top of page
Solar panels with Providence skyline or Rhode Island coastal home

Rhode Island Solar Company: Independent Solar Broker Serving Providence, Warwick, Cranston & Statewide

Your Trusted Rhode Island Company Alternative!

Going solar in Rhode Island offers exceptional financial returns despite recent legislative challenges. With the nation's unique REG (Renewable Energy Growth) program paying up to $0.34/kWh for solar production (nearly double retail rates!), creating $1,500-$2,000 annual income for 15-20 years, the 30% federal tax credit (expiring December 31, 2025), 15% state tax credit (up to $1,000), $5,000+ REF grants reducing upfront costs, full retail net metering (up to 125% of usage), 7% sales tax exemption ($1,120+ savings), 20-year property tax exemption, and Rhode Island's highest-in-nation electricity rates ($0.28-0.31/kWh—5th highest nationally), Rhode Island solar delivers 5-7 year payback with $130,000+ lifetime savings—among the best ROI in America. URGENT: Recent legislative threats (HB 6202, HB 6203) propose eliminating REG and restricting net metering. Systems installed NOW are grandfathered under current programs—protecting your long-term financial returns. But navigating the REG vs. net metering decision, REF grant applications, understanding which program maximizes YOUR specific situation, and timing enrollment before annual capacity fills can be overwhelming—especially when most solar salespeople work for a single company and are incentivized to sell you their panels, their financing, and their pricing, whether it's the best option for you or not.

That's where Girdler Solar makes the difference. As an independent Rhode Island solar broker, we don't work for any specific solar installer. We work for you. We compare multiple vetted solar providers across Rhode Island, help you choose between REG and net metering strategies, navigate REF grant applications, and ensure you're grandfathered under current incentive programs before potential legislative changes. From Providence to Warwick, Cranston to Pawtucket, we're your trusted solar advisor in Rhode Island—delivering honest guidance, transparent pricing, and real savings without the high-pressure sales tactics.

Why Rhode Island Homeowners & Businesses Are Going Solar

Residential solar installation on Rhode Island home
Nation's Unique REG Program - Get Paid DOUBLE Retail Rates!

Rhode Island's Renewable Energy Growth (REG) program is unlike any solar incentive in America. Instead of standard net metering, REG pays you a fixed premium rate for ALL electricity your solar system produces for 15-20 years—regardless of whether you use it or not. Current REG rates reach up to $0.3385/kWh (33.85 cents) for small residential systems, while Rhode Island's retail electricity rate is only ~$0.19/kWh. This means you're paid nearly DOUBLE what you'd pay for electricity! A typical 10 kW system generating 12,000 kWh annually earns $4,062 per year in REG payments ($0.3385 × 12,000). Over 20 years, this generates $81,240 in guaranteed solar income. You continue buying electricity at retail rates (~$0.19/kWh), so REG creates pure profit on top of bill offset. Many Rhode Island homeowners report their monthly REG checks exceed their old electric bills. CRITICAL: HB 6203 proposes repealing REG entirely. Systems enrolled NOW are protected through their full 15-20 year contract term. Don't wait—REG enrollment capacity fills quickly each April.

Highest Electricity Rates in the Nation ($0.28-0.31/kWh)

Rhode Island ranks 5th highest in the nation for electricity rates, with current average residential rates at $0.28-0.31/kWh—53% above the national average of $0.19/kWh. The average Rhode Island household pays $243/month ($2,916 annually) for electricity—7th highest monthly bill in America. Winter 2024-2025 saw dramatic rate volatility: RI Energy's Last Resort Service spiked 57.7% (from $0.104/kWh summer to $0.164/kWh winter), driven by natural gas dependence and regional energy market volatility. With 91% of Rhode Island's electricity generated from natural gas, rates fluctuate wildly with global fuel markets. Solar locks in fixed energy costs and protects against future spikes—particularly valuable given Rhode Island's extreme rate volatility and dependence on fossil fuels.

