choose to buy your energy from. They purchase energy from the wholesale market and sell it to you at a rate you agree to — either fixed or variable.
Think of it like groceries: the farmer grows the food (generator), the trucking company delivers it (distributor), and the grocery store sells it to you (retailer). You choose which store to shop at, but the truck route stays the same.
What Does an Energy Distributor Actually Do?
Distributors are the infrastructure companies. In Alberta, the main ones are:
- ATCO Electric — Serves rural and northern Alberta (about 265,000 customers)
- FortisAlberta — Covers central and southern Alberta (about 580,000+ customers)
- ENMAX (City of Calgary) — Serves Calgary and surrounding areas
- EPCOR (City of Edmonton) — Serves the Edmonton region
- ATCO Gas — Handles most natural gas distribution across Alberta
Here’s what distributors are responsible for:
- Maintaining power lines, gas pipelines, and meters — They keep the physical network running.
- Responding to outages and emergencies — If a storm knocks out power in Red Deer or a gas leak is reported in Edmonton, it’s the distributor who sends a crew.
- Connecting and disconnecting service — When you move to a new home, the distributor handles the physical hookup.
- Reading your meter — They measure how much electricity or gas you actually use each month.
The Key Point About Distributors
You don’t get to choose your distributor. It’s assigned based on where you live. If your home is in FortisAlberta’s service territory, that’s who maintains your lines — regardless of which retailer you pick. This is because it would be wildly impractical (and expensive) to have competing sets of power lines running down every street.
Distribution charges show up on your bill as “Transmission & Distribution” fees. These are regulated by the Alberta Utilities Commission (AUC) and are the same no matter which retailer you’re with. For a deeper breakdown, see our guide on transmission and distribution charges in Alberta.
What Does an Energy Retailer Do?
Retailers are the companies you actually choose. In Alberta’s deregulated market, you have the freedom to pick your energy retailer — and that choice directly affects the rate you pay for electricity and natural gas.
Here’s what retailers handle:
- Purchasing energy on the wholesale market — Retailers buy electricity and natural gas from producers and generators.
- Setting your rate — They offer you a price plan (fixed rate, variable rate, or floating rate) for the energy you consume.
- Billing you — Most retailers handle the entire bill, including passing through the distribution and transmission charges on a single invoice.
- Customer service — Questions about your rate, your contract, or your payment? That’s your retailer.
At Get Energy, for example, we offer competitive fixed and variable rates for both electricity and natural gas across Alberta — from Calgary to Grande Prairie to Lethbridge and everywhere in between.
How Retailers and Distributors Work Together
Even though they’re separate companies, retailers and distributors coordinate closely:
- The distributor reads your meter and reports your usage.
- The retailer takes that usage data and multiplies it by your rate to calculate the energy portion of your bill.
- The retailer also collects the distribution and transmission charges on behalf of the distributor and passes them through.
- You get one bill from your retailer that includes everything.
This is why your bill shows charges from multiple entities even though you only deal with one company day to day.
Why This Matters for Your Wallet
Here’s the critical takeaway: the only part of your bill you can actually control is the energy rate — and that’s set by your retailer.
Transmission and distribution charges are regulated and fixed. Administration fees are standard. But the cents-per-kilowatt-hour you pay for electricity, or the cents-per-gigajoule for natural gas? That comes down to which retailer you’re signed up with and what plan you chose.
Let’s look at real numbers. On a typical Alberta home using around 600 kWh of electricity per month:
- At the Regulated Rate Option (RRO), your energy charge fluctuates monthly. In 2025-2026, it ranged from roughly 8 to 18 cents/kWh depending on market conditions.
- With a competitive fixed-rate plan, you lock in a predictable rate — no surprises when the wholesale market spikes.
- The distribution and transmission charges remain roughly the same either way — typically $60-$90/month depending on your area and usage.
So switching retailers doesn’t change your wires or pipes, doesn’t interrupt your service, and doesn’t require any equipment changes. It simply changes who sets your energy rate. Learn more about how switching energy providers works in Alberta.
Common Misconceptions About Retailers vs. Distributors
“If I switch retailers, will my power go out?”
No. Switching retailers is a billing change, not a physical one. Your distributor (FortisAlberta, ATCO, ENMAX, EPCOR) continues maintaining your lines exactly as before. The electrons flowing into your home don’t know or care which retailer you’re with.
“My distributor is also my retailer — is that normal?”
Yes, in some cases. ENMAX and EPCOR operate as both distributors and retailers in Calgary and Edmonton respectively. But even if your distributor also offers retail services, you’re not locked in. You can still switch to an independent retailer like Get Energy for a potentially better rate.
“Can my retailer fix a power outage?”
No. Power outages, gas leaks, and infrastructure problems are handled by your distributor. If you lose power, call your distributor’s emergency line — not your retailer. Your retailer can help with billing questions, rate changes, and account management.
“Are all retailers basically the same?”
Definitely not. Retailers differ in the rates they offer, their contract terms, customer service quality, cancellation fees, and additional programs. Some retailers lock you into long contracts with hefty exit penalties. Others, like Get Energy, focus on straightforward pricing without hidden fees. It pays to compare — literally. Check out our Alberta energy providers comparison for a side-by-side look.
What About the Regulated Rate Option (RRO)?
If you haven’t actively chosen a retailer, you’re likely on the Regulated Rate Option. The RRO is a default rate set monthly based on wholesale market prices, offered by your local default supplier (often your distributor’s retail arm).
The RRO isn’t a “government rate” or a discounted rate — it’s simply the rate you get if you don’t shop around. In many months, competitive retailers offer rates below the RRO. For more details, read our full breakdown: Alberta’s Regulated Rate Option (RRO) Explained.
The Role of the Alberta Utilities Commission (AUC)
The AUC oversees the entire system to make sure it’s fair:
- They regulate distribution charges — distributors can’t just charge whatever they want.
- They license retailers — every retailer operating in Alberta must be AUC-licensed.
- They set rules for contracts — retailers must follow specific disclosure and cancellation rules.
- They handle complaints — if you have a dispute with your retailer or distributor, the AUC is the final authority.
This regulatory framework is what makes Alberta’s deregulated market work. “Deregulated” doesn’t mean unregulated — it means you have the freedom to choose your retailer while the infrastructure and rules are still overseen by the province.
