Nassau County · Long Island
Freeport, New York home energy guide
Everything we know about how home energy decisions actually play out in Freeport: Freeport Electric territory, the Long Island climate, a developing installer market, and ZIP 11520.
Start here
The three questions people actually arrive with
- Freeport solar costs and production$2.95–$3.85/W cash here. What a 8.5 kW system costs, makes, and cannot remove from your bill.
- Freeport backup power guideGenerator vs battery vs solar-plus-storage, decided against how the power actually fails here.
- Getting quotes in FreeportA developing market. Who quotes here and what to expect from them.
- Municipal utilities in New York (Freeport Electric)Why municipal-territory homeowners play by different rules than everyone else in the state.
- Nassau County weather and solarLong Island seasonal production curves, snow load, and what the climate actually costs you.
- Nassau County overviewMineola is the county seat. Utilities, permitting, and the property-tax exemption picture.
At a glance
Freeport in six numbers
A representative system
8.5 kW-DC
$25,075–$32,725 cash, producing 10,370–11,560 kWh a year.
All-in power cost
$0.08–$0.16/kWh
Plus a $10 monthly basic service charge.
Filed Municipal electric system rate sheets · verified Apr 2026Municipal systems buy low-cost hydropower allocations from NYPA. Rates are often less than half of the neighboring investor-owned utility's.
Winter production share
14%
December through February, as a share of the annual total.
Derived NREL PVWatts v8 · verified Jan 2026
Design snow load
20–30 psf
What the racking has to be engineered and stamped for.
Filed ASCE 7 ground snow load data · verified Jan 2026Snow load is low here, but wind load requirements are the highest in the state and drive the racking spec instead.
Population
44,000
Village in Nassau County.
Filed U.S. Census 2020 Decennial Census · verified Jan 2026
Permit authority
Village of Freeport Building Department
Permits are issued by your town, city, or village — not the county. Timelines and fees vary block to block across a single county.
Local reality
What actually matters in Freeport
- Freeport runs its own municipal electric utility inside otherwise-PSEG Long Island territory. Rates, net-metering policy, and program eligibility are all set by the village, not by LIPA or the PSC.
- Waterfront flood-zone requirements affect where inverters and batteries can legally be mounted. Post-Sandy elevation rules are a real design input here.
Freeport is on a municipal electric system. Most solar advice you will read does not apply here.
Your power comes from Freeport Electric, not from an investor-owned utility. Three consequences, and every one of them changes the math:
- NY-Sun incentives generally do not reach you. NYSERDA programs are funded by a surcharge that municipal customers do not pay, so they do not draw from it. An installer showing you a NY-Sun line on a Freeport address has not checked.
- New York's net-metering statute does not bind your utility. It applies to investor-owned utilities. Municipal systems set their own export policy, and some credit exports at wholesale avoided cost rather than at retail — which can halve the value of every kWh you send back.
- Your rate is low, and that lengthens payback. Cheap power is good for your bill and bad for solar economics. Every kWh you offset is worth less than it would be a few miles away in investor-owned territory.
The one call worth making: ring Freeport Electric and ask for their residential net-metering policy in writing before you sign anything. Then ask any installer to re-run the proposal without the NY-Sun line.
The 30% federal solar tax credit is gone for direct purchases.
Section 25D — the Residential Clean Energy Credit — terminated for expenditures after December 31, 2025 under Public Law 119-21. If you did not have a system installed and operational by the end of 2025, it is not available to you. Signing a contract or paying a deposit in 2025 was not enough.
Third-party ownership (a lease or a PPA) can still access the 48E business credit through the statutory window, but that credit is claimed by the system owner, not by you. Whether any of it reaches your monthly payment is a question for the contract, not the brochure.
New York's own credit is unaffected: Form IT-255 still gives 25% of qualified solar equipment cost, capped at $5,000 lifetime, with a five-year carryforward.
If a proposal for a Freeport address still shows a 30% federal credit, ask the salesperson to point you to the IRS guidance that allows it. There is not any. Current program status →
Freeport by the numbers
The inputs this page is built on
Delivery utility
Freeport Electric
A municipal system. NY-Sun incentives generally do not apply and the state net-metering statute does not bind them.
All-in cost of power
$0.08–$0.16/kWh
Plus a $10 monthly basic service charge that solar cannot remove.
Filed Municipal electric system rate sheets · verified Apr 2026Municipal systems buy low-cost hydropower allocations from NYPA. Rates are often less than half of the neighboring investor-owned utility's.
Specific yield
1,220–1,360 kWh / kW-DC / yr
Long Island climate zone. Dec–Feb is about 14% of the annual total.
Modeled NREL PVWatts v8 · verified Jan 2026
Snow and design load
20–45" / yr · 20–30 psf
No lake-effect exposure.
Filed ASCE 7 ground snow load data · verified Jan 2026Snow load is low here, but wind load requirements are the highest in the state and drive the racking spec instead.
Elevation
20 ft
Elevation drives snowfall totals and design load more than latitude does in this part of the state.
Installer market
Developing
A working but shallow market. Three quotes is achievable and worth the effort.
Permitting authority
Village of Freeport Building Department
Permits are issued by your town, city, or village — not the county. Timelines and fees vary block to block across a single county. The NYS Unified Solar Permit is broadly used in this area.
Housing stock
100A typical
Dominated by 1946-1965 tract housing. Original 100A services are common, and many were never upgraded past the first kitchen remodel.
Reported monthly bills
$110–$200
Range that readers on this route have shared with us. Yours depends on usage, rate, and whether an alternative supplier is on your bill.
ZIP codes covered
11520
Coordinates 40.66, -73.58. Landmarks: the Nautical Mile; Freeport Harbor; Woodcleft Canal.
Nearby
Places close enough to compare, and why they differ
- Levittown · 6 miPSEG-LI territory instead of a municipal system — NY-Sun and state net-metering rules apply there.
- Bayside · 12 miCon Edison territory instead of a municipal system — NY-Sun and state net-metering rules apply there.
- Huntington · 16 miPSEG-LI territory instead of a municipal system — NY-Sun and state net-metering rules apply there.
- Yonkers · 25 miCon Edison territory instead of a municipal system — NY-Sun and state net-metering rules apply there.
- White Plains · 27 miCon Edison territory instead of a municipal system — NY-Sun and state net-metering rules apply there.
- Staten Island · 30 miCon Edison territory instead of a municipal system — NY-Sun and state net-metering rules apply there.
How this page is built
This is a generated page: the structure is shared across locations, the numbers are not. Every figure comes from the source cited beside it, with the date we last checked it. Nothing here is a quote, an appraisal, or tax advice, and none of it is specific to your roof.
Rates and incentive programs change. We re-verify utility tariffs and NYSERDA program status on a rolling schedule and stamp the date on each number rather than on the page, so you can see which specific figures are fresh. Full methodology · Program status tracker · About the Local Energy Playbook
Page content last reviewed April 2026.