30% Federal Tax Credit (Expiring December 31, 2025!)

The federal Investment Tax Credit (ITC) allows you to deduct 30% of your total solar system cost from your federal taxes. For a $30,000 solar system, this means $9,000 in tax savings—a direct dollar-for-dollar reduction in your IRS tax bill. CRITICAL: The 30% federal tax credit expires December 31, 2025—systems must be operational by year-end to qualify. Congressional legislation has been proposed to terminate the residential credit on this date. This is your final opportunity to claim the full federal incentive before it potentially disappears entirely. Combined with Rhode Island's REG program ($81,240 over 20 years), state tax credit ($1,000), and REF grant ($5,000+), the federal credit makes 2025 the most financially compelling year ever for Rhode Island solar.

15% State Tax Credit (Up to $1,000) + $5,000+ REF Grant

Rhode Island provides two powerful state incentives:

  • 15% State Tax Credit: Rhode Island offers a state income tax credit equal to 15% of solar system costs, capped at $1,000. On a $30,000 system, you receive the full $1,000 state credit. This credit can be claimed alongside the 30% federal credit—both apply to the same installation, providing combined tax savings of $10,000 on a typical system.

  • REF Grant ($5,000+ Upfront): The Renewable Energy Fund provides upfront grants calculated at $0.65/watt (capped at $5,000), plus a $2,000 energy storage adder if adding batteries. A typical 10 kW system earns $5,000 REF grant + potentially $2,000 storage = $7,000 total upfront discount applied immediately at installation. Important: REF grants CANNOT be combined with REG program—you choose one or the other. REF pairs with net metering; REG is standalone. Your installer handles REF applications through RI Commerce Corporation.

Full Retail Net Metering (Up to 125% of Usage)

For homeowners choosing net metering instead of REG, Rhode Island offers excellent full retail rate credits. Excess solar sent to grid earns credits at full retail rate (~$0.19/kWh) for up to 100% of monthly usage. Credits cover up to 125% of annual consumption—meaning you can oversize your system 25% beyond usage and still receive full retail credits. Any excess beyond 125% compensated at avoided cost rate (lower than retail). Credits roll over month-to-month, allowing summer overproduction to offset winter usage. CRITICAL: HB 6202 proposes moratorium on new net metering contracts. Systems interconnected NOW are grandfathered with existing net metering benefits protected long-term.

 

7% Sales Tax Exemption + 20-Year Property Tax Exemption

Rhode Island provides two additional tax advantages:

  • 7% Sales Tax Exemption: All solar equipment and installation costs exempt from Rhode Island's 7% sales tax. On a typical $30,000 system, this saves $2,100 upfront—money that stays in your pocket from day one.

20-Year Property Tax Exemption: Solar systems increase home values by 4-6% (roughly $15,000 for typical installation), but Rhode Island exempts this added value from property taxes for 20 years. You gain thousands in home equity without any property tax increase—ongoing savings throughout system lifetime.

5-7 Year Payback - Among Fastest in America

Rhode Island solar systems pay for themselves in just 5-7 years—one of the fastest payback periods in the nation. After applying 30% federal credit ($9,000), 15% state credit ($1,000), and REF grant ($5,000-$7,000) OR enrolling in REG program, combined with Rhode Island's extreme electricity rates and exceptional incentive stacking, solar delivers unmatched ROI. With REG program generating $4,000+ annually for 20 years, total lifetime solar value reaches $130,000+ (electricity savings + REG income + tax credits + grants). After 5-7 year payback, you continue receiving REG payments and free electricity through years 15-30+. Rhode Island offers America's most financially rewarding solar landscape—if you act before legislative changes.