How to Tell Which Is Which on Your Bill
Next time you look at your energy bill, here’s a quick guide to what comes from where:
| Bill Line Item |
Who Sets It |
Can You Control It? |
| Energy Charge (¢/kWh or ¢/GJ) |
Your Retailer |
Yes — by choosing your retailer and plan |
| Transmission Charge |
Regulated (AESO/AUC) |
No — same for everyone |
| Distribution Charge |
Your Distributor (AUC-regulated) |
No — based on your location |
| Rate Riders |
Regulated (AUC) |
No — temporary adjustments |
| Administration Fee |
Your Retailer |
Partially — varies by retailer |
| Local Access Fee / Municipal Fee |
Your Municipality |
No — set by your city/town |
For a complete walkthrough of every charge on your bill, see our guide: Your Alberta Electricity Bill Explained.
How to Choose the Right Retailer
Since your retailer is the one part of the equation you control, here’s what to look for:
- Compare rates — Look at the actual cents/kWh or cents/GJ, not just marketing claims. Check current Get Energy rates here.
- Understand the contract — How long is the term? Is there an early cancellation fee? What happens when the contract expires?
- Check for hidden fees — Some retailers advertise low rates but add high administration fees, exit fees, or “security deposits.”
- Look at customer reviews — Google Reviews, BBB ratings, and the AUC’s complaint records tell you a lot.
- Consider additional benefits — Do they offer energy bundles with internet or other services? Special programs like Solar Club for solar homeowners?
Frequently Asked Questions
Can I switch energy retailers if I’m renting?
Yes. If the energy account is in your name, you have full freedom to choose your retailer — whether you own or rent. Your landlord cannot force you to use a specific retailer if you’re the account holder.
How long does it take to switch retailers?
Switching typically takes effect within one billing cycle (about 30 days). There’s no physical work required — no one comes to your home, and your service is never interrupted.
Will switching retailers affect my gas AND electricity?
Not automatically. Electricity and natural gas are separate accounts, even if they appear on the same bill. You can switch one, both, or neither independently.
What happens if my retailer goes out of business?
You won’t lose power or gas. If a retailer ceases operations, your account is transferred to the default RRO supplier for your area. Your distributor keeps delivering energy regardless of what happens to your retailer.
Do I need to notify my distributor if I switch retailers?
No. Your new retailer handles the switch notification. The distributor updates their records automatically — you don’t need to make any calls or fill out any forms with them.
The Bottom Line
Understanding the difference between retailers and distributors is one of the most practical pieces of energy knowledge an Albertan can have. Your distributor keeps the lights on — literally — by maintaining the wires and pipes. Your retailer determines what you pay for the energy flowing through them.
Since you can’t change your distributor but you can change your retailer, that’s where your power (pun intended) lies. If you haven’t compared rates recently, it’s worth a five-minute look.
→ Compare Get Energy’s current electricity and natural gas rates
If you’re renovating your Alberta home this year, you have a real opportunity: every upgrade you make can either waste energy for the next 20 years or save you thousands. The difference comes down to knowing which energy-efficient renovations actually pay for themselves — and which ones are more hype than savings.
This guide breaks down the most impactful energy renovations for Alberta homes in 2026, with real cost estimates, expected savings, and payback timelines based on our climate and energy prices.
Why Energy-Efficient Renovations Matter More in Alberta
Alberta’s climate is brutal on homes. With winter temperatures regularly dropping below -30°C and summer heat pushing past 30°C, your home’s envelope (walls, windows, attic, foundation) works overtime year-round. That’s why Albertans spend an average of $2,800–$4,200 per year on home energy — significantly more than the national average.
The flip side? Energy-efficient upgrades deliver bigger savings here than in milder climates. A well-insulated attic in Vancouver might save $200/year. In Edmonton or Calgary, that same upgrade can save $400–$700 annually because your furnace runs so much harder.
And with Alberta’s deregulated energy market, you can pair your renovations with a competitive energy rate to maximize savings even further.
The 7 Best Energy-Efficient Renovations for Alberta Homes
1. Attic Insulation Upgrade — Best Bang for Your Dollar
Cost: $1,500–$3,500 for a typical Alberta home
Annual Savings: $400–$700
Payback Period: 3–6 years
If your home was built before 2000, there’s a strong chance your attic insulation is underperforming. Alberta building codes now recommend R-60 in attics, but many older homes have R-20 or less.
Blown-in cellulose or fibreglass is the most cost-effective approach. For a 1,200 sq ft attic, expect to pay around $2,000–$2,500 installed. The savings are immediate — your furnace runs less in winter, and your air conditioner (if you have one) works less in summer.
Pro tip: Before adding insulation, seal all air leaks around plumbing stacks, electrical penetrations, and the attic hatch. Air sealing alone can cut heat loss by 15–25%.
2. Window Replacement — Triple-Pane Is the Alberta Standard
Cost: $800–$1,500 per window (installed)
Annual Savings: $300–$600 (whole-house replacement)
Payback Period: 8–15 years
Single-pane windows in Alberta are essentially holes in your wall. Even older double-pane windows with failed seals (you’ll see fog between the panes) bleed heat badly.
For Alberta’s climate, triple-pane, low-E, argon-filled windows are the gold standard. They cost more upfront than double-pane, but the energy savings and comfort improvement are substantial — no more cold drafts by the windows in January.
If a full replacement isn’t in the budget, consider replacing only north-facing and east-facing windows first, as these lose the most heat in winter.
3. Basement Insulation — The Overlooked Energy Drain
Cost: $3,000–$6,000 (interior spray foam)
Annual Savings: $300–$500
Payback Period: 7–12 years
Many Alberta homes, especially those built in the 1970s–1990s, have uninsulated or poorly insulated basement walls. Since heat rises, people assume basements don’t matter much. But an uninsulated basement can account for 20–30% of total heat loss.
Closed-cell spray foam (R-20 minimum) on basement walls is the best approach for Alberta. It insulates and acts as a vapour barrier in one step, which is critical for preventing moisture problems in our freeze-thaw climate.
4. High-Efficiency Furnace Upgrade
Cost: $4,500–$7,000 (installed)
Annual Savings: $400–$800
Payback Period: 6–10 years
If your furnace is 15+ years old, it’s likely running at 80% efficiency (or less). Modern high-efficiency furnaces hit 96–98% AFUE, meaning almost every dollar of natural gas you pay for actually heats your home.
