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Barrington is an affluent East Bay community on Narragansett Bay with large homes ideal for solar. At $0.29/kWh from RI Energy, an average 9 kW system costs $21,550 after the $5,000 REF rebate. Coastal zone. Fast 8-day permits. No historic district restrictions.
Cost Range
$2.75-$3.15
Per watt installed
After REF
$21.6K
9 kW system
Payback
6.5 yrs
Cash purchase
RI Energy Rate
$0.29
Per kWh
2026 Reality: The 30% federal solar tax credit (25D) expired for homeowners on Dec 31, 2025. All Barrington costs and payback in this guide reflect $0 federal credit. Third-party PPA/lease providers can still claim the commercial ITC (Section 48). What this means for you
A typical 9 kW solar system in Barrington costs $26,550 before incentives. After the $5,000 REF rebate, your net cost is $21,550. The REG program then pays you $2,973/year for 15 years, and net metering saves another $2,754/year. Combined with tax exemptions, payback is approximately 6.5 years.
Gross Cost (9 kW)
$26,550
$2.95/W avg
REF Rebate
-$5,000
$0.65/W capped
Net Cost
$21,550
Out of pocket
REG Income (15yr)
$44,590
$2,973/yr
Barrington homes are larger than the RI average, driving bigger system sizes. Coastal properties pay a slight premium for marine-grade equipment, but higher energy usage produces greater long-term savings.
| System Size | Gross Cost | REF Rebate | Net Cost | REG Income/yr | Est. Payback |
|---|---|---|---|---|---|
| 6 kW | $17,700 | -$3,900 | $13,800 | $1,982 | 6.9 yrs |
| 9 kW | $26,550 | -$5,000 | $21,550 | $2,973 | 6.5 yrs |
| 12 kW | $35,400 | -$5,000 | $30,400 | $3,964 | 6.8 yrs |
| 15 kW | $44,250 | -$5,000 | $39,250 | $4,954 | 7.1 yrs |
Barrington sweet spot: 9-12 kW. Barrington's larger homes with higher energy consumption benefit from bigger systems. Waterfront homes on Rumstick and Nayatt Points often install 12-15 kW to offset AC, pool pumps, and EV charging. The $5,000 REF rebate represents a smaller percentage at these sizes, but lifetime savings are substantial.
Barrington's affluent East Bay location creates both advantages (large homes, high energy usage, valuable tax exemptions) and considerations (coastal equipment, higher per-watt costs).
Narragansett Bay exposure requires salt-air rated racking on waterfront properties
Marine-grade aluminum and stainless steel hardware resist salt corrosion
Microinverters recommended over string inverters for moisture resistance
CRMC review may apply for properties directly on the waterfront
Coastal premium adds $500-$1,500 but protects 25-year warranty coverage
Barrington has some of the highest home values in RI ($500K-$1M+ average)
Solar adds 3-4% to home value — at $600K that is $18K-$24K of added value
20-year property tax exemption means $0 additional tax on that $18K-$24K increase
At Barrington tax rates this saves approximately $500-$800+ per year
Over 20 years: $10,000-$16,000 in avoided property taxes alone
Site survey and design
1-2 weeksBarrington building permit
8 business daysInstallation
1-3 daysTown inspection
3-5 daysRI Energy interconnection
3-4 weeksTotal timeline
5-10 weeksCoastal properties lose power more frequently during storms and hurricanes
Battery backup keeps lights, refrigeration, and sump pumps running during outages
ConnectedSolutions pays $225/kW summer demand response revenue
$2,000 REF battery adder (on top of $5,000 solar) available statewide
Solar + battery is increasingly the standard for Barrington waterfront homes
Barrington ranges from waterfront estates on Rumstick and Nayatt Points to the classic suburban center and the Hampden Meadows area near Warren.
