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Your complete resource hub for solar, heat pumps, and energy savings in Rhode Island. Clean Heat RI covers up to 60% of heat pump costs (or 100% for income-eligible households). The REG program pays $0.27/kWh for 15-20 years — the best solar incentive in New England. Every guide updated for 2026.
2026 Update: The federal 25D solar tax credit and 25C heat pump tax credit expired December 31, 2025. Clean Heat RI (60% / $11,500) and state incentives (REG, REF, net metering) are now the primary savings drivers. ARPA funding deadline: December 31, 2026.
Everything Rhode Island homeowners need to know about heat pumps in 2026 — Clean Heat RI rebates, costs, coastal climate performance, oil and propane conversion analysis, and how to choose the right installer.
60% of cost (max $11,500). Income-eligible 100% (max $18,000). ARPA funding deadline Dec 31, 2026 — apply before funds run out.
Read guideTotal cost breakdown: ductless, ducted, hybrid. Net cost after Clean Heat RI + RI Energy rebates.
Read guidePerformance data in RI coastal climate (design temp 9°F). How modern heat pumps handle Narragansett Bay winters.
Read guide29% of RI homes heat with oil at $3.45/gal. Full conversion walkthrough and savings analysis.
Read guidePropane at $3.58/gal vs heat pump at $0.28/kWh. Side-by-side annual cost comparison.
Read guideClean Heat RI contractor requirements, Home Energy Assessment steps, and 10-point checklist.
Read guide150% SMI thresholds by household size. Income-eligible tier covers 100% of cost up to $18,000.
Read guideEliminate both your electric AND heating bills. Stack Clean Heat RI + REG + REF for maximum savings.
Read guideRhode Island solar guides for 2026 — costs, REG program, REF rebate, net metering guaranteed through 2039, and everything you need for a smart solar investment without the federal tax credit.
Every Rhode Island solar incentive for 2026: REG, REF, net metering, tax exemptions, and how to stack them without the federal ITC.
Read guideEverything about solar in Rhode Island: costs, incentives, payback, and why RI has the best incentive stack in New England.
Read guide$2.91–$3.19/W average. City-specific pricing, payback periods, and utility territory details.
Read guideITC expired Dec 2025. Why RI solar still pays back in 8–10 years with REG + REF + net metering.
Read guide80% retail credit (post-April 2023), 1:1 grandfathered, 125% annual cap. How credits work on your bill.
Read guide$0.27/kWh guaranteed for 15–20 years. April 1 annual open enrollment. The most valuable solar incentive in New England.
Read guideCurrent enrollment status, capacity remaining, rate schedules, and next open window.
Read guide$0.65/W capped at $5,000 + $2,000 battery adder via Commerce RI. Application process and timeline.
Read guideInteractive calculator: compare 25-year returns of REG ($0.27/kWh) vs net metering, with REF stacking.
Read guideSide-by-side comparison of financing options. 25-year NPV analysis for each path in Rhode Island.
Read guide7% sales tax exempt (equipment + labor + batteries). 20-year property tax exemption explained.
Read guideNo rooftop needed. Subscribe to a local solar farm and save on your electric bill. How RI community solar works.
Read guideSection 48 ITC (up to 70%), MACRS, REG commercial rates. For businesses and nonprofits.
Read guideHow tariffs affect panel pricing, which manufacturers are FEOC-compliant, and what it means for your RI quote.
Read guideThird-party ownership explained. How Section 48 ITC flows to you. Lease vs PPA vs loan comparison.
Read guideThe commercial ITC is still alive. How third-party ownership lets you access it through leases and PPAs.
Read guideClean Heat RI income-eligible tier, low-income REG adders, and community solar discounts.
Read guideRI Energy rates hit $0.29/kWh — among the highest in the US. Rate history, PPL impact, and solar savings analysis.
Read guideStorage, electric vehicle charging, and electrification bundles for Rhode Island homeowners.
Earn $225/kW/year summer demand response from your battery. Qualifying batteries, enrollment, and revenue projections.
Read guideSection 30C EV credit (expires June 2026), Level 2 charger options, and how solar offsets your driving costs.
Read guideDeep dives into specific RI Energy (formerly National Grid) programs — home energy assessments, insulation rebates, heat pump water heaters, and the complete efficiency program overview.
Complete guide to RI Energy (formerly National Grid) efficiency programs, rebates, and home energy services.
Read guideWhat they check, free installs (LEDs, thermostats, weatherstripping), and what happens after the assessment.
Read guideAttic, wall, and basement insulation rebates through RI Energy. Income-eligible tiers and application process.
