Solar in North Dakota costs about $3.83 per watt, the highest in the country, so the typical 8.46 kW system runs about $32,400 before incentives. With power at 11.64¢ and exports credited at 2 to 5¢, whether it pays back inside the 25-year panel warranty depends mostly on how fast your utility’s rates rise.
Find out which North Dakota rules apply to your roof
Xcel, Otter Tail, MDU or a co-op: your utility decides what your exports are worth. Your ZIP code shows local prices and installers.
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0%, 3%, 5% or 7%: the rate growth that decides a North Dakota payback
A purchased 10 kW system at $32,900 offsets about $1,200 to $1,400 of power a year at 11.64¢ per kWh. With flat rates, that is roughly 20 to 25 years to break even, beyond the typical 25-year panel warranty for many homes. The pace of rate increases is what changes the picture.
What each row meansFlat rates: no payback inside the panel warranty for most homes. 3% a year: break-even near the end of the warranty. 5% a year: a positive return in the second decade. 7% a year: a reasonable payback, if that trend holds.
Price your own quote into thisThese years were modeled at $32,900 for 10 kW. At the Index price of $3.83 per watt, the same 10 kW system costs about $38,300, so a quote at that level pays back more slowly than the table shows. For more scenarios, see whether solar panels are worth it in North Dakota.
Retail for what you use, 2 to 5¢ for what you export: North Dakota net billing
Under N.D. Admin. Code 69-09-07, systems of 100 kW or less are entitled to net energy billing at all three investor-owned utilities: Xcel Energy, Otter Tail Power and Montana-Dakota Utilities. Excess generation is credited at avoided cost, not the retail rate.
Power you use at home
The statewide average retail rate. Each kWh your home uses as it is made replaces one you would buy.
Power you send to the grid
Avoided cost at the investor-owned utilities. A kWh you use yourself is worth at least twice one you export.
Co-ops and city utilities write their own rulesCo-ops and municipal utilities are exempt from the state rule and may pay nothing at all for exports. A member of Cass County Electric Cooperative, which sets its own rate and net-billing policy, faces different math than an Xcel customer. Get your utility’s policy in writing before you ask for quotes.
Daytime use drives the savingsIf your house is empty while the panels peak, a large share of your output goes to the grid at 2 to 5¢. On Xcel or MDU, the economics erode quickly.
The top price per watt in the country: North Dakota systems from 6 kW to 12 kW
At $3.83 per watt, a 6 kW system runs about $22,980 and a 12 kW system about $45,960 before incentives. To see how that compares with every other state, browse our national cost of solar overview.
Solar only, before incentives, at the EcoGen Index price of $3.83 per watt. A 13.5 kWh battery adds about $13,500, at $998 per usable kWh installed (battery pricing). Real quotes vary by roof type, equipment brand and installer.
Why North Dakota systems run largeThe state averages about 4.5 peak sun hours a day (NREL PVWatts), decent for the northern Plains, and Fargo sees closer to 5.67. Homes use about 1,029 kWh a month (EIA), above the national norm, so most need a larger system to reach full offset.
Last in installs, 40 pounds of snow: what lifts a North Dakota price
North Dakota sits $0.93 per watt, or 32%, above the national price. Four forces specific to the state push it there.
+What pushes North Dakota prices up
- The smallest installer marketSEIA ranks North Dakota last in cumulative residential solar. Fewer installers means less price competition, longer lead times and more travel for crews.
- Cold-climate engineeringGround snow loads run about 40 pounds per square foot in Fargo and Bismarck, with design wind speeds of 105 to 115 mph. Steeper tilt, reinforced attachments and uplift-rated mounts are code here, not upgrades.
- High soft costsPermitting varies by town, with no statewide fast-track standard and no SolarAPP+ anywhere. A Fargo installer handles a handful of permits a year, not hundreds.
- Older 100-amp panelsMany homes need a panel upgrade before a system can connect. It rarely shows in a headline per-watt quote.
$1,500 to $4,000
−What works for a North Dakota roof
- Cold panels work betterOutput improves about 0.3 to 0.4% for each degree Celsius below 25°C.
- Stronger sun in FargoAbout 5.67 peak sun hours a day, against 4.5 statewide.
- Steep tilt sheds snowLow-tilt systems can lose 5 to 10% of yearly output to snow. Steeper panels clear faster.
Keep the battery warmBatteries lose usable capacity below 0°C. Install one in a heated or conditioned space.
