Solar Battery Storage Calculator for Connecticut

See whether adding battery storage to your solar system makes financial sense in Connecticut. With full retail credit net metering and average electricity rates of 29.5¢/kWh, here is how battery storage stacks up.

Net Metering

Full Retail Credit

Electricity Rate

29.5¢/kWh

Avg Sun Hours

4.2h/day

Avg Monthly Bill

$220

Battery Storage Calculator for Connecticut

$50$1,000
5 kWh40 kWh

Battery Cost

$12,825

before incentives

After 30% ITC

$8,978

net cost

Payback Period

12.9 years

Annual Savings

$698

Backup During Outage

10.8 hours

of essential-load backup with a 13.5 kWh battery

25-Year Savings Comparison

Solar Without Battery

$79,761

25-year net savings

Solar + Battery

$96,986

25-year net savings

Net Metering Policy: Full retail credit. Battery storage adds backup power but may not significantly increase financial savings since excess solar is already credited at full retail rate.

Estimates based on average electricity costs in Connecticut. Battery costs reflect current market averages including installation. Actual savings depend on your utility rate structure, usage patterns, and local incentive programs. Consult a solar advisor for a personalized quote.

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