For Alberta homeowners with older furnaces, this is often the single largest energy cost reduction available. A household spending $1,800/year on gas heating could save $400–$800 annually by upgrading from an 80% to a 96% efficient unit.
Consider a heat pump: Cold-climate air-source heat pumps now work reliably down to -25°C and can cut heating costs by 30–50% compared to gas furnaces. They’re more expensive upfront ($8,000–$15,000 installed) but the long-term savings are significant, especially when paired with solar panels from programs like Get Energy’s Solar Club.
5. Smart Thermostat + Zoning Controls
Cost: $250–$500 (thermostat) / $2,000–$4,000 (zoning system)
Annual Savings: $150–$350
Payback Period: 1–3 years (thermostat) / 6–10 years (full zoning)
We’ve covered smart thermostats in detail, but they’re worth mentioning here because they’re the easiest, cheapest energy upgrade you can make during a renovation.
If you’re already opening walls for other work, consider adding a zoning system. This lets you heat occupied rooms to 21°C while keeping empty bedrooms at 16°C — potentially saving 20–30% on heating without any discomfort.
6. Exterior Door Replacement
Cost: $1,200–$3,000 per door (installed)
Annual Savings: $100–$200
Payback Period: 8–15 years
Doors don’t get as much attention as windows, but a poorly sealed exterior door can leak as much air as a 6-inch hole in your wall. In Alberta’s wind-driven cold, that’s a significant energy penalty.
Look for doors with a polyurethane foam core (R-10 or higher), magnetic weatherstripping, and a proper threshold seal. If you’re only replacing one door, prioritize the one that faces the prevailing wind (typically northwest in most Alberta cities).
7. LED Lighting + Electrical Panel Upgrade
Cost: $200–$500 (full LED conversion) / $2,000–$4,000 (panel upgrade)
Annual Savings: $100–$250
Payback Period: 1–3 years (LEDs) / 10+ years (panel)
If you still have incandescent or CFL bulbs anywhere in your home, switching to LED during a renovation is a no-brainer. LEDs use 75% less electricity and last 15–25 times longer.
An electrical panel upgrade (from 100A to 200A) doesn’t save energy directly, but it future-proofs your home for heat pumps, EV chargers, and other electric upgrades that will save energy long-term.
How to Prioritize Your Renovations
Not every homeowner can tackle all seven upgrades at once. Here’s a practical priority order based on cost-effectiveness for Alberta homes:
- Air sealing + attic insulation — Lowest cost, fastest payback
- Smart thermostat — Under $500, saves immediately
- Furnace upgrade (if yours is 15+ years old) — Big savings on your largest energy expense
- Basement insulation — Especially if you’re finishing the basement anyway
- Window replacement — Do the worst-performing windows first
- Doors — Replace if they’re drafty or damaged
- LED conversion — Quick and cheap, do it anytime
Alberta Rebates and Incentives for Energy Renovations (2026)
Several programs can offset renovation costs for Alberta homeowners:
- Canada Greener Homes Grant: Up to $5,000 for eligible energy upgrades (insulation, windows, heat pumps). Requires a pre- and post-retrofit EnerGuide evaluation.
- Alberta Energy Efficiency Programs: Various utility-sponsored rebates for insulation, high-efficiency furnaces, and smart thermostats.
- Municipal Programs: Some cities like Edmonton and Calgary offer additional incentives — check your local programs.
Important: Most rebate programs require you to get an energy audit before starting work. Book your EnerGuide evaluation early — wait times can be 4–6 weeks during busy renovation season.
Pair Your Renovations with the Right Energy Rate
An efficient home paired with an expensive energy rate is like buying a fuel-efficient car and filling it with premium. Once you’ve reduced your consumption through smart renovations, make sure you’re also paying a competitive rate.
Check Get Energy’s current rates to see how much you could save. Alberta homeowners in Calgary, Edmonton, Red Deer, and across the province can lock in competitive electricity and natural gas rates — and if you’ve installed solar panels, Solar Club gives you Alberta’s best rate for solar homeowners.
Frequently Asked Questions
What’s the most cost-effective energy renovation for an Alberta home?
Attic insulation combined with air sealing delivers the best return on investment. For $1,500–$3,500, you can save $400–$700 per year — paying for itself in as little as 3 years.
Are triple-pane windows worth it in Alberta?
Yes. Alberta’s extreme temperature swings (-30°C to +30°C) make triple-pane windows significantly more effective than double-pane. They reduce heat loss by up to 40% compared to standard double-pane units and virtually eliminate cold-side condensation.
How much can I save with a high-efficiency furnace in Alberta?
Upgrading from an 80% AFUE furnace to a 96% model typically saves $400–$800 per year on natural gas, depending on your home size and usage. The payback period is usually 6–10 years.
Do I need an energy audit before renovating?
An energy audit isn’t required for all renovations, but it’s mandatory if you want to qualify for the Canada Greener Homes Grant. Even without the grant, an audit (around $300–$600) helps you prioritize upgrades by showing exactly where your home loses the most energy.
Can I do energy renovations in winter in Alberta?
Some renovations like attic insulation, furnace replacement, smart thermostat installation, and interior basement insulation can be done year-round. Window and door replacement is better in warmer months (April–October) to avoid exposing your home to extreme cold during installation.
Your solar panels get most of the attention, but the inverter is the component that actually makes your system work. Without it, the direct current (DC) electricity your panels produce can’t power a single light in your home. The inverter converts that DC into alternating current (AC) — the type of electricity your appliances, furnace fan, and air conditioner all run on.
For Alberta homeowners, inverter choice matters more than you might think. Our extreme temperature swings (from –35°C winters to +35°C summers), long winter shadows, and variable spring weather all affect how different inverter types perform. Picking the wrong one can cost you 10–25% of your potential solar production.
This guide breaks down the three main inverter types — string inverters, microinverters, and power optimizers — with real Alberta-specific considerations to help you make the right call.
What Does a Solar Inverter Actually Do?
