Federal solar credit ended Dec 31, 2025
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Solar costs · Hempstead (Town of Hempstead, Long Island), NY

Solar Panel Cost in Hempstead (Town of Hempstead, Long Island), New York

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Updated Data verified Nov 5, 2026

Hempstead (Town of Hempstead, Long Island) gets about 1,349 kWh per kW per year[1] from a rooftop solar array, according to NREL's PVWatts model at the city's coordinates. PSEG LI's residential customers paid an average of 24.57¢ per kWh[2] and used 739 kWh a month[2]. A system sized to that use, about 6.6 kW est.[1,2], costs roughly $22,000 to $29,500 est.[1,2,3] before incentives, and pays back in about 9 years est.[1,2,3,4] for a cash buyer.

On this page [ 8 ]

Hempstead (Town of Hempstead, Long Island) solar at a glance

Output per kW of panels1,349 kWh/yr[1]PVWatts, this city
Sunlight on panels4.68 kWh/m²/day[1]Annual average
PSEG LI avg. price24.57¢/kWh[2]2024 average, bundled customers
PSEG LI avg. home use739 kWh/mo[2]2024 average
Typical system6.6 kWCovers 100% of use
Typical price$25,700Estimate, before incentives
Year-1 savings$2,090Estimate
Payback9 yearsEstimate, cash purchase
Estimated monthly output of a 6.6 kW system in Hempstead (Town of Hempstead, Long Island) (PVWatts, typical weather year)kWh / month

PSEG LI credits exported energy at the retail rate (LIPA net metering for Mass Market projects (post-2018) with Customer Benefit Contribution). Solar customers also pay $1.13 per kW of panels a month, included in the estimates. Assumptions: methodology.

How PSEG Long Island (operator for the Long Island Power Authority) treats solar

UtilityExport policyExport creditAvg. residential priceMonthly basic charge
PSEG LILIPA net metering for Mass Market projects (post-2018) with Customer Benefit ContributionRetail rate (net metering)[4]24.57¢ per kWh[2]$17.03[4]

PSEG Long Island (operator for the Long Island Power Authority): LIPA net metering for Mass Market projects (post-2018) with Customer Benefit Contribution

For Mass Market projects interconnected on or after Jan 1, 2018, net exports are credited to the next bill at the same per-kWh rate charged to non-solar customers in that service class. TOU peak and off-peak credits are tracked separately. Credits are removed at the end of the billing period containing the 20th anniversary of the in-service date. Projects interconnected on or after Jan 1, 2022 pay the CBC, which LIPA bills as a daily charge. Export rates are locked for 20 years from interconnection.

  • Residential service charge: $0.56 per day (about $17.03/month), Rate Codes 180/194/195, effective January 1, 2026[4]
  • CBC applies to 2022+ systems: Mass Market projects interconnected on or after Jan 1, 2022 pay the Customer Benefit Contribution[4]
  • Battery incentive: NYSERDA Long Island Single-Family Residential Storage Incentive, Block 2: $250/kWh, $309,510 of $5.7M remaining on 2026-11-05[5]

Permits and local programs in Hempstead (Town of Hempstead, Long Island)

  • Permitting: Town of Hempstead residential solar permits use the standardized Long Island 'fast track' solar permit application[6]
  • Permit fee: The permit fee for residential solar or a powerwall is based on estimated construction cost, with no fee cap (amended by L.L. No. 20-2024, effective 4-2-2024)[6]
  • Property tax exemption: Nassau County and the Town of Hempstead are not on the RPTL 487 opt-out list. In Nassau, the listed opt-outs are the City of Long Beach and the Island Park and Oceanside school districts.[7]

Hempstead (Town of Hempstead, Long Island) solar cost by system size

SystemPrice before incentives[3]After incentiveskWh in year 1[1]Year-1 savings[2][4]Payback (years)
4 kW$15,600$11,7005,400$1,2709
6 kW$23,400$18,4008,090$1,9109
8 kW$31,200$26,20010,790$2,07011
10 kW$39,000$34,00013,490$2,04014
12 kW$46,800$41,80016,190$2,02017

Incentives for Hempstead (Town of Hempstead, Long Island) homeowners

Federal · tax creditEnding soon

Business credit for leased and PPA systems (48E)

Claimed by the system owner, not the homeowner; solar must begin construction by July 4, 2026 or be in service by December 31, 2027[8]

If a company owns the panels on your roof (a lease or power purchase agreement), that company may claim the business clean electricity investment credit and can reflect it in your price. You cannot claim it yourself.

Who
Third-party-owned systems (leases and PPAs). Ask the provider whether the price assumes this credit.
Deadline
December 31, 2027
Checked
November 5, 2026
State · tax creditAvailable

NY State Solar Energy System Equipment Credit (Tax Law 606(g-1))

25% of qualified solar equipment expenditures, up to $5,000; non-refundable; excess carries forward 5 years[9]

Confirmed on tax.ny.gov/pit/credits/solar_energy_system_equipment_credit.htm (that page says the credit is 25%, capped at $5,000, non-refundable, and can be carried over for up to five years, on Form IT-255). The tax.ny.gov page was last updated 2019-12-16. In the statute text, (g-1) mentions storage only in an exclusion ('recreational facility or equipment as a storage medium'). Battery storage is not added to this credit.