We Work for You, Not Solar Companies

Traditional solar installers employ commissioned salespeople who only present their company's products and pricing. They can't show you competitive options because they're locked into one brand, one installer, and one price structure. As an independent Rhode Island solar broker, Girdler Solar compares offers from multiple reputable solar providers across the state. This means you get:

Better Pricing: We negotiate with installers to secure competitive rates you wouldn't get going directly to a single company

More Equipment Options: Access to top-tier panels, inverters, and batteries from multiple manufacturers

Honest Comparisons: Side-by-side analysis of costs, warranties, and long-term value

No Sales Pressure: We educate you about your options and let you decide on your timeline

Legislative Protection: We ensure you're grandfathered under current programs before potential HB 6202/6203 changes

 Solar consultant reviewing plans with Rhode Island homeowner

Local Knowledge, Statewide Reach

Rhode Island has unique solar considerations:

RI Energy Territory (Statewide): Understanding REG vs. net metering decision (binding for system lifetime), REF grant application process and annual funding limits, Last Resort Service rate volatility (57.7% winter spike 2024-2025), interconnection requirements, Time-of-Use rates, service for Providence, Warwick, Cranston, Pawtucket, and 770,000+ customers statewide.

REG vs. Net Metering - Critical Decision: REG Program: Pays up to $0.3385/kWh for ALL production (15-20 year contract), generates $4,000+ annual income, cannot combine with REF grants, enrollment April 1st annually (limited capacity fills fast), you're paid for solar while buying electricity separately. Net Metering: Earn full retail credits (~$0.19/kWh) up to 125% usage, can combine with REF grants ($5,000-$7,000 upfront), credits offset bill directly, traditional solar economics. This decision is binding for system lifetime—choose carefully!

Recent Legislative Threats (HB 6202 & HB 6203): HB 6202 proposes moratorium on new net metering contracts and heat pump subsidies. HB 6203 proposes complete repeal of REG program. Both bills introduced June 2025, currently under review. Systems installed NOW grandfathered under existing programs—protected through full contract term (15-20 years for REG, indefinitely for net metering). URGENT: Don't wait for legislative outcome. Lock in current benefits immediately.

REF Grant Application Process: Installer submits application to RI Commerce Corporation on your behalf, grant calculated at $0.65/watt (max $5,000) + $2,000 storage adder, approval required before installation, grant discount applied to final invoice, annual funding limited—windows fill quickly, cannot combine with REG (choose one or the other).

RI Energy Connected Solutions (Battery Rebate): Demand response program compensating battery owners for grid support during peak demand (June-September, 3-8 PM), up to 60 events per summer (max 3 hours each), residential customers earn $400/kW performed, commercial earn $225/kW performed, batteries remain under your control with voluntary participation, excellent complement to solar investment.

Pascoag Utility District (Limited Northwest RI): Small municipal utility serving limited northwest Rhode Island territory, similar net metering available, different interconnection process than RI Energy, community-owned structure.

Block Island Power Company: Island-specific utility, unique solar programs due to island grid constraints, different rate structures than mainland.

Federal Tax Credit Urgency: Understanding December 31, 2025 expiration, congressional proposals to terminate residential credit, construction timeline requirements, operational deadline importance.

We understand these nuances and ensure your solar system is designed specifically for Rhode Island's exceptional incentive landscape and your utility's requirements.

Map of Rhode Island with service areas highlighted

Transparent Process, Zero Surprises

Here's how working with Girdler Solar works:

  1. Free Consultation: We review your electricity usage, RI Energy bills, property details, and solar goals

  2. REG vs. Net Metering Analysis: We calculate financial projections for BOTH pathways based on YOUR specific situation

  3. Custom Design: We create a system design optimized for Rhode Island climate, roof orientation, and chosen program

  4. Provider Comparison: We request quotes from multiple Rhode Island solar installers

  5. Incentive Maximization: We determine optimal combination of federal credit, state credit, REF grant, and REG/net metering

  6. Side-by-Side Comparison: We present clear comparisons showing costs, equipment, 20-year financial projections, and total lifetime value

  7. Your Decision: You choose the best option with full confidence—no pressure, no gimmicks

  8. Enrollment Coordination: We handle REG April enrollment OR REF grant application, ensuring you lock in benefits before legislative changes

  9. Installation Coordination: We manage the entire process and remain your advocate throughout

  10. Utility Interconnection: We handle RI Energy interconnection, net metering enrollment OR REG contract finalization, and Permission to Operate

Commercial Solar project in Rhode Island

Maximizing Your Solar Investment

We help you:

  • Understand the 30% federal tax credit expiring December 31, 2025 and congressional proposals to terminate it

  • Navigate REG vs. net metering decision (binding for system lifetime—choose wisely!)