A solar inverter handles three critical jobs:
- DC-to-AC conversion — Transforms the DC electricity from your panels into 240V AC electricity your home uses
- Maximum Power Point Tracking (MPPT) — Continuously adjusts voltage and current to extract the maximum possible energy from your panels in changing conditions
- Grid compliance and safety — Monitors grid voltage and frequency, and automatically disconnects your system during power outages (anti-islanding) to protect utility workers
In Alberta, your inverter also communicates with your utility through your micro-generation meter. When your panels produce more than you use, the inverter manages the export to the grid — which is how you earn those net metering credits on your bill.
String Inverters — The Traditional Choice
A string inverter connects all your solar panels in a series “string” (or multiple strings) and feeds them into a single central inverter box, typically mounted on an exterior wall or in your garage.
How String Inverters Work
All panels in a string share one MPPT channel. The inverter optimizes for the entire string’s output at once. Think of it like a chain — the string performs at the level of its weakest link. If one panel is shaded, dirty, or underperforming, every panel in that string is dragged down to match.
Typical Costs in Alberta
- Equipment cost: $1,000–$2,500 for a residential unit (5–10 kW)
- Installation: Simpler wiring means lower labour costs — usually $500–$1,000 less than microinverter setups
- Total system impact: String inverter systems typically come in 5–10% cheaper overall than equivalent microinverter systems
When String Inverters Make Sense in Alberta
- Simple, unshaded roofs: If your south-facing roof has zero shade from trees, chimneys, or neighbouring structures, a string inverter captures nearly all available energy
- Single-orientation arrays: All panels face the same direction at the same angle — common on newer Alberta homes with large, uniform roof sections
- Budget-conscious installations: When you want the lowest upfront cost and your roof geometry supports it
Limitations to Watch For
- Shade sensitivity: Even partial shade on one panel reduces the entire string’s output. Alberta’s low winter sun angle can cast long shadows from fences, vents, or nearby structures
- Single point of failure: If the inverter fails, your entire system goes offline until it’s repaired or replaced
- Limited monitoring: You see total system output, but can’t monitor individual panel performance
- Typical lifespan: 10–15 years, meaning you’ll likely need at least one replacement during your panels’ 25-year warranty period
Microinverters — Panel-Level Optimization
A microinverter is a small inverter mounted directly behind each individual solar panel. Each panel operates independently with its own MPPT, converting DC to AC right at the panel.
How Microinverters Work
Because each panel has its own inverter, shading or soiling on one panel doesn’t affect any other panel. Each one independently maximizes its own output. The AC power from all panels is combined and fed to your electrical panel.
Typical Costs in Alberta
- Equipment cost: $150–$250 per panel (so $2,400–$5,000 for a typical 16–20 panel system)
- Installation: Slightly more wiring time, adding $500–$1,500 to labour costs
- Total system impact: Expect to pay 10–15% more than a comparable string inverter system upfront
When Microinverters Shine in Alberta
- Partial shading: Trees, chimney shadows, vent stacks, or neighbouring buildings that shade portions of your roof at different times of day
- Multi-orientation roofs: Panels on two or more roof faces (e.g., south and west) — common on Alberta homes with complex rooflines, hip roofs, or dormers
- Panel-level monitoring: You can see exactly how each panel performs — invaluable for spotting issues like snow coverage patterns or a failing panel
- Future expansion: Easy to add more panels later without replacing the inverter
Advantages for Alberta’s Climate
- Snow shedding: When snow slides off some panels but not others (very common in Alberta winters), microinverters let the cleared panels produce at full capacity while the snowy ones catch up
- Cold weather performance: Smaller electronics mounted behind the panels actually benefit from cold temperatures — efficiency increases as temperatures drop
- Long winter shadows: Alberta’s low sun angle from November through February creates long, moving shadows. Microinverters minimize the impact since only the directly shaded panels are affected
Potential Drawbacks
- Higher upfront cost: 10–15% premium over string inverters
- Roof-mounted electronics: Repairs require accessing the rooftop, which is more complex (and costly) than swapping a wall-mounted string inverter. That said, modern microinverters from brands like Enphase carry 25-year warranties
- More potential failure points: More individual units means more things that could fail — though individual failure only affects one panel, not your whole system
Power Optimizers — The Middle Ground
Power optimizers (like SolarEdge’s system) are a hybrid approach. A small optimizer module is mounted behind each panel — similar to a microinverter — but it doesn’t convert DC to AC. Instead, it optimizes the DC output of each panel before sending it to a central string inverter.
How Power Optimizers Work
Each optimizer performs MPPT at the panel level, eliminating the “weakest link” problem of traditional string inverters. The optimized DC power then flows to a central inverter for the DC-to-AC conversion. You get panel-level optimization without the full cost of microinverters.
Typical Costs in Alberta
- Optimizer modules: $50–$100 per panel
- Central inverter: $1,500–$3,000 (SolarEdge inverters are purpose-built for their optimizers)
- Total system impact: Usually 5–8% more than a basic string inverter system, but 5–7% less than full microinverters
When Power Optimizers Work Well in Alberta
- Moderate shading: Some shade but not extreme — optimizers mitigate the impact without the full cost of microinverters
- Mixed orientations with simple monitoring needs: Panels on multiple roof faces where you want per-panel data
- Battery-ready setups: SolarEdge inverters integrate well with battery storage options — relevant if you’re considering adding battery storage down the road
Considerations
- Vendor lock-in: SolarEdge optimizers only work with SolarEdge inverters — you can’t mix and match brands
- Central inverter still a single point of failure: If the central unit fails, the system goes down (though optimizers have independent shutdown capabilities for safety)
- Warranty split: Optimizers typically carry 25-year warranties, but the central inverter is usually warrantied for 12 years (extendable to 20–25 for an additional cost)
Head-to-Head Comparison for Alberta Homes
| Factor |
String Inverter |
Microinverter |
Power Optimizer |
| Upfront cost |
Lowest |
Highest (+10–15%) |
Middle (+5–8%) |
| Shade handling |
Poor — whole string affected |
Excellent — per-panel independence |
Good — per-panel MPPT |
| Snow performance |
Reduced until all panels clear |
Cleared panels produce independently |
Cleared panels optimized individually |
| Monitoring |
System-level only |
Per-panel |
Per-panel |
| Typical warranty |
10–15 years |
25 years |
25 years (optimizer) / 12 years (inverter) |
| Expandability |
Limited by inverter capacity |
Add panels freely |
Limited by inverter capacity |
| Cold weather efficiency |
Good |
Excellent |
Very good |
| Failure impact |
Entire system offline |
Only one panel affected |
Entire system if inverter fails |
Which Inverter Type Should Alberta Homeowners Choose?
