North Dakota Solar in 2026: The Honest Picture

North Dakota’s solar market is modest but growing. The state’s northern latitude and variable cloud cover mean lower solar irradiance (4.2 kWh/m2/day) compared to the Southwest, but two state-level incentives, property tax exemption and sales tax exemption on equipment, help offset the longer payback period. In 2026, the loss of the federal Residential Clean Energy Credit (Section 25D) is a significant change for homeowners considering owned systems. The only federal option remaining is a third-party lease or PPA, and only if construction begins before July 4, 2026.

Despite these headwinds, solar remains viable in North Dakota for homeowners with good roof exposure, moderate to high electricity bills, and a long-term outlook. The state’s utilities vary in their support: Xcel Energy and MDU Resources offer net metering or bill credits in some service areas, and both have rebate programs. This guide covers real costs, available incentives, and what to expect when you go solar in North Dakota.

Average Solar System Cost in North Dakota (2026)

A typical 6 kW residential solar system in North Dakota costs between $24,000 and $29,000 before incentives. This translates to roughly $4.00 to $4.85 per watt, in line with national averages for 2026.

Cost breakdown for a 6 kW system:

  • Equipment (panels, inverter, racking, wiring): $12,000 to $14,000
  • Labor and installation: $8,000 to $10,000
  • Permits, interconnection, and soft costs: $4,000 to $5,000

After applying North Dakota’s 5% sales tax exemption on panels and inverters, you save roughly $600 to $700. The property tax exemption does not reduce the upfront cost but protects your home’s assessed value from increasing due to the solar installation, which saves money on property taxes over the system’s life.

For current pricing in your area, consult the EnergySage cost benchmarks and get quotes from at least three local installers.

Real North Dakota Homeowner Savings (Sample Scenarios)

Savings depend heavily on your utility, current electricity rates, and system size. Here are four realistic scenarios based on 2026 utility rates and incentives:

Bismarck (Xcel Energy service area): A homeowner with a 6 kW system, $140/month electricity bill, and 25-year system life can expect roughly $24,000 in lifetime savings. The higher solar irradiance in western North Dakota (4.3 kWh/m2/day) and Xcel’s net metering help. Payback period: 10 to 11 years.

Fargo (Xcel Energy service area): A homeowner with a 5 kW system, $120/month electricity bill, and 25-year life expects approximately $18,000 in lifetime savings. Fargo’s slightly lower irradiance (4.0 kWh/m2/day) and shorter winter days extend payback to 11 to 12 years.

Grand Forks (MDU Resources service area): A homeowner with a 6 kW system, $130/month electricity bill, and 25-year life can expect roughly $20,000 in lifetime savings. MDU’s net metering terms vary by service territory, so confirm your specific credits. Payback period: 11 to 12 years.

Williston (MDU Resources service area): A homeowner with a 7 kW system, $160/month electricity bill (higher due to oil heating backup), and 25-year life expects approximately $26,000 in lifetime savings. Williston’s western location and higher irradiance (4.4 kWh/m2/day) improve returns. Payback period: 10 to 11 years.

These estimates assume no major system failures, stable electricity rates, and consistent incentive availability. Actual savings vary based on roof orientation, shading, and utility rate changes.

North Dakota Solar Incentives Still Available in 2026

Property Tax Exemption

North Dakota exempts the added home value from a solar installation from property tax assessment. If your solar system increases your home’s value by $25,000, that $25,000 is not subject to property tax. Over 25 years, this exemption can save $5,000 to $8,000 depending on your local property tax rate. This is one of the strongest incentives in the state and applies to all residential systems.

Sales Tax Exemption on Solar Equipment

North Dakota waives the 5% state sales tax on solar panels, inverters, and related equipment. For a $15,000 equipment purchase, this saves roughly $750. Some local jurisdictions may impose additional sales taxes, so confirm with your installer.

Net Metering and Utility Credits

North Dakota has no statewide net metering mandate, but major utilities offer credits for excess generation:

  • Xcel Energy (serving Bismarck, Fargo, and other areas): Offers net metering in most service territories. Excess generation is credited at the retail electricity rate, rolling over month to month. Annual true-up occurs in November.
  • MDU Resources (Montana-Dakota Utilities, serving Grand Forks, Williston, and other areas): Offers net metering in select service areas. Terms vary; contact MDU directly for your specific territory.

Net metering is critical to solar economics in North Dakota. Without it, excess daytime generation is either lost or credited at a much lower wholesale rate. Confirm your utility’s net metering policy before signing a contract.

Xcel Energy Solar Rebate

Xcel Energy offers a rebate of up to $500 per kW for residential solar systems in select service areas (primarily Minnesota and parts of North Dakota). Eligibility varies by location. Check with Xcel or your installer to see if your address qualifies. This rebate reduces upfront costs and improves payback.

