Solar in Central Islip, NY
With PSEG Long Island (LIPA)'s electricity at about 28.1¢ per kWh and 1,322 kWh of sun per kW, solar is worth it for a typical Central Islip home today: about a 6.8-year payback.
- Payback, typical home
- 6.8 yrsNew York: 6.8 yrs
- 25-year net
- $69,523after paying $16,860
- Sun
- 1,322kWh per kW per year
- Electricity
- 28.1¢56% above U.S. average
A typical Central Islip home, by the numbers
| Utility | PSEG Long Island (LIPA) |
|---|---|
| Electricity use | 744 kWh a month |
| Best-value system | 6.8 kW, about 16 panels, 8,991 kWh a year (101% of use) |
| Cost | $21,860, or $16,860 after state incentives |
| First-year savings | $2,409 |
| Payback | 6.8 years |
| Exported power | Full retail net metering (PSEG Long Island (LIPA)) |
Cash purchase, no federal credit, 3.6% yearly rate increases. Run it with your own numbers.
Homes in Central Islip
- Owner-occupied homes
- 78%
- Single-family detached
- 64%
- Median home value
- $436k
- Median year built
- 1969
- Population
- 38,373
- Solar installs, last 3 years*
- 30
- Roofs suitable for solar†
- 87%
Census ACS 2020–2024. *Installations in public records for this area's ZIP codes. †Share of 7,119 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Older housing stock. Many homes here were built before 1975. Have the roof and electrical panel checked before signing; a roof or panel upgrade can add thousands. Roof first?
Installers working in Central Islip
Companies with the most installations in Central Islip's ZIP codes over the last 3 years, from public records. We don't take payment for placement.
- Nyss 10 installs
- Sunation Solar Systems 6 installs
- Long Island Power Solutions 4 installs
- Surf Clean Energy 3 installs
- Hytech Solar 2 installs
- Patriot Energy Solutions 2 installs
- Element Energy 1 installs
- Leviathan Solar 1 installs
- SunPower 1 installs
Always verify the license and get at least three quotes. Compare quotes side by side.
Questions about solar in Central Islip
Is solar worth it in Central Islip, NY?
For a typical home in Central Islip, solar is worth it at 2026 prices: a 6.8 kW system costs about $16,860 after state incentives, saves about $2,409 in year one and pays back in about 6.8 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Central Islip?
About 1,322 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 1% less than the New York average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Central Islip?
Most homes in Central Islip are served by PSEG Long Island (LIPA), at about 28.1¢ per kWh on average.
How much do solar panels cost in Central Islip?
A fair cash price is around $3.20 per watt before incentives, so about $21,860 for a 6.8 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Bay Shore 6.6 yrs
- Commack 6.6 yrs
- Holbrook 6.7 yrs
- Deer Park 6.5 yrs
- West Islip 6.8 yrs
- Centereach 6.6 yrs
- West Babylon 6.6 yrs
- Lindenhurst 6.7 yrs
- All of New York
Data: PVWatts (National Laboratory of the Rockies), EIA-861 2025 adjusted to 2026, U.S. Census ACS, LBNL Tracking the Sun, state policy research as of October 2026.