How much do solar panels cost in Rhode Island?

In Rhode Island, solar panel installation averages about $3.1 per watt. For a typical $150 monthly electric bill, a 4.8 kW system (13 panels) costs approximately $16,120 before incentives, or $11,284 after the 30% federal tax credit.

Is solar worth it in Rhode Island?

Yes — with 4.7 peak sun hours per day and 28.3¢/kWh electricity rates, solar in Rhode Island typically pays for itself in 5.8 years. The rating is Excellent.

Solar Panel Cost & Savings in Rhode Island (2026)

Quick Rhode Island Solar Facts

4.7

Peak Sun Hours/Day

28.3¢

Electricity Rate

$3.1

Install Cost/Watt

5.8 yrs

Avg Payback

In Rhode Island, a typical 4.8 kW system (13 panels) costs approximately $11,284 after the 30% federal tax credit. With 4.7 peak sun hours per day and 28.3¢/kWh electricity rates, annual savings average $1,944 with a payback period of 5.8 years. Rating: Excellent. Source: NREL PVWatts v8 (PSH), US EIA July 2026 (rates), SEIA/EnergySage Q1 2026 (costs).

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How many solar panels do I need in Rhode Island?

For a typical home with a $150 monthly electric bill in Rhode Island, you need about 13 panels (5.2 kW system). Your exact number depends on your specific monthly usage and roof orientation.

What solar incentives are available in Rhode Island?

Every US homeowner qualifies for the 30% federal Investment Tax Credit (ITC) through 2032. Many states also offer additional incentives — check our main calculator's Incentives tab for Rhode Island-specific rebates, tax credits, and net metering policies.

Is Rhode Island a good state for solar?

Rhode Island has 4.7 peak sun hours per day (U.S. average: 4.98). With electricity at 28.3¢/kWh (U.S. average: 18.83¢/kWh), solar in Rhode Island typically pays for itself in 5.8 years. Overall rating: Excellent.