MDU Resources Solar Incentive

MDU Resources provides solar incentives in some service territories, but amounts and eligibility vary. Contact MDU directly or ask your installer for current details.

Federal Tax Credit (Limited in 2026)

The Residential Clean Energy Credit (Section 25D) expired for systems placed in service after December 31, 2025. Homeowners who installed systems in 2025 or earlier may still claim the credit; consult the IRS Section 25D guidance for details on your system’s eligibility date.

The only federal incentive available in 2026 is a third-party-owned lease or power purchase agreement (PPA) under Section 48E. If you lease or buy power from a solar company rather than owning the system outright, the solar company can claim the investment tax credit and pass savings to you through lower lease payments. However, the contractor must begin construction before July 4, 2026. Leases typically offer lower upfront costs but smaller long-term savings than ownership.

For the most current incentive information, consult the DSIRE database.

Is Solar Worth It in North Dakota Without the Federal Credit?

Without the federal tax credit, solar payback in North Dakota stretches to 10 to 12 years for most homeowners. This is longer than in sunnier states but still reasonable given the 25 to 30-year lifespan of modern panels.

Solar makes sense if:

  • Your electricity bill is $120 or higher per month.
  • Your roof has good south or southwest exposure with minimal shading.
  • You plan to stay in your home for at least 10 years.
  • You value long-term energy independence and stable electricity costs.
  • You can take advantage of the property tax and sales tax exemptions.

Solar is less attractive if:

  • Your electricity bill is under $100 per month.
  • Your roof is heavily shaded or faces north.
  • You plan to move within 8 years.
  • Your utility does not offer net metering or bill credits.

The loss of the federal credit in 2026 makes the state and utility incentives more important. North Dakota’s property tax exemption and sales tax exemption together reduce the effective cost by roughly 8 to 10%, which partially offsets the missing federal benefit. A third-party lease may be worth exploring if upfront cost is a barrier, though long-term savings will be lower.

Top Cities for Solar in North Dakota

  • Bismarck: State capital with strong solar irradiance (4.3 kWh/m2/day), Xcel Energy net metering, and a growing installer base. Good for homeowners with moderate to high electricity bills.
  • Fargo: Largest city in the state, served by Xcel Energy. Slightly lower irradiance (4.0 kWh/m2/day) but strong net metering support and competitive installer pricing.
  • Grand Forks: Home to the University of North Dakota, served by MDU Resources. Moderate solar resource and growing interest in renewable energy.
  • Williston: Oil and gas hub in western North Dakota with higher irradiance (4.4 kWh/m2/day) and strong electricity demand. Good payback for larger systems.
  • Minot: Served by MDU Resources with moderate solar potential. Growing installer availability.
  • Dickinson: Western North Dakota city with good solar irradiance and lower population density, making it attractive for rural homeowners.

What to Look for in a North Dakota Solar Installer

  1. North Dakota License and Insurance: Verify the installer holds a valid North Dakota electrical contractor license and carries general liability and workers’ compensation insurance.

  2. Net Metering and Utility Knowledge: The installer should understand your specific utility’s net metering terms, interconnection process, and any rebate programs. Ask how they handle Xcel Energy vs. MDU Resources systems differently.

  3. Experience with Cold Climate Installation: North Dakota winters are harsh. Choose an installer experienced in snow load calculations, roof penetration sealing, and cold-weather electrical work.

  4. Transparent Pricing and Incentive Handling: The installer should provide a detailed cost breakdown and clearly explain how the property tax exemption and sales tax exemption apply. They should also confirm whether you qualify for any utility rebates.

  5. Warranty and Service Plan: Ensure the installer offers at least a 10-year workmanship warranty and a clear service plan for snow removal, inverter replacement, and monitoring system support.

  6. References and Reviews: Ask for at least three local references and check online reviews on Google, the Better Business Bureau, and EnergySage. Look for feedback on customer service and long-term system performance.

  7. Interconnection Support: The installer should handle all paperwork and communication with your utility for system interconnection. Confirm they understand North Dakota’s interconnection rules and timelines.

Get Free Quotes From Vetted North Dakota Installers

Solar costs and incentives change frequently. To find current pricing and confirm your eligibility for state and utility incentives, get free quotes from at least three North Dakota installers. Compare equipment, warranties, financing options, and how each installer handles the property tax exemption and net metering.

Use the SEIA state market data and NREL solar resource maps to understand your local solar potential, then contact installers in your area. Many offer free site assessments and custom quotes with no obligation.

Sources for 2026 data: IRS (Section 25D and Section 48E guidance), DSIRE (state and utility incentive database), North Dakota Public Service Commission, Xcel Energy, MDU Resources, SEIA (state market data), NREL (solar resource maps), EnergySage (cost benchmarks).