Solar Panel Cost in North Dakota (2026 Estimate)

BySunMetricLab Editorial Team·Independent solar research and calculators

Data last updated September 10, 2026 · ranks #49 of 50 states for modeled payback

North Dakota averages about 4.5 peak sun hours a day (about average for the US) with an approximate residential electricity rate near 11¢/kWh, on the lower end nationally. In the model used here, an 8 kW system in North Dakota produces roughly 10,510 kWh a year and trims about $1,200 off annual electricity costs, paying back its net cost in about 14.5 years. Longer paybacks like this are common where power is cheap or sun is limited. In North Dakota incentives carry more of the case, and shifting usage into daylight hours matters more.

Estimated system cost and payback in North Dakota

Costs assume roughly $3.00/watt installed for North Dakota; the net column applies a 30% federal credit for comparison with quotes that include it. Savings and payback use the state's sun hours and rate above.

The 30% federal Residential Clean Energy Credit ended for systems paid for after December 31, 2025 under the 2025 federal budget law. Net-after-credit figures apply only if you still qualify (for example a 2025 expenditure, or a leased system where the installer passes a credit through). Confirm with a tax professional.

What moves the numbers in North Dakota

Two inputs drive most of the difference between states: how much sun a system sees and what each offset kilowatt-hour is worth. North Dakota's 4.5 sun hours set production, and its roughly 11¢/kWh rate sets what that production saves. The bigger unknowns are your roof, shading, and how your utility compensates exported power, since a lower export rate can pull real savings below the retail-rate figure above.

Net metering and export credits in North Dakota

Net metering in North Dakota is among the least generous in the country. Public Service Commission rules require investor-owned utilities to accept generation from systems up to 100 kW, but any energy you export beyond what you use in the month is credited at the utility's avoided cost, roughly the wholesale price of power, rather than the retail rate. That means a kilowatt-hour sent to the grid is worth a fraction of the one you buy back.

The practical consequence is that sizing matters more here than elsewhere: an array built to cover daytime loads with little surplus pays back better than an oversized one. Cooperatives, which serve much of the rural state, are not bound by the PSC rule and set their own terms, and several offer a similar avoided-cost buyback. Verify the exact crediting method in your utility's tariff before choosing a system size.

North Dakota solar incentives beyond the federal credit

No North Dakota income tax credit is available for residential solar; the state's former credit, which spread 15% of cost across five years, expired for systems installed after 2014. What remains is a property tax exemption: solar, wind and geothermal equipment on a home is exempt from local property tax for five years following installation, so a new array does not raise your assessment during that window.

There is no state sales tax exemption for solar equipment and no state rebate program as of 2026. The federal 30% credit therefore carries almost the entire incentive load, and it is worth checking whether your cooperative offers any rebate through its wholesale supplier before assuming none exists.

Utilities and rate plans in North Dakota

Xcel Energy serves Fargo, Grand Forks and Minot, Montana-Dakota Utilities covers Bismarck, Dickinson and the western oil patch, and Otter Tail Power serves Jamestown, Devils Lake and much of the eastern countryside. Electric cooperatives such as Cass County Electric, Capital Electric and Verendrye serve the rest, with wholesale power largely from Basin Electric and Minnkota. Residential rates in North Dakota are among the lowest in the nation, which is the biggest drag on solar payback; low rates plus avoided-cost export credits mean savings depend almost entirely on displacing your own daytime consumption. Long summer days offset the northern latitude somewhat, and a steeper snow-shedding tilt is worth discussing with an installer.