No state credit, no rebate, one five-year tax break in North Dakota
The 30% federal credit is gone for systems you ownThe One Big Beautiful Bill Act, signed July 4, 2025, ended the Section 25D credit for any system completed after December 31, 2025. Buying with cash or a loan in 2026 means no federal credit to claim.
North Dakota has never offered a state solar tax credit. There is no state rebate, and no utility rebate from Xcel Energy, Otter Tail Power, Montana-Dakota Utilities or the major rural co-ops.
Under NDCC 57-02-08(27), the value solar adds to your home is exempt from local property tax for five years. On a $32,000 system that saves about $500 to $1,200 over the term, by county mill levy. File with your assessor by February 1 each year, or lose that year’s exemption.
NDCC 57-02-08With no renewable portfolio standard, RECs trade only on the voluntary market, at $10 to $25 per MWh. A 10 kW system making about 12,600 kWh a year might earn this. A small upside, not a driver.
NDCC 47-05-01.1 lets you record a binding easement with a neighbor to protect your sun. No direct money, but useful if new building nearby could shade you.
NDCC 47-05For every active program and how to claim it, see our guide to every active solar incentive in North Dakota.
Cash, a loan, or one of the few North Dakota leases
Without the federal credit, financing options have narrowed.
Pay cash
You own the system
Upfront
The full price: about $32,400 for the typical 8.46 kW.
Monthly
Nothing. You keep all bill savings and pay no interest.
Credits
No federal credit in 2026. The 5-year property tax exemption still applies.
Watch out for
Payback takes 15 to 25 years, depending on rate growth.
The best long-term return, if you stay in the home that long.
Solar loan
You own the system
Upfront
Financed through national lenders and some regional banks.
Monthly
Higher than pre-2026 projections, with no 25D lump sum to pay down in year one.
Credits
No federal credit in 2026. The 5-year property tax exemption still applies.
Watch out for
The average bill is about $118 a month (EIA), a hard bar for a payment to beat.
Only if the payment is truly lower than your current bill.
Lease or PPA
The provider owns the system
Upfront
You buy no system and build no equity in it.
Monthly
A lease payment or a price per kWh, for 20 to 25 years.
Credits
The provider claims the 30% Section 48E credit, active through 2027, and passes some of it on.
Watch out for
Very few national providers serve North Dakota.
The only indirect route to a federal credit in 2026.
Read this before a zero-down pitchSee how zero-down solar arrangements work in North Dakota and what to watch for in each contract type.
Five North Dakota homes where 25 years of savings can come to zero
North Dakota is one of the few states where 25-year net savings can credibly include zero. That does not rule solar out. It means being specific about who it works for. Think twice if one of these is you:
- Your monthly bill is under $100. The system is small, the yearly savings are narrow, and payback stretches past any reasonable time in the home.
- You plan to move within 10 years. Rooftop solar is uncommon here, so the resale premium is uncertain and unlikely to recover much of the system cost.
- You export most of what you make. On Xcel or MDU, with nobody home in daylight, a large share of output earns only 2 to 5¢.
- Your roof is over 15 years old or has structural concerns. A new roof first adds $10,000 to $20,000. With a 40 psf snow load, a structural check is not a formality.
- Your co-op or city utility pays nothing for exports. They are exempt from the state net billing rule. Confirm the policy in writing before you ask for quotes.
Snow-load math, utility hookups, a February deadline: what to ask a North Dakota installer
The thin installer market makes vetting matter more here than in states with dozens of competing providers.
- Can you provide snow-load and wind-load engineering documentation specific to my county? The 40 psf snow load and 105 to 115 mph wind speed are structural minimums. No site calculations, no install.
- How do you handle interconnection with my specific utility? Xcel, Otter Tail, MDU and the co-ops each differ. Ask for completed North Dakota hookups on your utility.
- Are you familiar with the property tax exemption filing? The February 1 deadline with your county assessor is easy to miss if the installer does not flag it.
- Who backs the warranty, and will they be operating in 15 years? Ask how many years the installer has worked in North Dakota and how many local systems it services now.
For more on choosing a provider, see which solar companies operate in North Dakota right now.
See how rising rates change your North Dakota solar math
Xcel’s rate settlement locks in higher rates, and Otter Tail’s riders adjust every year. Enter your ZIP code to compare a system’s cost with staying on the grid.
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Next steps on North Dakota solar
Frequently asked questions
How Much Do Solar Panels Cost in North Dakota?