Waterfront estates, large lots, high-value homes
Large waterfront homes with expansive south-facing roofs — ideal for big systems
Coastal exposure requires salt-air rated racking and marine-grade hardware
High energy usage (AC, pools, EV charging) drives larger system sizes (10-15 kW)
Premium home values make the 20-year solar property tax exemption extremely valuable
Battery backup popular for storm resilience — coastal properties lose power more frequently
Typical System
10-15 kW
Cost Range
$27,500-$47,250
Permitting
Standard permit, 8 days. Coastal zone review may apply
Classic New England suburban, 1940s-1970s homes
Well-maintained colonial and Cape Cod homes with excellent roof structures
Walkable downtown area with strong environmental awareness
Most homes have adequate 200A panels — no upgrade typically needed
Tree-lined streets may create some shading — microinverters recommended
Close to Route 114 — multiple installers serve this area competitively
Typical System
8-10 kW
Cost Range
$22,000-$31,500
Permitting
Standard permit, 8 business days
Suburban residential near Warren border
Mix of ranch and colonial homes from 1960s-1990s era
Good lot sizes with moderate spacing — less shading from neighbors
Some properties near Hundred Acre Cove have coastal considerations
Established neighborhood with consistent housing stock
Near Warren border — shared installer coverage
Typical System
8-10 kW
Cost Range
$22,000-$31,500
Permitting
Standard permit, 8 business days
Coastal residential, newer construction
Newer homes with modern roofing and electrical systems — solar-ready
Coastal properties along Narragansett Bay need salt-air rated equipment
Larger floor plans drive higher energy usage and bigger system sizes
Many homes have EV chargers, creating additional solar demand
Some of the highest property values in RI — 20-year tax exemption is very valuable
Typical System
9-12 kW
Cost Range
$24,750-$37,800
Permitting
Standard permit, 8 days. Coastal zone review may apply
Rhode Island has one of the best incentive stacks in the country. Every one of these programs works together — you can receive all of them simultaneously.
REF Rebate (upfront)
$0.65/W from Commerce RI, capped at $5,000
REG Program (15 years)
$0.2723/kWh for 15 years = $44,590 total
Net Metering Credits
80% retail credit on exported kWh + full value on self-consumed. 10,917 kWh/yr production
Sales Tax Exemption
RI 7% sales tax exempt on all solar equipment and labor (one-time savings)
Property Tax Exemption
20-year exemption. Especially valuable with Barrington's high property values
Year 1 Total Value
REF (one-time) + REG + net metering + property tax savings
Adding battery storage to your Barrington solar system unlocks ConnectedSolutions revenue, storm backup for coastal properties, plus a $2,000 REF battery adder.
Summer (Jun-Sep)
$225/kW
10 kW = $2,250/yr
Winter (Dec-Mar)
$50/kW
10 kW = $500/yr
Annual CS Revenue
$2,750/yr
10 kW battery in RI Energy territory
Barrington has an efficient permit process with 8-day average approvals, online applications, and no historic district issues. Coastal properties may need additional CRMC review.
1
Towns Tracked
8 days
Avg Permit Time
1
Coastal Zone
1
Online Permits
| Town | Permit | Total |
|---|---|---|
| BarringtonRhode Island Energy | 8d | 5-10 wks |
Data compiled from municipal building departments, installer field reports, and NuWatt project history. Last updated March 2026. Click any row for details.
Adjust system size and options to see your estimated costs, incentives, and payback period for a solar installation in Barrington.
Estimate your cost, incentives, and payback with REG + REF + net metering
Federal Residential Solar Tax Credit (Section 25D) — Expired
Homeowners who buy solar with cash or a loan receive $0 in federal tax credits. Section 25D expired December 31, 2025. RI's state incentives (REG + REF) make solar still highly worthwhile.
Estimates based on Providence pricing ($2.75-$3.15/W), RI Energy $0.29/kWh rate, post-April 2023 net metering (80% retail), and REG PY2026 ceiling price ($0.2723/kWh). Actual costs vary by installer, roof, and system design. REF rebate subject to available funding.
All surrounding cities are served by RI Energy and qualify for the same state incentives. The primary difference is system size, coastal exposure, and permitting complexity.