Here’s a practical decision framework based on what we see across Alberta installations:
Choose a String Inverter If:
- Your roof is a single, large south-facing surface with zero shading
- Budget is the top priority and you want the lowest cost per watt
- You’re comfortable potentially replacing the inverter once during the panel lifespan
- Common in: newer communities in Airdrie, Leduc, and Spruce Grove with uniform roof designs
Choose Microinverters If:
- You have any significant shading (trees, structures, vents)
- Your roof has multiple orientations or complex geometry
- You want panel-level monitoring and maximum energy harvest
- You plan to expand your system later
- Common in: established neighbourhoods in Calgary and Edmonton with mature trees
Choose Power Optimizers If:
- You want panel-level optimization without the full microinverter premium
- You’re planning to add battery storage in the near future
- You have moderate shading or a two-orientation roof
- Common in: homes across Red Deer, Lethbridge, and Medicine Hat
What About Inverter Sizing and Alberta’s Grid Rules?
Under Alberta’s micro-generation regulation, residential systems must be under 5 MW — effectively no constraint for homes. However, your inverter must meet specific technical requirements:
- CSA certification: All inverters must be CSA-approved for the Canadian market
- Anti-islanding protection: Required by Alberta’s electrical code to prevent back-feeding during outages
- Inverter-to-panel ratio: Most Alberta installers size inverters at 1:1 to 1:1.25 (inverter capacity to panel capacity). A slight oversize accounts for Alberta’s cold-weather voltage boost — panels can exceed rated output on bright, cold winter days
Your installer handles all permitting and interconnection paperwork with your wire service provider (ENMAX, EPCOR, FortisAlberta, etc.), but understanding these basics helps you evaluate quotes.
How Alberta’s Climate Affects Your Inverter Choice
Alberta’s unique climate creates specific conditions worth factoring in:
- Temperature extremes: Inverters must handle –40°C to +45°C operating ranges. Most quality inverters (Enphase, SolarEdge, Fronius) are rated for this range, but always confirm with your installer
- Hail: Panels and microinverters/optimizers mounted on the roof face hail risk. The panels themselves are tested to withstand 25mm hail at 80+ km/h — the inverter electronics behind them are protected by the panel glass
- Chinooks: Rapid temperature swings in southern Alberta (Calgary, Lethbridge) cause thermal cycling stress. Quality inverters handle this, but it’s another argument for buying from established brands with proven Alberta track records
- Peak production timing: Alberta’s longest days (16+ hours of daylight in June/July) mean your inverter runs for extended periods. String inverters handle this fine, but microinverters’ distributed architecture means no single component is under continuous load
Frequently Asked Questions
How long do solar inverters last in Alberta?
String inverters typically last 10–15 years in Alberta’s climate. Microinverters and power optimizers are designed for 25+ years. The cold winters actually help electronics last longer (heat is the primary enemy of power electronics), but extreme temperature cycling is a consideration.
Can I replace my string inverter with microinverters later?
Technically yes, but it requires rewiring the entire system — the panels need to be removed and remounted with the microinverters. It’s rarely cost-effective. Better to choose the right inverter type from the start.
Do microinverters really produce more energy in Alberta?
On unshaded roofs, the difference is modest — typically 2–5% more annual production. On partially shaded roofs, microinverters can produce 10–25% more than a string inverter. The bigger your shading issue, the bigger the benefit.
Which brands do Alberta installers recommend?
The most commonly installed brands in Alberta are Enphase (microinverters), SolarEdge (optimizers + inverters), and Fronius (string inverters). All three have strong Canadian support and warranty networks.
Will my inverter work during a power outage?
Standard grid-tied inverters (all three types) shut down during outages for safety. To maintain power during outages, you need a battery system with a hybrid inverter or a dedicated backup gateway — see our solar battery storage guide for details.
The Bottom Line
For most Alberta homes — especially in established neighbourhoods with some shading — microinverters offer the best long-term value despite the higher upfront cost. The 25-year warranty, panel-level optimization for our snowy winters, and individual monitoring make them the safest choice.
If budget is your primary concern and your roof is simple and shade-free, a string inverter from a reputable brand still delivers solid performance. Power optimizers hit the sweet spot if you want panel-level data and plan to integrate battery storage.
Whichever type you choose, make sure your installer is a licensed Alberta electrical contractor with micro-generation experience, and get at least three quotes to compare equipment and pricing.
Already have solar and want the best electricity rate for your exported power? Get Energy’s Solar Club offers Alberta’s best rates specifically designed for solar homeowners. Check our current rates to see how much you could save.
When you flip a light switch in Calgary or turn on the AC in Edmonton, electricity flows instantly. But where does that power actually come from? How does it get from a generation facility to your outlet? And why does the source of generation affect what you pay on your monthly electricity bill?
Alberta’s electricity system is unique in Canada — it’s a deregulated, competitive market where dozens of generators compete to supply power. Understanding how generation works gives you a real edge as a consumer, especially when choosing between fixed and variable rates.
Here’s a clear, plain-language breakdown of how Alberta generates electricity in 2026.
Alberta’s Electricity Generation Mix in 2026
Alberta’s power generation has undergone a dramatic transformation over the past decade. Here’s what the current mix looks like:
- Natural gas: ~68% of total generation capacity. This is Alberta’s backbone fuel — reliable, dispatchable, and available 24/7.
- Wind: ~18% of installed capacity. Alberta has some of the best wind resources in Canada, especially in southern Alberta near Pincher Creek and around Drumheller.
- Solar: ~5% and growing fast. Alberta gets more sunshine than any other province — about 2,300 hours of bright sunshine annually in southern regions.
- Coal: ~3% and declining. Alberta was once heavily coal-dependent but has been phasing out coal generation since 2015. The last coal units are converting to natural gas or shutting down.
- Other (hydro, biomass, cogeneration): ~6%. Small hydro facilities on the Bow and North Saskatchewan rivers, plus industrial cogeneration at oil sands facilities.
