Long Island Power Authority's energy comes from natural gas, oil, biomass, other fossil, and solar. Natural Gas is the largest source of electricity, providing 85% of Long Island Power Authority's energy. Oil is the second largest source, making up 5%. Biomass provides 4% of Long Island Power Authority's electricity. Other Fossil provides 4% of Long Island Power Authority's electricity. Solar provides 2% of Long Island Power Authority's electricity.
85%
Natural Gas
5%
Oil
4%
Biomass
4%
Other Fossil
2%
Solar
The average electricity rate for Long Island Power Authority customers is 22.07 cents/kWh. Long Island Power Authority has several different electricity rates for residential customers, as shown in the table below.
| Rate Name | Rate Type | Cost Per kWh |
| Residential Service | TOU | 15¢ to 50¢ |
| Residential Service Time-Of-Use | TOU | 16¢ to 29¢ |
| Residential Service(12:00 midnight to 7:00 a.m) | Fixed | 15¢ |
| Residential Service Time-Of-Use | TOU | 16¢ to 46¢ |
| Voluntary Large Residential Service with Multiple Rate Periods | TOU | 21¢ to 31¢ |
| Voluntary Large Residential Service with Multiple Rate Periods | TOU | 17¢ to 50¢ |
| Voluntary Large Residential Service with Multiple Rate Periods | TOU | 18¢ to 31¢ |
| Residential Service(Space Heating) | TOU | 19¢ to 27¢ |
| Residential Service | TOU | 24¢ to 27¢ |
| Residential Service Time-Of-Use | TOU | 16¢ to 52¢ |
| Residential Service | TOU | 21¢ to 44¢ |
| Residential Service Time-Of-Use | TOU | 16¢ to 45¢ |
| Voluntary Small Residential Service With Multiple Rate Periods | TOU | 18¢ to 59¢ |
| Residential Service(10:00 p.m. to 10:00 a.m) | Fixed | 16¢ |
In 2021, the average Long Island Power Authority customer lost electricity one time for a duration of 93 minutes. In total, the average Long Island Power Authority customer had their electricity out for about 67 minutes during the whole year.
Existing Net metered Customers: Generally credited to customer's next bill at retail rate (except avoided-cost rate for micro-CHP and fuel cells); excess for residential PV and wind and farm-based biogas is reconciled annually at avoided-cost rate; excess for micro-hydro, non-residential wind and solar, and residential micro-CHP and fuel cells carries over indefinitely Phase One transition tariffs: Credits carried over to the next monthly billing period, and over annual periods, however unused credits will be forfeited at the end of the contract.