Affluent East Bay, coastal
6 miles north
Lower costs, fast permits. Also coastal but more suburban housing stock.
10 miles northwest
Third-largest RI city. No coastal zone. Fast 8-day permits.
10 miles north
Capital city. Similar pricing but with historic district complications.
10 miles west
Second-largest RI city. Coastal areas along Greenwich Bay.
35 miles southwest
Another coastal premium market. Watch Hill and Misquamicut areas.
Gross system cost
$26,550
REF rebate
-$5,000
Net cost
$21,550
Sales tax saved (one-time)
$1,859
REG income (15 years)
$44,590
Net metering savings (25 years)
$68,850
Property tax savings (20 years)
$8,120
25-Year Net Savings
~$101,869
Solar panels in Barrington cost $2.75-$3.15 per watt installed, averaging $2.95/W. A typical 9 kW system costs approximately $26,550 before incentives. After the $5,000 REF rebate from Commerce RI, the net cost drops to about $21,550. There is no federal tax credit for homeowners in 2026 — the 25D ITC expired December 31, 2025. Barrington is slightly above the RI average due to coastal equipment needs and larger system sizes.
Barrington averages $2.95/W compared to about $2.90/W in Providence or Cranston. This premium is driven by two factors: (1) coastal zone properties along Narragansett Bay require salt-air rated racking and marine-grade hardware ($500-$1,500 extra), and (2) Barrington homes are typically larger with higher energy usage, supporting bigger 9-12 kW systems. The higher absolute cost is offset by larger energy production and savings.
Yes. Barrington is classified as a coastal zone due to its location on Narragansett Bay. Waterfront properties (Rumstick Point, Nayatt Point, Tyler Point) need salt-air rated equipment and may require CRMC review. Inland areas of Barrington (Center, Hampden Meadows interior) have less exposure but may still benefit from marine-grade hardware for longevity.
Rhode Island exempts solar installations from property tax assessment for 20 years. In Barrington, where average home values exceed $500,000, this is especially valuable. A 9 kW solar system adds approximately 3-4% to home value but you pay $0 additional property tax for 20 years. This can save Barrington homeowners $500-$800 per year in avoided property tax increases.
Barrington solar systems have an approximate 6.5-year payback period for cash purchases. While the slightly higher per-watt cost extends payback versus inland towns, Barrington homes typically have larger systems and higher energy usage, which produces more lifetime savings. The REG program ($0.27/kWh for 15 years), $5,000 REF rebate, and tax exemptions all contribute.
Barrington homeowners qualify for all statewide RI solar incentives: the REF rebate ($0.65/W, max $5,000 plus $2,000 battery adder), REG program ($0.27/kWh for 15 years), net metering (80% retail credit), 7% sales tax exemption, 20-year property tax exemption, and ConnectedSolutions battery revenue ($225/kW summer). There is no federal residential ITC in 2026.
We will assess your specific roof, coastal exposure, and RI Energy rate to show you exactly what solar costs and saves for your Barrington home.
Statewide costs, incentives, REG, REF, and payback for all RI homeowners.
Read moreRenewable Energy Growth: $0.27/kWh for 15 years. How to enroll.
Read more$0.65/W rebate (max $5,000) + $2,000 battery adder.
Read more80% retail credit (post-April 2023). How credits work.
Read moreWhy RI solar still works without the 25D ITC.
Read moreEarn $225/kW summer + $50/kW winter from demand response.
Read morePricing: EnergySage Solar Marketplace (January 2026), NuWatt Energy Rhode Island installations.
Utility rates: RI Energy R-1 residential tariff schedule, effective January 2026.
REG program: RI Office of Energy Resources, PY2026 ceiling prices.
REF rebate: Commerce RI Renewable Energy Fund program guidelines, 2026.
Net metering: RI PUC Docket No. 22-05-EL, post-April 2023 credit structure.
Permitting: Town of Barrington Building Department.
Coastal zone: RI Coastal Resources Management Council (CRMC).
Population: US Census Bureau, 2024 estimate.