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Rhode Island Solar Cost Calculator

Estimate the cost and payback of a residential solar system in Rhode Island. Adjust system size, installed price, value captured and verified incentives using transparent 2026 planning data.

Federal residential solar credit in 2026: $0. CalcuRiver does not subtract the expired 30% Section 25D credit from this estimate. Add only local or utility incentives you have independently verified.
State planning yield1,291 kWh/kW
Installed-cost benchmark$2.78/W
Federal credit assumed0%
Electricity rateloading…
2026 state snapshot

What changes in Rhode Island

Rhode Island's residential electricity rate is 54.5% above the U.S. average. Combined with a planning yield of 1,291 kWh/kW-year and a $3/W installed-cost benchmark, the same 8 kW system produces a different state-level cost and value profile.

View Rhode Island electricity rates →
Residential electricity rate28.29¢/kWh54.5% above U.S. average
8 kW annual production10,328 kWh1,291 kWh/kW planning yield
8 kW gross benchmark cost$22,240$3/W planning benchmark
Annual value at full retail$2,922$243/month equivalent
Simple payback at full retail7.6 yearsBefore financing and unverified incentives
Existing city pages2Current CalcuRiver city coverage

This 8 kW snapshot is a comparison scenario, not a quote. It uses CalcuRiver's state planning yield, installed-cost benchmark and EIA 2026-07 residential rate. Actual roof production, export compensation, taxes, financing and local incentives can materially change the result.

state solar model

Build your Rhode Island scenario

Start with state planning benchmarks, then replace them with your actual quote or site-specific inputs.

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The state planning benchmark is not a statewide average and does not replace a roof-specific production model or utility export analysis.

Solar by utility

Utility-specific solar rate context and compensation modeling boundaries.

UTILITYRhode Island Energysolar rate context · export guarded
city coverage

Solar cost by city in Rhode Island

Open a city page for a location-specific production benchmark and local planning inputs.

ProvidenceCity solar estimate →WarwickCity solar estimate →

How this Rhode Island estimate works

  • Annual production = system size × 1,291 kWh/kW planning benchmark.
  • Retail-value ceiling = annual production × current Rhode Island residential electricity price.
  • The value-capture control lets you haircut that ceiling for self-consumption/export economics.
  • Simple payback = entered net installed cost ÷ modeled annual electricity value.

Source boundaries

1,291 kWh/kW-year planning benchmark for Rhode Island; a planning input, not a statewide average or site-specific roof forecast. Roof orientation, shading, equipment, local weather and utility export compensation can materially change the result.

Production methodologyCost benchmarkDetailed solar calculator
2026 state snapshot

How Rhode Island differs

Residential electricity28.29¢/kWh
8 kW annual production10,328 kWh
8 kW benchmark gross cost$22,240
Simple retail-value payback7.6 years

Rhode Island's July 2026 residential electricity benchmark is 54.5% above the U.S. average. Production and cost are planning benchmarks; utility export rules can change realized savings.

Rate source: EIA Electric Power Monthly Table 5.6.A · 2026-07 preliminary.

methodology & sources

Rhode Island solar methodology

Production basis

1,291 kWh/kW-year planning benchmark for Rhode Island; a planning input, not a statewide average or site-specific roof forecast.

Installed-cost basis

2.78 $/W planning benchmark; this is not an installer quote.

Electricity benchmark

28.29¢/kWh residential state benchmark for 2026-07 (preliminary).

Utility treatment

State pages show a planning-level retail-value benchmark. Utility export compensation can materially change realized savings.

Methodology: Solar utility model · CalcuRiver methodology.

why this estimate changes

Why this solar estimate changes

Solar value is driven by local production, installed cost, the retail value of electricity you avoid buying, and the compensation you receive for exported energy. CalcuRiver does not assume export credits equal the retail rate unless that utility program is explicitly verified.

Core logic: self-used solar offsets retail purchases; exported solar is valued only under a verified export-compensation rule.

Methodology & source policy

Continue this cost analysis

Use the same state context to connect solar production with grid prices, storage and EV charging.

Rhode Island electricity ratesSee the grid-price benchmark used to value solar production.Rhode Island home battery economicsEstimate storage value and self-consumption in the same state.EV charging in Rhode IslandSee how the same electricity market affects vehicle charging.