  • Calculate exact 15-20 year REG income projections ($81,240+ potential on typical system)

  • Apply for REF grants ($5,000-$7,000) if choosing net metering pathway

  • Claim 15% Rhode Island state tax credit (up to $1,000 additional savings)

  • Leverage 7% sales tax exemption ($2,100+ savings on typical system)

  • Secure 20-year property tax exemption (ongoing annual savings)

  • Enroll in REG program during April window before capacity fills

  • Understand grandfathering protection against HB 6202/6203 legislative threats

  • Explore Connected Solutions battery rebates ($400/kW residential)

  • Choose equipment optimized for New England climate

  • Decide if battery storage makes sense for backup power and demand response income

  • Optimize system sizing for chosen program (REG vs. net metering strategies differ)

  • Avoid common pitfalls including wrong program choice, missed enrollment windows, legislative timing risks

URGENT: Federal 30% tax credit expires December 31, 2025—systems must be operational by year-end! Rhode Island Solar Access Program launches 2025 with $7,500 maximum grants—early application recommended!

What Does Solar Cost in Rhode Island?

  • The average residential solar system in Rhode Island ranges from $30,000 to $35,000 before incentives. After applying the 30% federal tax credit ($9,000-$10,500), 15% state tax credit ($1,000), and REF grant ($5,000-$7,000 if choosing net metering), most homeowners pay $14,500-$20,000 net cost upfront. Then REG payments begin if you chose that pathway—earning back $4,000+ annually for 15-20 years.

  • For a typical Rhode Island home using 800-900 kWh per month (state average 597 kWh, but solar customers use more), a 10-11 kW solar system usually produces 12,000-13,200 kWh annually. Program choice determines financial structure:

  • REG Pathway: System generates $4,062+ annually ($0.3385/kWh × 12,000 kWh) for 20 years = $81,240 total REG income. You continue paying RI Energy for electricity consumed (~$2,200/year at $0.19/kWh × 900 kWh/month), but REG payments ($4,062/year) exceed electric bills—creating net positive cash flow of ~$1,800/year AFTER paying for electricity.

  • Net Metering Pathway: System offsets 90-100% of electricity usage, saving ~$2,500/year on eliminated electric bills. Combined with REF grant ($5,000-$7,000 upfront), total savings reach similar levels as REG over time, but structured differently (immediate bill reduction vs. income payments).

Payback Period

  • Rhode Island solar systems pay for themselves in 5-7 years—among the fastest payback in America. With REG generating $4,000+ annually OR net metering saving $2,500+ annually, combined with upfront incentives totaling $15,000-$18,500, payback happens remarkably fast. After payback, REG customers continue receiving payments through year 15-20, then free electricity through years 20-30. Net metering customers enjoy free electricity through years 5-30. Over 25 years, Rhode Island homeowners typically achieve $130,000+ total solar value (combination of REG income, electricity savings, and incentive savings).

Financing Options
  • Cash Purchase: Best long-term value, fastest payback, full federal/state credits and REG/net metering benefits

  • Solar Loan: $0 down, immediate savings, own your system, claim all incentives including REG payments

  • Power Purchase Agreement (PPA): Low upfront cost (Warning: Third-party owner keeps REG payments—you lose $81,240+ over 20 years)

  • Solar Lease: Fixed monthly payments (Warning: Third-party owner keeps REG payments—you lose $81,240+)

  • Critical: Only system owners qualify for REG payments and net metering credits. With lease/PPA, you give up $81,240 in REG income OR net metering value to the third-party owner. For maximum financial return in Rhode Island's exceptional solar market, own your system through cash or loan.

