Wood Pellet Fuel Cost Calculator
The national estimate is adjusted by your state's overall price level (BEA Regional Price Parities, 2022, U.S.=100). This is a cost-of-living proxy applied to the national wood pellet fuel price — not a per-state wood pellet fuel quote. Always get local quotes before buying.
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A 100-bag pellet purchase for a heating season runs $500 to $800 at current bag prices. A single ton (40 bags) runs $250 to $350. At $300 per ton, pellets cost about $18.75 per MMBTU of raw heat — a standard pellet holds 16–16.8 MMBTU per ton. Set the bag count and price inputs above to see your seasonal total.
Pellet cost is easy to underestimate because the per-bag price hides the seasonal total. This page turns bags into dollars, and shows why buying by the skid instead of the bag is the single biggest saving available to a pellet-stove owner.
Ways to save on this project
Premium pellets (ash content ≤0.5%) cost $15–$30/ton more than standard grade.
They stretch the interval between cleanings from three days to seven to ten, and the time savings offset the premium across a full season.
Pellet pricing peaks in October and November when dealers restock into live demand.
August contracts with September delivery consistently price below peak.
Wet pellets swell, jam the auger, and void some stove warranties.
A garage or basement makes a full ton viable to store; a covered outdoor stack needs a vapor barrier underneath, not just a tarp on top.
| Grade | Ash Content | BTU/Ton | Cleanings/Month | Price/Ton | Best For |
|---|---|---|---|---|---|
| Premium | ≤0.5% | 8,000–8,500 | 2–4 | $300–$400 | Primary heat source, daily use |
| Standard | 0.5–1.0% | 7,800–8,200 | 8–12 | $270–$360 | Supplemental heat, occasional use |
| Utility / industrial | ≥2.0% | 7,500–8,000 | 15–20 | $220–$300 | Outdoor boilers, industrial only |
The Bottom Line
- At $300 per ton, standard pellets cost $18.75 per MMBTU raw and $23.44 delivered through an 80% efficient [3] stove; premium at the same price runs $17.86 raw and $22.32 delivered.
- Natural gas at $12.72 per MCF delivers heat at $15.59 per MMBTU, about 33% cheaper than pellets [1]. Pellets only match gas at roughly $167 per ton.
- Electric resistance heat at $0.15 per kWh costs $43.95 per MMBTU, so pellets cut that fuel bill nearly in half.
- A 1,500 square foot house on pellets as primary heat burns 2 to 3 tons per season, or $640 to $960 at $320 per ton.
- Budget another $15 to $65 per season for the stove's 50 to 100 watt electrical draw, and remember the stove will not run in a power outage without a battery backup.
Pellet Fuel vs. Natural Gas and Electricity: Cost Per MMBTU
| Fuel | Input price | Raw $/MMBTU | Delivered at efficiency |
|---|---|---|---|
| Wood pellets, standard (16 MMBTU/ton) | $300 per ton | $18.75 | $23.44 at 80% [3] |
| Wood pellets, premium (16.8 MMBTU/ton) | $300 per ton | $17.86 | $22.32 at 80% [3] |
| Natural gas (1.02 MMBTU/MCF) | $12.72 per MCF | $12.47 | $15.59 at 80% [3] |
| Electricity, resistance (293 kWh/MMBTU) | $0.15 per kWh | $43.95 | $43.95 at 100% |
Read the last column, not the third. Raw fuel price tells you what you bought; delivered cost tells you what actually heated the room. Resistance electric heat is the exception, since essentially all of the kilowatt-hour becomes heat.
At these prices pellets cost roughly half what resistance electric costs, and about 50% more than natural gas. Live EIA rates sit at $12.72–$23.62 for gas and $0.15–$0.22 for electricity; plug your own utility bill in before deciding.
Efficiency swings this table more than fuel price does. A 70% stove [3] pushes standard pellets to $26.79 per MMBTU delivered; an 85% stove drops it to $22.06. That is a $4.73 spread from the appliance alone.
Run the same $/MMBTU formula against firewood with the wood heating cost calculator.
Bag Price to Ton Price: The Conversion Buyers Skip
Pellets come in 40-pound bags, 50 bags to the ton. Multiply the bag price by 50 to get the ton price, then divide by MMBTU per ton to get your fuel cost.
A $6 bag is $300 per ton. A $6.50 bag is $325. A $7.50 bag is $375. That 50-cent difference on a bag looks trivial in the aisle and costs $75 per ton at the register.
- 40 lb bag at 8,000 BTU/lb = 320,000 BTU per bag, or 0.32 MMBTU
- 50 bags = 2,000 lb = 1 ton = 16 MMBTU standard, 16.8 MMBTU premium
- Bag price x 50 = ton price; ton price divided by MMBTU per ton = raw $/MMBTU
- Divide by stove efficiency for delivered cost
Ton pricing on a shrink-wrapped skid usually runs below single-bag pricing at the same store. If you burn more than a ton a season, single bags are a convenience purchase, not a fuel purchase.