For context: in 2015, coal accounted for over 55% of Alberta’s generation. The shift to natural gas and renewables has been one of the fastest energy transitions in North America.
How the Alberta Power Grid Works
Alberta’s electricity system has four main components, each handled by different organizations:
1. Generation — Where Power Is Made
Private companies own and operate power plants across the province. Major generators include TransAlta, Capital Power, ATCO, and Heartland Generation. They build and operate natural gas plants, wind farms, solar farms, and the remaining coal units.
Unlike some provinces (like BC or Manitoba) where a Crown corporation owns almost all generation, Alberta’s system is entirely competitive. Any company can build a power plant and sell electricity into the grid.
2. Transmission — The Highway System
High-voltage transmission lines carry electricity from power plants to local areas. Think of these as the highways of the electrical system — they move large amounts of power over long distances.
The Alberta Electric System Operator (AESO) plans and oversees the transmission system, while companies like AltaLink and ATCO Electric own and maintain the actual lines. These transmission charges show up on your bill as a separate line item.
3. Distribution — The Local Roads
Distribution companies (like ENMAX in Calgary, EPCOR in Edmonton, and FortisAlberta in rural areas) take power from the transmission system and deliver it to individual homes and businesses through lower-voltage local lines.
Distribution charges also appear as a separate line on your bill. These cover the cost of maintaining the poles, wires, and transformers in your neighbourhood.
4. Retail — Who You Pay
Retailers like Get Energy buy electricity from the wholesale market (or lock in contract prices) and sell it to you at either fixed or variable rates. This is the part of the system where you have a choice — and where you can save money by shopping around.
The Merit Order — How Electricity Prices Are Set
Alberta uses something called the merit order to determine which power plants run at any given moment. Here’s how it works:
- Every generator submits an “offer” — the price at which they’re willing to sell electricity into the grid.
- The AESO stacks these offers from cheapest to most expensive.
- As demand increases throughout the day, more expensive generators get called on.
- The price everyone gets paid is set by the most expensive generator needed to meet demand at that moment.
This is called the pool price, and it changes every hour (sometimes every few minutes). It’s the wholesale price of electricity in Alberta.
Why This Matters for Your Bill
If you’re on the Regulated Rate Option (RRO), your rate closely tracks the pool price — so it fluctuates monthly. If you’re on a fixed-rate contract with a retailer like Get Energy, your rate is locked in regardless of what the pool price does.
On a hot summer afternoon when everyone’s running their air conditioning, the pool price might spike to $200/MWh or higher. On a mild spring night with strong winds, it might drop to $0 or even go negative (yes, generators sometimes pay to keep running rather than shut down and restart).
Natural Gas Generation — Alberta’s Workhorse
Natural gas plants dominate Alberta’s grid for good reason:
- Reliability: Gas plants can run 24/7 and adjust output quickly to match demand.
- Fuel availability: Alberta sits on massive natural gas reserves. The fuel is cheap and abundant.
- Lower emissions than coal: Natural gas produces about 50-60% less CO₂ per megawatt-hour than coal.
- Flexibility: Modern combined-cycle gas turbines can ramp up or down within minutes, making them ideal partners for variable wind and solar generation.
Most of Alberta’s recent generation growth has been in natural gas. The province has added several large combined-cycle plants in the past five years, and many former coal units have been converted to burn natural gas instead.
Wind Power in Alberta — A Growing Force
Alberta has become one of Canada’s wind energy leaders. The province has over 4,500 MW of installed wind capacity, with major wind farms located in:
- Southern Alberta: Near Lethbridge and Pincher Creek — some of the windiest spots in the country.
- Central Alberta: Around Red Deer and Drumheller.
- Eastern Alberta: Near Hanna, Oyen, and Medicine Hat.
Wind turbines generate electricity whenever the wind blows above about 12 km/h (the “cut-in speed”). Modern turbines can produce power in winds up to about 90 km/h before they shut down for safety.
The challenge with wind is intermittency — the wind doesn’t always blow when you need power most. That’s why natural gas plants serve as the essential backup, ramping up when wind output drops.
Solar Generation — Alberta’s Sunshine Advantage
Alberta might not seem like an obvious solar leader, but the numbers tell a different story. Southern Alberta receives about 2,300 hours of bright sunshine per year — more than most locations in Germany, which is one of the world’s largest solar markets.
Large-scale solar farms are increasingly common across the province, with projects ranging from 10 MW community installations to 400+ MW utility-scale facilities. And thousands of Alberta homeowners have installed rooftop solar panels through the micro-generation program.
If you’ve got solar panels on your roof, you’re actually a generator yourself. Through net metering, any excess electricity you produce gets credited on your bill. Get Energy’s Solar Club is designed specifically for solar homeowners who want the best possible rate on the electricity they still need from the grid.
Coal Phase-Out — The End of an Era
For decades, coal was king in Alberta. As recently as 2015, coal plants generated over 55% of the province’s electricity. But a combination of federal regulations, provincial policy, and market economics has driven coal’s rapid decline.
Key milestones in Alberta’s coal transition:
- 2015: Coal generates 55%+ of Alberta’s electricity.
- 2016: Alberta announces plan to phase out coal by 2030.
- 2018-2023: Major coal units begin converting to natural gas or retiring.
- 2024-2025: Only a handful of coal units remain operational.
- 2030 target: Complete phase-out of coal-fired electricity generation.
Most coal units haven’t simply shut down — they’ve been converted to burn natural gas instead, preserving the infrastructure and jobs while dramatically cutting emissions.
How Generation Affects What You Pay
The cost of generating electricity is just one piece of your total bill, but it’s the piece you have the most control over. Here’s a simplified breakdown of a typical Alberta electricity bill:
- Energy charges (generation): ~40-50% of your total bill. This is the commodity cost — the actual electricity you consume.
- Transmission charges: ~15-20%. Moving power from generators to your area.
- Distribution charges: ~25-30%. Delivering power from your local substation to your home.
- Other (admin fees, rate riders, local access fees): ~5-10%.
When generation costs spike (due to high demand, low wind, or plant outages), the energy charge portion of your bill is what moves. The transmission and distribution charges are regulated and don’t change with the pool price.
This is exactly why locking in a competitive fixed rate with Get Energy can protect your budget. You control the biggest variable on your bill.
