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FLAT Rate Structure

Solar ROI for Rhode Island Energy Customers

Rhode Island Energy charges an average of $26.8¢/kWh. A 7 kW solar system produces a $24,104 NPV over 25 years.

$14,700
Net System Cost
$24,104
25-Year NPV
7 years
Payback Period
$0.177/kWh
Solar LCOE

Rhode Island Energy Rate Structure

ParameterRate
Average residential rate$26.8¢/kWh
Rate structureFLAT
Export credit policyRE Growth 20-year incentive payments. NEM at retail.

Solar System Economics

A 7 kW solar system for a Rhode Island Energy customer costs $21,000 before incentives. The 30% federal ITC saves $6,300. The net out-of-pocket cost is $14,700.

At Rhode Island Energy's $26.8¢/kWh average rate, the system saves $2,289 in year one, producing 8,540 kWh. The solar LCOE of $0.177/kWh is 34% below Rhode Island Energy's current rate.

Battery Storage for Rhode Island Energy Customers

$8,400
Battery Net Cost
$0
Daily Arbitrage
$0
Annual Arbitrage
-$11,382
25-Year Battery NPV

Rhode Island Energy uses a flat rate structure without significant peak/off-peak spread. Battery value comes primarily from backup power and net metering optimization rather than TOU arbitrage.

FAQ: Solar for Rhode Island Energy Customers

How much can Rhode Island Energy customers save with solar?
A typical 7 kW solar system saves Rhode Island Energy customers approximately $2,289/year in electricity costs. Over 25 years, the NPV of savings after system costs is $24,104.
What is Rhode Island Energy's rate structure?
Rhode Island Energy uses a flat rate structure at an average of $26.8¢/kWh. Without a large peak/off-peak spread, battery storage value comes primarily from backup power and net metering optimization.
Does Rhode Island Energy offer net metering?
RE Growth 20-year incentive payments. NEM at retail.
Should Rhode Island Energy customers add battery storage?
Battery storage for Rhode Island Energy customers has a 25-year NPV of -$11,382. The economics are marginal based on TOU savings alone, but backup power value and future grid services programs may change the equation.

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