Residential solar in North Dakota costs about $3.83 per watt installed. The typical 8.46 kW system runs about $32,400 before incentives, and a 10 kW system about $38,300. Adding a 13.5 kWh battery to the 10 kW system brings the total to about $51,800.
Is There a State Solar Tax Credit in North Dakota?
No. North Dakota has never had a state solar tax credit. The only state-level financial benefit is a five-year property tax exemption on the assessed value solar adds to your home, worth roughly $500 to $1,200 over the full term depending on your county’s mill levy.
Does Net Metering Still Work in North Dakota?
Partially. The state’s net energy billing rule (N.D. Admin. Code 69-09-07) applies only to investor-owned utilities and credits excess generation at avoided cost, not the retail rate. Systems of 100 kW or less are entitled to net energy billing at all three, Xcel, Otter Tail and MDU. Co-ops and municipal utilities are exempt from the rule and set their own policies.
Can You Lease Solar Panels in North Dakota?
Leases and PPAs are legal in North Dakota. They are the only way to indirectly benefit from the remaining federal commercial tax credit (Section 48E, 30%, active through 2027). The practical challenge: very few national lease providers serve North Dakota because of low electricity rates and minimal solar adoption.
What Is the Payback Period for Solar in North Dakota?
At current rates (11.64 cents per kWh statewide average), payback for a purchased 10 kW system runs 20 to 25 years with no rate escalation. With 3% annual rate increases, payback compresses to 17 to 21 years. At 5% annual increases, 14 to 18 years. Utility territory, self-consumption ratio, and the pace of future rate increases all move the number.
Do Solar Panels Work in North Dakota Winters?
Yes. Cold temperatures improve panel efficiency by about 0.3 to 0.4% per degree Celsius below the standard test condition of 25°C. The main winter issue is snow coverage: panels at steeper tilt angles shed snow faster, and a 5 to 10% annual production loss from snow is realistic for low-tilt installations. Batteries lose usable capacity below 0°C and should be installed in a heated or conditioned space.
Why Is Solar More Expensive in North Dakota Than Other States?
Three compounding factors: the thinnest installer market in the country (SEIA ranks ND last in cumulative deployment), cold-climate engineering requirements (40 psf snow load, 105 to 115 mph design wind speed), and low installation volume that keeps permitting and soft costs elevated. The result is per-watt pricing about 32% above the $2.90 national average.
How we calculate these costs
Cost figures use North Dakota’s entry in the EcoGen Solar Cost Index (v2 method), a standardized installed price per watt blended from current marketplace data and benchmarked against the national modeled cost. Payback and 25-year figures use the EcoGen Solar Payback Methodology at 4% yearly rate escalation and 0.5% panel degradation over 25 years; the rate-growth table shows 0% to 7% scenarios. System size, average system cost and the average monthly bill come from the State Profile, built from EIA consumption data, the NREL production factor and the state residential rate. Real quotes vary by roof, equipment and installer.
Sources (20)
- U.S. Energy Information Administration, Residential Electricity Price Data
- North Dakota Monitor, “North Dakota Approves Xcel Electricity Rate Increase,” Feb. 2026
- Choose Energy, Electricity Rates by State
- EIA, Average Retail Price of Electricity, Table 5A: eia.gov
- NREL, PVWatts Calculator: pvwatts.nlr.gov
- North Dakota Administrative Code, Chapter 69-09-07, Small Power Production
- NDCC 57-02-08(27), Property Tax Exemption for Solar, Wind, or Geothermal Devices: codes.findlaw.com
- North Dakota Tax Commissioner, Solar/Wind/Geothermal Device Property Tax Exemption: tax.nd.gov
- Congressional Research Service, Report IN12611, Section 25D Amendment: congress.gov
- Marketplace quote series (a national residential solar quote marketplace), North Dakota solar panel cost data
- Modeled price series (a national solar review site, modeled from the federal cost benchmark), North Dakota solar panel cost
- ConsumerAffairs, Solar Companies in North Dakota
- Otter Tail Power, North Dakota Residential Rate Summary
- Cass County Electric Cooperative, Rate Information
- National solar quote marketplace, Tesla Powerwall 3 battery review
- International Code Council / UpCodes, North Dakota IBC 2018, Chapter 16: up.codes
- Solar.com, Section 48E and the Federal Solar Tax Credit: solar.com
- NDCC 47-05-01.1, Solar Easement Statute: ndlegis.gov
- SEIA, North Dakota Solar Fact Sheet: seia.org
- Wolf River Electric, Solar Installation in North Dakota: wolfriverelectric.com