Premium vs. Standard Pellets: Does the BTU Gain Pay?
Standard pellets run about 8,000 BTU per pound, premium about 8,400. That modest heat gain is the only thing you are buying, so premium is worth paying for only if the price premium is proportionally small.
At $300 per ton for standard, the break-even premium price is $315 per ton. Above that, you pay more per unit of heat even though the bag burns hotter. Most retailers price premium $20 to $40 above standard, which puts it right at or slightly past break-even on heat alone.
The non-BTU argument for premium is ash. Premium pellets carry very low ash content, which means fewer burn-pot cleanings and less hopper clogging over a season. That is a maintenance benefit, not a fuel-cost benefit, so keep it out of the $/MMBTU math.
Moisture content drives the heat value in both grades. Pellets are manufactured under 8% moisture, which is why they beat seasoned cordwood on consistency even when cordwood wins on price. The EIA's biomass energy overview covers how wood fuel heat content is measured.
Seasonal Price Patterns and When to Buy
Pellet prices bottom out in late spring and summer, then climb through fall as heating season demand arrives. Buying three tons in July instead of December commonly saves $20 to $50 per ton, which is $60 to $150 on a typical season.
The catch is storage. Three tons is 150 bags and roughly 40 cubic feet of stacked space, and pellets absorb moisture fast if the wrap is broken. A dry garage or shed works; an uncovered porch does not.
Supply shocks land hard in this market because pellet mills are regional. A cold snap in the Northeast can empty local shelves in a week and push spot bag prices past $9 while ton pricing at big-box stores holds. Preseason buying is mostly insurance against that.
Worked Example: Three Tons of Premium Pellets
Setup: 3 tons of premium wood pellets at $320 per ton, burned in a pellet stove running at 80% [3] efficiency. Season fuel spend is 3 x $320 = $960.
Heat content first. Premium pellets at 8,400 BTU/lb x 2,000 lb = 16.8 MMBTU per ton. Three tons is 50.4 MMBTU of raw heat.
Raw cost: $320 divided by 16.8 = $19.05 per MMBTU. Delivered cost: $19.05 divided by 0.80 = $23.81 per MMBTU that actually reaches the room.
Natural gas at $12.72 per MCF is $12.47 per MMBTU raw and $15.59 delivered through an 80% [5][3] furnace. Gas wins by $8.22 per MMBTU, roughly 35% cheaper for the same delivered heat.
Break-even runs the other way: pellets match gas when the ton price equals $12.47 x 16.8 x 0.80, or $167.58 per ton. Pellets have not been that cheap in years, so at national gas rates the switch is not a fuel-cost win. It is a win against propane, heating oil, and electric resistance heat.
The Hidden Cost: Pellet Stove Electricity Draw
Pellet stoves are not passive appliances. The auger, combustion blower, and convection fan pull 50 to 100 watts continuously while the stove runs, plus a brief 300 to 500 watt spike from the igniter at each startup.
Run the math at 8 hours per day and $0.15 per kWh. A 50-watt draw is 0.4 kWh per day, or $0.06. A 100-watt draw is 0.8 kWh per day, or $0.12. Over a 180-day season that is $10.80 to $21.60.
Stoves that run closer to around the clock cost more. At 24 hours a day, the same 50 to 100 watt draw becomes 1.2 to 2.4 kWh daily, $0.18 to $0.36 per day, and $32 to $65 across the season at $0.15–$0.22.
Two practical consequences. First, add roughly $15 to $65 to your season budget depending on runtime and local rates. Second, the EPA Burn Wise program notes that pellet stoves stop producing heat in a power outage without a battery backup or generator, unlike cordwood stoves.
How Many Tons Per Season Do You Need?
A 1,500 square foot house using a pellet stove as primary heat in a cold climate burns 2 to 3 tons per season. As supplemental heat in one zone, 1 to 1.5 tons is closer.
annual heating load in MMBTU divided by (MMBTU per ton x stove efficiency) = tons needed. A 1,500 sq ft house in a cold zone runs roughly 40 MMBTU of heating load per year.
- 40 MMBTU load divided by (16.8 x 0.80) = 2.98 tons of premium pellets
- Same load with standard pellets: 40 divided by (16 x 0.80) = 3.13 tons
- At $320 per ton, that is $954 to $1,002 for the season
Scale it by square footage and climate. A 2,500 sq ft house in the same zone runs closer to 4 to 5 tons; the same 1,500 sq ft house in a mild southern zone might burn 1 ton. Buy one ton short of your estimate, then top off in January when you know your actual burn rate.
Frequently Asked Questions
Are wood pellets cheaper than natural gas?