Commercial Solar Incentives

Rhode Island businesses benefit from:

  • Federal Tax Credit: 30% ITC on commercial solar systems (expires Dec 31, 2025)

  • Commercial REG Rates: Higher payment tiers for larger systems, long-term income generation

  • Accelerated Depreciation: MACRS allows businesses to depreciate solar assets over 5 years

  • Net Metering: Commercial systems qualify for full retail rate credits up to 125% usage

  • REF Grants: Commercial-scale grants available for systems >10 kW

  • Operating Cost Reduction: Lock in energy costs, protect against Rhode Island's extreme rate volatility

  • Sales/Property Tax Exemptions: Same benefits as residential (7% sales tax exemption, 20-year property tax exemption)

Major Rhode Island Utilities

Rhode Island Energy (Formerly National Grid) - Statewide

  • Serves Providence, Warwick, Cranston, Pawtucket, Newport, and 770,000+ customers statewide

  • REG program administrator: up to $0.3385/kWh payments for 15-20 years

  • Net metering: Full retail credits (~$0.19/kWh) up to 125% annual usage

  • Current average rates: $0.28-0.31/kWh total (5th highest nationally)

  • Last Resort Service rate volatility: 57.7% winter spike (Oct 2024-Jan 2025)

  • Connected Solutions battery rebate: $400/kW residential, $225/kW commercial

  • 91% natural gas dependence drives seasonal rate fluctuations

Pascoag Utility District - Limited Northwest RI

  • Small municipal utility serving limited northwest territory

  • Net metering available for systems up to 10 MW

  • Community-owned non-profit structure

  • Different interconnection process than RI Energy

  • Smaller customer base, localized service

Block Island Power Company - Block Island

  • Island-specific utility with unique grid constraints

  • Different solar programs due to island microgrid

  • Limited interconnection capacity

  • Unique rate structures vs. mainland

Rhode Island Residential Solar installation

Major Metro Areas We Serve

Providence/Providence County:

  • Providence, Pawtucket, Central Falls, East Providence

  • RI Energy territory, state capital and largest city

  • Highest density solar market in Rhode Island

  • Providence Community Electricity aggregation available

Warwick/Kent County:

  • Warwick, Coventry, West Warwick, East Greenwich

  • RI Energy territory, second-largest city

  • Strong residential and commercial solar adoption

Cranston/Providence County:

  • Cranston, Johnston

  • RI Energy territory, third-largest city

  • Mixed residential and commercial installations

Pawtucket/Blackstone Valley:

  • Pawtucket, Cumberland, Lincoln, Woonsocket

  • RI Energy territory, northern Rhode Island

  • Growing solar market

resedential solar project in Rhode Island

Newport County:

  • Newport, Middletown, Portsmouth, Jamestown

  • RI Energy territory, coastal communities

  • Residential and tourism-related installations

  • Coastal climate considerations

South County/Washington County:

  • Narragansett, South Kingstown, Westerly, Charlestown

  • RI Energy territory, southern coastal Rhode Island

  • Beach communities with high summer usage

No matter where you live in Rhode Island, Girdler Solar connects you with trusted installers in your area and ensures you maximize REG payments OR net metering benefits plus all available incentives.