Read guideRI Energy rebate for heat pump water heaters. Qualifying models, installation requirements, and savings vs tank.
Read guideTrack Rhode Island electricity rates, see which utilities are rising fastest, and discover how solar locks in your cost.
Solar economics vary by location, permitting, and local incentives. Find your city for exact pricing, payback period, and utility-specific details.
$0.29/kWh avg • State capital, largest city
View solar costs$0.29/kWh avg • Third-largest city
View solar costs$0.29/kWh avg • Second-largest city
View solar costs$0.29/kWh avg • Blackstone Valley, historic mills
View solar costs$0.29/kWh avg • Waterfront, fast permits
View solar costs$0.29/kWh avg • Most dense city in RI
View solar costs$0.29/kWh avg • Historic waterfront, East Bay
View solar costs$0.29/kWh avg • Affluent East Bay suburb
View solar costs$0.29/kWh avg • Historic waterfront village
View solar costs$0.29/kWh avg • East Bay, large lots
View solar costs$0.29/kWh avg • URI campus, South County
View solar costs$0.29/kWh avg • Beach town, coastal exposure
View solar costs$0.29/kWh avg • Watch Hill, coastal zone
View solar costs$0.29/kWh avg • Rural coastal, large lots
View solar costs$0.29/kWh avg • Coastal, historic district
View solar costs$0.29/kWh avg • Aquidneck Island suburb
View solar costs$0.29/kWh avg • North Aquidneck, large lots
View solar costs$0.29/kWh avg • Blackstone Valley mill city
View solar costs$0.29/kWh avg • Fast permits, near MA border
View solar costs$0.29/kWh avg • Suburban, fast permits
View solar costs$0.29/kWh avg • Rural, ground-mount friendly
View solar costs$0.29/kWh avg • Bryant University area
View solar costs$0.29/kWh avg • Affordable housing stock
View solar costs$0.29/kWh avg • Largest RI town by area
View solar costs$0.29/kWh avg • Affluent, historic Main St
View solar costs$0.35/kWh avg • Island, $0.35/kWh rate
View solar costsHow long does solar actually take in your town? We track permit approval times, interconnection timelines, fees, coastal zone requirements, and historic district considerations for 27 Rhode Island towns.
27
Towns Tracked
9 days
Avg Permit Time
15
Coastal Zone
24
Online Permits
| Town | Permit | Total |
|---|---|---|
| CumberlandRhode Island Energy | 7d | 4-9 wks |
| LincolnRhode Island Energy | 7d | 4-9 wks |
| North SmithfieldRhode Island Energy | 7d | 4-9 wks |
| SmithfieldRhode Island Energy | 7d | 4-9 wks |
| CoventryRhode Island Energy | 7d | 4-9 wks |
| CranstonRhode Island Energy | 8d | 6-11 wks |
| WarwickRhode Island Energy | 8d | 6-11 wks |
| East ProvidenceRhode Island Energy | 8d | 5-10 wks |
| BarringtonRhode Island Energy | 8d | 5-10 wks |
| TivertonRhode Island Energy | 8d | 5-10 wks |
| South KingstownRhode Island Energy | 8d | 5-10 wks |
| CharlestownRhode Island Energy | 8d | 5-10 wks |
| MiddletownRhode Island Energy | 8d | 5-10 wks |
| PortsmouthRhode Island Energy | 8d | 5-10 wks |
| West WarwickRhode Island Energy | 8d | 5-10 wks |
| HarborviewRhode Island Energy | 8d | 5-10 wks |
| PawtucketRhode Island Energy | 10d | 6-12 wks |
| Central FallsRhode Island Energy | 10d | 6-12 wks |
| BristolRhode Island Energy | 10d | 6-12 wks |
| WarrenRhode Island Energy | 10d | 6-11 wks |
| NarragansettRhode Island Energy | 10d | 6-12 wks |
| WesterlyRhode Island Energy | 10d | 6-12 wks |
| WoonsocketRhode Island Energy | 10d | 6-12 wks |
| East GreenwichRhode Island Energy | 10d | 6-12 wks |
| ProvidenceRhode Island Energy | 12d | 7-13 wks |
| NewportRhode Island Energy | 12d | 8-14 wks |
| Block Island (New Shoreham)Block Island Power Company | 15d | 10-16 wks |
Data compiled from municipal building departments, installer field reports, and NuWatt project history. Last updated March 2026. Click any row for details.
NuWatt Energy helps Rhode Island homeowners navigate heat pumps, solar, and energy storage. Clean Heat RI funds are limited — act before the December 31, 2026 ARPA deadline. Get a free assessment and see your savings.
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