Solar Calc

Solar Panel Cost in Detroit, MI (2026 Estimate)

ByIndependent solar research and calculators

Data last updated

Detroit averages about 4.0 peak sun hours a day (below the national average, matching the Michigan statewide average), and pairs with Michigan's approximate residential rate near 18ยข/kWh. In the model used here, an 8 kW system produces roughly 9,340 kWh a year and trims about $1,700 off annual electricity costs, paying back its net cost in about 10.0 years . Local shading, roof, and your utility's export terms move the real figure.

Estimated system cost and payback in Detroit

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

Modeled solar cost, production, savings and payback in Detroit by system size
System size Gross cost Net after 30% credit Yearly production Yearly savings Payback
6 kW $18,000 $12,600 7,010 kWh $1,300 10.0 yrs
8 kW $24,000 $16,800 9,340 kWh $1,700 10.0 yrs
10 kW $30,000 $21,000 11,680 kWh $2,100 10.0 yrs

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.

Net metering and utilities around Detroit

Traditional net metering ended in Michigan after the 2016 energy laws, and new customers at DTE Energy and Consumers Energy enroll in a "distributed generation" program instead. The tariff separates inflow from outflow: power you draw from the grid is billed at the full retail rate, while power you send out is credited only at the power-supply component of the rate, which leaves out most distribution charges. In practice an exported kilowatt-hour is worth somewhere around half to two-thirds of an imported one, and the exact figure depends on your rate schedule, so ask your utility for the current outflow credit.

DTE Energy serves southeast Michigan including Detroit, Consumers Energy covers most of the rest of the Lower Peninsula, and smaller providers such as Indiana Michigan Power, Upper Peninsula Power, the Lansing Board of Water and Light, and co-ops like Cherryland and Great Lakes Energy fill in the remainder. Both DTE and Consumers moved residential customers onto default time-of-use pricing, with summer afternoon and evening peaks priced well above overnight rates. A south- or west-facing array offsets those expensive hours directly, and the same peak-to-off-peak gap is what makes a battery attractive here.

For the full state picture, including incentives, property and sales tax treatment and the complete net metering notes, see the Michigan solar cost page.

Sources and methodology

Every figure on this page is computed from two published inputs (average peak sun hours and the state's average residential electricity rate) plus the documented assumptions on the methodology page. It is a transparent model, not a survey of installer quotes. Inputs last reviewed .