Who
Solar equipment that is bought, leased, or used under a power purchase agreement of 10+ years and installed at the taxpayer's principal residence in New York. Claimed on Form IT-255.
Maximum
$5,000
Deadline
No sunset in statute text
Checked
November 5, 2026
State · rebateAvailable

NYSERDA Residential Energy Storage Incentive (market-rate, Inclusive Storage Incentive, and Long Island)

Rest of State: $200/kWh (Block 1). Con Edison: $250/kWh (Block 1). Inclusive Storage Incentive (ISI): $450/kWh (Block 1). PSEG Long Island single-family: $250/kWh (Block 2). Paid on up to 25 kWh per home.[5]

Rates and budgets were read from portal.nyserda.ny.gov/Core_BlockChart_Page?programName=Residential Storage Incentive Program and PV_BlockChartV2_Page (Long Island: 'Current Incentive : $250/kWh'). The quote is from the Residential and Retail Storage Incentives page. Rest of State Block 1 is nearly exhausted. ISI eligibility details (DAC tract, <80% AMI, affordable housing) come from search snippets of NYSERDA webinar documents I did not open, so they are left out of this entry.

Who
Standalone or solar-paired home batteries installed by a NYSERDA-approved storage contractor. Incentives are paid on up to 25 kWh. ISI is the income- or location-qualified tier. Long Island projects apply through the NY-Sun Long Island Single-Family Residential Storage Incentive.
Deadline
First-come, first-served by block. Remaining budget on 2026-11-05: Rest of State Block 1 $321,550 left of $5.0M (Block 2 at $175/kWh not yet open); Con Edison Block 1 $5,507,425 left of $6.25M; ISI…
Checked
November 5, 2026
State · tax exemptionAvailable

Real property tax exemption for solar (RPTL 487)

For 15 years, the added assessed value from the solar system is exempt from property tax[10]

The 15-year term and opt-out rule are in the statute and in the tax.ny.gov Assessor Manual (updated 2026-02-10): https://www.tax.ny.gov/research/property/assess/manuals/vol4/pt1/sec4_01/sec487.htm. Opt-out list: https://www.tax.ny.gov/research/property/legal/localop/487opt.htm (updated 2026-10-27). In NYC, NYSERDA says the city's abatement (RPTL 499-bbbb) is offered instead of this exemption.

Who
Solar (and wind, farm waste, storage, etc.) systems built before 1/1/2030, outside jurisdictions that have opted out. The owner files Form RP-487 with the local assessor.
Deadline
December 31, 2029
Checked
November 5, 2026
State · tax exemptionAvailable

State sales tax exemption for residential solar equipment and installation (Tax Law 1115(ee))

Equipment and installation are exempt from the 4% state sales tax and the MCTD tax. Local sales tax is exempt only where the county or city has opted in.[11]

Local option: Pub 718-S (3/22, effective March 1, 2022; https://www.tax.ny.gov/pdf/publications/sales/pub718s.pdf) lists Erie County, Nassau County and New York City at a 0% local rate (local exemption adopted). Monroe County is in Part 1 (no local exemption) at a 4% local rate. The publication is dated 2022 and may not reflect later local changes.

Who
Residential solar energy systems equipment that produces heating, cooling, hot water and/or electricity for a residence, plus installation. PPA electricity is covered separately under 1115(ee)(2).
Deadline
No sunset in statute text
Checked
November 5, 2026

Every New York incentive →

FAQ

Frequently asked questions

How much do solar panels cost in Hempstead (Town of Hempstead, Long Island)?

About $25,700 est.[1,2,3] before incentives for a 6.6 kW est.[1,2] system, using New York's median installed price of $3.90 per watt est.[3]. Get at least three written quotes; prices for the same system often differ by thousands of dollars.

How does PSEG LI pay for solar I send to the grid?

PSEG LI uses LIPA net metering for Mass Market projects (post-2018) with Customer Benefit Contribution: exported energy offsets what you buy at the retail rate, with details on our New York net metering page.

How long is the payback for solar in Hempstead (Town of Hempstead, Long Island)?

Our model estimates about 9 years est.[1,2,3,4] for a cash purchase, with year-one savings of about $2,090 est.[1,2,4]. Financing, a battery or a different rate plan changes this; the calculator lets you test each.

sources

[ 11 ]

Every number on this page links to one of these sources. Dates show when we last checked each one.

  1. NREL/NLR PVWatts v8 (1 kW-DC, fixed roof mount, 20° tilt, south-facing, 14% losses, TMY weather)pvwatts.nlr.gov · checked Nov 5, 2026
  2. EIA Electric Sales, Revenue, and Average Price 2024, Table 6: Utility bundled retail sales, residentialeia.gov · checked Nov 5, 2026
  3. U.S. Distributed Solar and Storage 2026 Data Update (Barbose, Darghouth, O'Shaughnessy, Forrester), Berkeley Labeta-publications.lbl.gov · checked Nov 5, 2026
  4. PSEG LI: LIPA net metering for Mass Market projects (post-2018) with Customer Benefit Contributionlipower.org · checked Nov 5, 2026
  5. PSEG LI: Battery incentivenyserda.ny.gov · checked Nov 5, 2026
  6. Hempstead (Town of Hempstead, Long Island): Permittingecode360.com · checked Nov 5, 2026
  7. Hempstead (Town of Hempstead, Long Island): Property tax exemptiontax.ny.gov · checked Nov 5, 2026
  8. Public Law 119-21 - Sec. 70513(a) and (g)(5) (48E); Sec. 70512(a) and (l)(4) (45Y)govinfo.gov · checked Nov 5, 2026
  9. NY Tax Law 606(g-1) (NYS Open Legislation)nysenate.gov · checked Nov 5, 2026
  10. NY Real Property Tax Law 487nysenate.gov · checked Nov 5, 2026
  11. NY Tax Law 1115(ee)nysenate.gov · checked Nov 5, 2026

City data last re-checked November 5, 2026.