Solar panel cost and savings in Hilo, Hawaii
Hilo sits at 19.70°N, 155.09°W in Hawaii, United States. A typical residential solar system there is sized at 7.5 kW, laid out as 17 panels of 440 W each, mounted at a 20 degree tilt facing the sun's midday path.
Based on PVGIS solar radiation data for Hilo's coordinates, that system produces an estimated 12,297 kWh in its first year. At the local electricity price of $0.18 per kWh (export $0.06 per kWh, daily supply charge $0.55), that generation is worth an estimated $1,221 a year to a household with typical usage patterns for a 3-person home.
Get a solar estimate for HiloIncentives in Hilo
1 incentive currently applies to a system installed in Hilo:
Cost and payback
Before incentives, a typical system in Hilo costs an estimated $16,456 to $26,180 installed. After the incentives above, the estimated net cost is $16,456 to $26,180, and the system pays back in about 19 years at today's local electricity price.
These figures assume a typical 3-person household with no pool, electric vehicle or electric heating, and installation in 2026. Incentive values are provisional estimates, last verified on the date shown against each scheme, and can change. Electricity prices and incentive amounts shown here are set at the country level except where an incentive's value is itself calculated from Hilo's local solar zone, as noted above; only the production and payback figures are calculated specifically for Hilo's coordinates.
Frequently asked questions
How much solar power can a typical home in Hilo generate?
A typical 7.5 kW system (17 panels) in Hilo produces an estimated 12,297 kWh a year, based on PVGIS solar radiation data for its coordinates.
What does solar cost in Hilo after incentives?
Before incentives, a typical system costs $16,456 to $26,180 installed. After the incentives listed on this page, the estimated net cost is $16,456 to $26,180.
How long does solar take to pay back in Hilo?
At local electricity prices, a typical system in Hilo pays back in about 19 years, with estimated annual savings of $1,221.
What solar incentives apply in Hilo?
Federal Residential Clean Energy Credit. Each is detailed above with its estimated value, eligibility and whether it is a national or local scheme.
Nearby locations
All solar pages in Hawaii · All solar pages in United States