Peak Demand — When the Grid Gets Stressed
Alberta’s electricity demand follows predictable daily and seasonal patterns:
- Daily peak: Typically between 5:00 PM and 8:00 PM on weekdays, when people come home from work and start cooking, doing laundry, and running appliances.
- Summer peaks: Hot afternoons in July and August when air conditioning loads spike — this is when Alberta’s grid hits its highest annual demand.
- Winter peaks: Cold mornings in January and February when heating systems and lighting are running full tilt.
- Lowest demand: Overnight (2:00 AM to 5:00 AM) and on mild spring/fall days.
Peak demand matters because it determines whether enough generation capacity exists. When demand exceeds available supply, the AESO issues grid alerts — and in extreme cases, can order rolling brownouts (though this is very rare in Alberta).
Using energy during off-peak hours, running appliances overnight, and using a smart thermostat to shift heating/cooling loads can help reduce both your costs and stress on the grid.
The Future of Alberta Electricity Generation
Alberta’s generation mix will continue evolving. Key trends to watch:
- More renewables: Wind and solar capacity will keep growing, driven by falling costs and corporate demand for clean energy.
- Battery storage: Battery technology is advancing rapidly. Grid-scale batteries can store solar and wind energy for use during peak demand.
- Hydrogen: Alberta’s natural gas industry is exploring hydrogen production as a zero-emission fuel for power generation.
- Small modular reactors (SMRs): Nuclear is being studied as a future baseload option, though no Alberta projects are currently under construction.
- Capacity market: Alberta is evaluating changes to its electricity market structure that could affect how generators are paid and how prices are set.
Regardless of how the generation mix shifts, the fundamentals stay the same: choose a reliable energy retailer, lock in a rate that works for your budget, and make smart decisions about when and how you use electricity.
Frequently Asked Questions
What is the main source of electricity in Alberta?
Natural gas is Alberta’s primary electricity source, accounting for roughly 68% of total generation capacity. Wind power is second at about 18%, followed by solar at around 5%. Coal has dropped to about 3% and is being phased out completely by 2030.
Is Alberta’s electricity clean?
Alberta’s grid is significantly cleaner than it was a decade ago. The shift from coal (55%+ in 2015) to natural gas and renewables has reduced carbon intensity substantially. However, compared to provinces like BC (hydro) or Quebec (hydro), Alberta’s grid still has higher emissions per kilowatt-hour.
Why does Alberta’s electricity price fluctuate so much?
Alberta uses a competitive wholesale market where the price changes hourly based on supply and demand. When demand is high (hot summer afternoons) or supply is constrained (low wind, plant outages), prices spike. Fixed-rate plans protect you from these fluctuations.
Can I choose where my electricity comes from?
In Alberta’s deregulated market, you can choose your retailer, but not the specific source of your electricity. All generated power flows into the same grid. However, some retailers offer green energy programs, and installing rooftop solar lets you generate your own clean electricity at home.
What is the AESO?
The Alberta Electric System Operator (AESO) is the independent, not-for-profit organization that operates Alberta’s electrical grid. It manages the wholesale electricity market, plans the transmission system, and ensures reliable electricity supply across the province.
Alberta’s electric vehicle adoption is accelerating. Over 30,000 EVs are now registered in the province, and that number is climbing fast. If you’ve just bought an EV — or you’re thinking about it — one of the first questions is: how do I charge this thing at home, and what will it cost me?
This guide covers everything Alberta homeowners need to know about home EV charging in 2026 — from charger types and installation costs to how it shows up on your electricity bill and how to keep those costs low.
Level 1 vs Level 2 Charging — What’s the Difference?
Every EV comes with a basic charging cable that plugs into a standard 120V household outlet. That’s Level 1 charging — and it’s painfully slow.
- Level 1 (120V): Adds roughly 5–8 km of range per hour. Charging a typical EV from 20% to 80% takes 20–30+ hours. Fine for plug-in hybrids or very short commutes, but impractical for most full-EV owners.
- Level 2 (240V): Adds 30–50 km of range per hour. A full charge overnight (8 hours) easily covers 250–400 km — more than enough for daily driving. This is what most Alberta EV owners install at home.
Level 2 uses the same type of 240V circuit as your dryer or oven, but with a dedicated EV charger (also called an EVSE — Electric Vehicle Supply Equipment) mounted in your garage or on an exterior wall.
How Much Does a Home EV Charger Cost in Alberta?
Here’s the real breakdown for a Level 2 home charger in Alberta in 2026:
The Charger Itself
- Budget models (e.g., Grizzl-E, Lectron): $500–$700
- Mid-range (e.g., ChargePoint Home Flex, Emporia, Wallbox Pulsar Plus): $700–$1,100
- Premium / smart chargers (e.g., Tesla Wall Connector, JuiceBox 48): $800–$1,400
Most Alberta homeowners land in the $600–$900 range. Smart chargers with WiFi, scheduling, and energy tracking cost a bit more but can save you money long-term by letting you schedule charging during off-peak hours.
Installation Costs
This is where costs vary the most. A licensed electrician in Alberta typically charges:
- Simple install (panel near garage, no upgrades needed): $300–$600
- Moderate install (longer wire run, minor panel work): $600–$1,200
- Complex install (panel upgrade, sub-panel, or exterior run): $1,500–$3,000+
The biggest cost driver is your electrical panel. If your home already has a 200-amp panel with available breaker space, installation is straightforward. Older homes with 100-amp panels may need a panel upgrade (typically $2,000–$4,000), which significantly increases the total project cost.
Total all-in cost for most Alberta homes: $1,000–$2,000. Budget $2,500–$4,500 if a panel upgrade is needed.
What Will EV Charging Add to Your Electricity Bill?
This is the question everyone asks — and the answer is surprisingly reasonable.
The average Canadian EV uses about 2,000–2,500 kWh per year for typical driving (roughly 15,000–20,000 km/year). In Alberta, your electricity rate determines the cost:
- At 10¢/kWh (competitive fixed rate): ~$200–$250/year
- At 15¢/kWh (typical RRO range): ~$300–$375/year
- At 20¢/kWh (higher variable rate): ~$400–$500/year
Compare that to gasoline. A comparable gas car driving 18,000 km/year at 8L/100km and $1.50/litre costs about $2,160/year in fuel. Even at Alberta’s higher electricity rates, you’re saving $1,700–$1,900 per year on fuel alone.
