Solar Battery Storage Calculator for Hawaii
See whether adding battery storage to your solar system makes financial sense in Hawaii. With partial (avoided-cost) credit net metering and average electricity rates of 43¢/kWh, here is how battery storage stacks up.
Net Metering
Partial (Avoided-Cost) Credit
Electricity Rate
43¢/kWh
Avg Sun Hours
5.5h/day
Avg Monthly Bill
$300
Battery Storage Calculator for Hawaii
Battery Cost
$12,825
before incentives
After 30% ITC
$8,978
net cost
Payback Period
5.2 years
Annual Savings
$1,726
Backup During Outage
10.8 hours
of essential-load backup with a 13.5 kWh battery
25-Year Savings Comparison
Solar Without Battery
$120,600
25-year net savings
Solar + Battery
$176,422
25-year net savings
Net Metering Policy: Partial (avoided-cost) credit. A battery helps you self-consume more solar energy instead of exporting it at a reduced rate, improving your return.
Estimates based on average electricity costs in Hawaii. 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.
Related Solar Resources for Hawaii
Get a Battery Storage Quote for Hawaii
Our solar advisors can design a battery system tailored to your Hawaii home. Get pricing for Tesla Powerwall, Enphase, and other top brands — all in one free consultation.
Get Your Free Quote