Rhode Island Solar Company FAQ: Your Questions Answered

Is solar worth it in Rhode Island? Absolutely—Rhode Island offers America's best solar incentive combination. With REG paying up to $0.34/kWh (nearly double retail rates) generating $81,240+ over 20 years, 30% federal credit expiring Dec 31 2025, 15% state credit ($1,000), REF grants ($5,000-$7,000), full retail net metering, 7% sales tax exemption, 20-year property tax exemption, and nation's 5th highest electricity rates ($0.28-0.31/kWh), Rhode Island solar delivers 5-7 year payback with $130,000+ lifetime value—best ROI in America if you act before legislative changes. What is the REG program and how does it work? Renewable Energy Growth (REG) program pays you up to $0.3385/kWh for ALL electricity your solar produces for 15-20 years under long-term contract—nearly double retail rates. A typical 10 kW system generating 12,000 kWh annually earns $4,062/year ($81,240 over 20 years). You're paid monthly via bill credits up to bill amount, then direct deposit for excess. You continue buying electricity at retail (~$0.19/kWh), so REG creates income ABOVE your electric costs. Enrollment April 1st annually, limited capacity. This decision is binding for system lifetime. REG vs. net metering - which should I choose? REG: Higher total financial return ($81,240+ over 20 years), generates income even if bills are low, best for long-term homeowners maximizing profit, cannot combine with REF grants, limited annual enrollment. Net Metering: Immediate bill offset, combines with REF grants ($5,000-$7,000 upfront), simpler economics (credits offset usage directly), better for maximizing immediate savings. Both excellent—choice depends on your priorities. We analyze YOUR specific situation to recommend optimal pathway. What are HB 6202 and HB 6203? Recent legislative proposals threatening Rhode Island solar: HB 6202 would impose moratorium on new net metering contracts, HB 6203 would repeal REG program entirely. Both introduced June 2025, currently under review. CRITICAL: Systems installed NOW are grandfathered under existing programs—protected through full contract term (15-20 years for REG, indefinitely for net metering). Don't wait for legislative outcome—lock in current benefits immediately. Can I get both REG and REF grants? No. REG and REF grants are mutually exclusive. REG is standalone program (paid by RI Energy for production). REF grants pair with net metering (upfront discount from RI Commerce). Choose one pathway: REG (higher long-term income, no grants) OR Net Metering + REF grants (upfront savings plus bill offset). Both can combine with 30% federal credit and 15% state credit. We help you determine which combination maximizes YOUR financial return. How much does solar cost in Rhode Island? Rhode Island solar ranges $30,000-$35,000 before incentives. After 30% federal credit ($9,000-$10,500), 15% state credit ($1,000), and REF grant ($5,000-$7,000 if choosing net metering), net cost is $14,500-$20,000. REG pathway then generates $4,000+ annually for 20 years ($81,240 total). Net metering pathway saves $2,500+ annually on bills. Payback 5-7 years with $130,000+ lifetime value—exceptional ROI. Will solar panels increase my Rhode Island property value? Yes. Studies show solar increases home values by 4-6% (roughly $15,000 for typical installation). Rhode Island's 20-year property tax exemption means added value won't increase property taxes—you gain equity without higher tax bills for 20 years. Solar homes sell faster due to locked-in low energy costs, transferable REG contracts OR net metering benefits, and protection against Rhode Island's extreme rate volatility. What is the federal tax credit deadline? The 30% federal tax credit expires December 31, 2025. Congressional legislation proposes terminating residential credit on this date. Systems must be operational by year-end to qualify. Missing deadline means losing $9,000-$10,500 for typical Rhode Island system. Rhode Island's state credit, REG, REF grants, and net metering continue, but losing federal credit extends payback from 5-7 years to 10-12 years. How do I enroll in the REG program? REG enrollment opens April 1st annually through RI Energy. Installer submits application on your behalf during short enrollment window (usually 2-4 weeks). Limited capacity means windows fill quickly—often within days. Once approved, you sign 15-20 year contract at fixed rate ($0.3385/kWh for small residential). Payments begin after interconnection. Critical: Cannot enroll after choosing net metering—decision is binding for system lifetime. We track enrollment windows and ensure timely submission. What happens if Rhode Island repeals REG or restricts net metering? Systems installed before legislative changes are grandfathered under existing programs. REG contracts are legally binding 15-20 year agreements—protected even if program repealed. Net metering interconnected before moratorium retains benefits indefinitely. This is why timing matters: Install NOW to lock in current programs before HB 6202/6203 potentially pass. Grandfathered systems protected through full term regardless of future legislative changes.

bottom of page