Your electricity rate matters a lot here. If you’re still on Alberta’s Regulated Rate Option (RRO), you’re likely paying more than you need to. Switching to a competitive fixed rate — which takes about 5 minutes — can save you 20–30% on your EV charging costs. Check current Get Energy rates here.
How to Reduce Your EV Charging Costs
Alberta doesn’t have time-of-use electricity pricing like Ontario, so you won’t save money by charging at midnight vs. noon. But there are still smart ways to keep costs down:
1. Lock in a Low Fixed Electricity Rate
This is the single biggest lever. A competitive fixed-rate electricity plan can be 3–5¢/kWh cheaper than the RRO. Over a year of EV charging, that adds up to $60–$125 in savings — on top of your regular household electricity savings.
2. Use a Smart Charger with Scheduling
Even without time-of-use rates, scheduling your charger to run overnight reduces strain on your home’s electrical system during peak usage hours (when you’re running the AC, cooking, etc.). This matters if your panel is close to capacity.
3. Don’t Charge to 100% Every Night
Most EV manufacturers recommend keeping your battery between 20% and 80% for daily use. Charging to 100% regularly degrades the battery faster and uses more electricity per km added (due to slower charging speeds at the top of the battery). Set your car’s charge limit to 80% for daily driving.
4. Monitor Your Usage
Smart chargers and most EV apps track your charging consumption. Keep an eye on it — if your costs seem high, check for phantom drain, pre-conditioning settings, or an unusually low charging efficiency (which can indicate a failing charger or electrical issue).
Solar Panels + EV Charging — A Powerful Combination
If you have solar panels on your Alberta home, EV charging gets even more interesting. During summer months, a typical 10 kW residential solar system in Alberta produces 40–50 kWh per day — more than enough to cover your daily driving needs and then some.
Through Alberta’s net metering program, excess solar energy you export to the grid earns credits on your bill. If you time your EV charging to coincide with peak solar production (mid-day), you’re essentially charging your car for free using sunlight.
Get Energy’s Solar Club offers Alberta’s best electricity rate for solar homeowners — meaning your non-solar electricity (including nighttime EV charging) costs less, too.
EV Charger Installation Checklist for Alberta Homes
Before you buy a charger or call an electrician, run through this checklist:
- Check your electrical panel: Is it 200-amp? How many open breaker slots do you have? A Level 2 charger typically needs a dedicated 40-amp or 50-amp breaker.
- Measure the distance: How far is your panel from where you want the charger? Longer wire runs = higher installation costs.
- Indoor or outdoor? If the charger will be outside (no garage), make sure it’s NEMA 4 rated for weather. Alberta winters are hard on outdoor equipment.
- Choose the right amperage: Most Level 2 chargers come in 32-amp or 48-amp versions. A 48-amp charger charges about 50% faster, but requires a 60-amp breaker and heavier wiring. For most drivers, 32-amp (on a 40-amp breaker) is plenty.
- Get 2–3 quotes: Electrical work costs vary widely in Alberta. Get quotes from licensed electricians who have EV charger experience. Ask specifically about permit costs (most Alberta municipalities require an electrical permit).
- Check for rebates: Some Alberta municipalities and utilities offer EV charger installation rebates. The City of Edmonton, for example, has periodically offered incentives. Check your local municipality’s website before you install.
Do You Need a Permit for EV Charger Installation in Alberta?
Yes, in most cases. Any new 240V circuit installation in Alberta requires an electrical permit. Your electrician should handle this, but make sure it’s included in their quote. In Calgary, the permit typically costs $100–$150. Edmonton and other municipalities have similar requirements.
Skipping the permit is illegal and can cause issues with your home insurance. Always use a licensed electrician and get the work inspected.
What About Apartment and Condo EV Charging?
If you live in a condo or apartment in Calgary, Edmonton, or elsewhere in Alberta, home EV charging is trickier but not impossible:
- Designated parking with power access: Some newer buildings include EV-ready stalls. Check with your condo board.
- Shared charging solutions: Companies like SWTCH and FLO install shared Level 2 chargers in condo parking. The cost is typically shared among EV-owning residents or charged per kWh.
- Alberta’s condo legislation: Alberta’s Condominium Property Act was amended to make it easier for condo owners to install EV chargers. Your condo board can’t unreasonably deny a request — but you’ll likely need to cover the installation cost and prove it won’t overload the building’s electrical system.
Frequently Asked Questions
How long does it take to charge an EV at home?
With a Level 2 charger (240V), most EVs charge from 20% to 80% in 4–6 hours. A full 0–100% charge typically takes 8–10 hours. Level 1 charging (120V outlet) is much slower — 20–30+ hours for a full charge.
Can I plug my EV into a regular outlet?
Yes, every EV comes with a Level 1 charging cable for standard 120V outlets. It works, but it’s very slow — only practical for plug-in hybrids or if you drive less than 40 km per day.
Will charging an EV at home increase my electricity bill significantly?
Expect an increase of $17–$40 per month depending on how much you drive and your electricity rate. That’s far less than the $150–$200/month most Albertans spend on gasoline for a comparable vehicle.
Is there a rebate for home EV charger installation in Alberta?
Provincial rebates vary. Some municipalities offer periodic incentives. The federal government has offered EV purchase incentives through the iZEV program. Check your local municipality and the Transport Canada website for current programs.
What electricity rate should I be on for EV charging?
A competitive fixed-rate plan is almost always the best choice for EV owners. It gives you cost predictability and is typically cheaper than the RRO. Compare rates at Get Energy to find the best option.
The Bottom Line
Home EV charging in Alberta is straightforward and surprisingly affordable. For most homeowners, you’re looking at a one-time investment of $1,000–$2,000 for the charger and installation, followed by $200–$375/year in electricity — saving you $1,700+ annually compared to gasoline.
The smartest move? Pair your EV charger with a competitive electricity rate. Check Get Energy’s current rates to make sure you’re not overpaying on every charge. And if you’ve got solar panels, you’re looking at some of the cheapest driving costs in the country.
Ready to cut your energy costs across the board? Switching to Get Energy takes less than 5 minutes — and there’s no interruption to your power supply.
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