At national average prices, no. Pellets at $300 per ton deliver heat at $23.44 per MMBTU through an 80% stove [3], while natural gas at $12.72 per MCF delivers at $15.59 through an 80% [5][3] furnace.
The break-even ton price is around $167, which the pellet market has not seen in years. If you already have a gas line, pellets are a backup-heat or ambiance decision, not a savings decision.
Regional gas prices change this. In markets where residential gas runs well above the national average, the gap narrows fast. Check your own bill against $12.72–$23.62 before assuming the national number applies.
How many tons of wood pellets do I need for a winter?
For a 1,500 square foot home in a cold climate with the stove as primary heat, budget 2 to 3 tons. That is 100 to 150 bags.
Run the number yourself: annual heating load in MMBTU divided by (MMBTU per ton x stove efficiency). A 40 MMBTU load with premium pellets in an 80% stove [3] is 40 divided by 13.44, or 2.98 tons.
Supplemental use in one room drops this to 1 to 1.5 tons. A 2,500 square foot house on pellets alone in a cold zone can hit 4 to 5 tons.
Pellet Fuel Cost per Million BTU: How It Stacks Up Against Gas and Propane
Divide the ton price by MMBTU per ton. Standard pellets hold 16 MMBTU per ton, so $300 per ton is $18.75 per MMBTU raw. Premium holds 16.8 MMBTU per ton, so the same $300 is $17.86 raw.
Then divide by stove efficiency to get delivered cost. At 80% [3], standard is $23.44 and premium is $22.32 per MMBTU of usable heat.
Current pellet heat content sits at $16–$16.8. Use your actual ton price, not a national average, since pellet pricing is regional and freight-sensitive.
How many BTUs are in a 40-lb bag of wood pellets?
Standard pellets at 8,000 BTU per pound put 320,000 BTU in a 40-pound bag. Premium at 8,400 BTU per pound gives 336,000 BTU.
In MMBTU terms that is 0.32 to 0.336 per bag. Fifty bags equal one ton, which is where the 16 to 16.8 MMBTU per ton figures come from.
Live heat content is 8,000–8,400. Manufacturer specs on the bag are the authority for your specific brand, since mills vary by wood species and moisture.
Pellet Stove Payback Period: What Fuel Prices Make It Worth the Upfront Cost
It depends entirely on what you are replacing. Against electric resistance heat at $43.95 per MMBTU, pellets at $23.44 cut fuel cost roughly in half, and a $3,000 stove installation pays back in a few seasons on a house burning 40 MMBTU a year.
Against propane and heating oil, pellets usually win too, though the margin moves with oil markets.
Against natural gas, the fuel math does not work. Buy the stove for outage resilience, zone heating, or because you like the heat, not for a payback calculation. Add stove electricity of $15 to $65 per season and annual cleaning to whatever number you run.
How do you calculate pellet stove fuel cost per hour?
Cost per hour = pounds per hour x (ton price divided by 2,000).
Pellet stoves burn roughly 1 pound per hour on low and 4 to 5 pounds per hour on high, with 2 pounds per hour a common mid-setting average. At $320 per ton, that is $0.16 per pound-hour, so 2 pounds per hour costs $0.32 hourly.
Add electricity. A 75-watt draw at $0.15 per kWh is about $0.011 per hour, small but real over 1,500 hours of runtime. Total for the 2 pound-per-hour case: roughly $0.33 per hour.
Are wood pellets cheaper than propane?
Propane holds about 91,500 BTU per gallon, or 0.0915 MMBTU. At $2.75 per gallon that is $30.05 per MMBTU raw, and roughly $33.39 delivered through a 90% efficient [5] furnace.
Pellets at $300 per ton deliver at $23.44 through an 80% stove [3], so pellets come out about 30% cheaper for the same usable heat.
Propane prices swing more than pellet prices within a single season, especially in rural delivery markets. The pellet advantage widens in a cold winter and narrows when propane is soft.
Content Sources
- EIA -- Annual Energy Review Table 10.3: Wood Energy by Type (as of June 2026)
- EIA -- Weekly Retail Heating Fuel Prices: Propane, Heating Oil (US Average) (as of 2026-07)
- EPA Burn Wise -- Pellet Stoves (efficiency range 70-90%, typical 80%) (as of June 2026)
- EPA Burn Wise -- Wood Smoke and Your Health (as of June 2026)
- Maine DOER Heating Fuel Price Survey (as of June 2026)
- EIA -- Residential Natural Gas Price (as of June 2026)
- EIA -- Residential Electricity Price (as of June 2026)
- EPA Burn Wise -- Frequent Questions: Wood-Burning Appliances (stove efficiency 63–84%) (as of June 2026)
- USDA Forest Products Lab -- Wood Handbook Chapter 4: Moisture Relations and Physical Properties (as of June 2026)