Solar incentives 2026: US, UK, EU and India compared

In 50 words: Solar incentives in 2026 differ sharply by market. US homeowners who buy get no federal tax credit for systems installed after 2025, so state rebates and net metering now matter most; the UK offers 0% VAT plus export payments, the EU national grants and reduced VAT, and India the PM Surya Ghar subsidy.

Solar incentives are often the difference between a 12-year payback and a 7-year one, so understanding what's available where you live is as important as choosing the panels. In 2026 the picture has split: the UK, EU and India keep meaningful programmes, while the US federal homeowner credit ended on December 31, 2025. This guide compares solar incentives in the US, UK, EU and India, explains the main types (tax credits, grants, net metering, export tariffs and VAT relief), and shows how to claim and stack them for the biggest saving.

1. The main types of solar incentive

Solar incentives come in a handful of forms, and most markets use several at once:

• Tax credits — a percentage of your system cost deducted from income tax. The US 30% homeowner credit was the best-known example until it ended for systems installed after 2025.
• Grants and rebates — direct cash toward the install (e.g. India's PM Surya Ghar, many EU national grants).
• Net metering / net billing — you offset imports with exports at retail (net metering) or market (net billing) value.
• Export tariffs / feed-in — payment for surplus power you send to the grid (e.g. the UK's Smart Export Guarantee).
• VAT / tax relief — reduced or zero sales tax on solar (0% in the UK, reduced rates across the EU).
• Accelerated depreciation — for businesses, writing off the asset quickly against tax.

Knowing which apply to you — and which stack — is what turns a good solar investment into a great one.

2. Solar incentives at a glance (by market)

The rest of this guide details each. For how incentives feed into payback, see are solar panels worth it in 2026?.

3. United States: the federal credit ended, state programmes remain

Until 2025 the cornerstone US incentive was the Residential Clean Energy Credit (25D), worth 30% of system cost including a paired battery. Public Law 119-21 ended it early: the IRS says the credit is not allowed for expenditures made after December 31, 2025, and an expenditure counts as made when installation is completed. A system installed in 2026 gets no federal credit, even if it was paid for in 2025.

One federal route remains. With a lease or PPA, the solar company owns the system and can claim the commercial clean electricity credit (section 48E); you benefit only if it is passed through as a lower payment. For most new solar leases the system must be in service by December 31, 2027. Compare the options with our solar lease vs buy calculator. What still applies to buyers:

• State and utility rebates — vary widely; some states add cash rebates or performance payments.
• SRECs (Solar Renewable Energy Certificates) — tradeable credits in some states that pay you per MWh generated.
• Net metering — still generous in many states, though California's NEM 3.0 cut export value sharply, pushing Californians toward batteries (see best home battery 2026).

With the federal credit gone, the state you live in now decides most of your incentive value. Check your state energy office and utility before signing.

4. United Kingdom: 0% VAT and the Smart Export Guarantee

The UK's solar incentives are leaner than the US but still meaningful:

• 0% VAT on residential solar panels and batteries fitted with solar (down from 5%), an immediate ~20% saving versus standard-rated goods.
• Smart Export Guarantee (SEG) — suppliers must pay for exported surplus, typically 5-15 p/kWh in 2026, with better rates on some time-of-use tariffs.
• ECO schemes — targeted support for lower-income or less-efficient homes.

There's no broad UK grant for typical owner-occupiers, so the value is in the VAT relief plus export income — see solar panel cost UK 2026.

5. European Union: grants and reduced VAT

EU solar incentives are set nationally, so they vary by country, but the common threads in 2026 are reduced VAT and national grants under the bloc's heating-and-power decarbonisation push:

• Reduced/zero VAT on residential solar in many member states.
• National grants — e.g. Italy's detrazione tax deductions, France's prime à l'autoconsommation, Poland's Mój Prąd, Germany's 0% VAT and KfW finance.
• Net billing / feed-in — country-specific export compensation (e.g. Spain's compensación simplificada).

Because the schemes differ so much, check your country's programme — our country guides cover several, e.g. Poland solar market 2026 and UK solar market 2026.

6. India: PM Surya Ghar subsidy

India's flagship residential solar incentive is PM Surya Ghar Muft Bijli Yojana, a central subsidy that pays a fixed amount per kW for rooftop solar (tiered, with a cap), aimed at putting solar on tens of millions of homes. Alongside it:

• State subsidies — several states add their own top-ups.
• Net metering — under state DISCOM rules, letting households offset consumption.
• Accelerated depreciation — for commercial and industrial buyers, a major tax incentive that speeds payback.

These combine to make Indian residential solar payback among the fastest globally — see PM Surya Ghar Yojana complete guide 2026 and solar panel cost India 2026 complete guide.

7. Australia and other markets

Australia has long offered some of the world's most effective solar incentives, which (with high power prices and strong sun) give it the fastest paybacks anywhere:

• STCs (Small-scale Technology Certificates) — an upfront discount on the system, scaled to expected generation, that steps down over time.
• State rebates and interest-free loans — varying by state.
• Feed-in tariffs — state-set payments for export, now modest, which is pushing Australian buyers toward batteries.

Many other markets (Japan, South Korea, Brazil, the Gulf) run their own mixes of feed-in, net metering and capital subsidy.

8. How to claim and stack solar incentives

• Confirm eligibility before you buy — incentives often require certified installers (e.g. MCS in the UK) or specific equipment.
• Stack what's allowed — a tax credit, a state rebate and net metering can often all apply to the same system; grants sometimes reduce the base for a tax credit, so check the order.
• Keep documentation — invoices, certificates and commissioning dates are needed to claim.
• Mind the timing — tax credits are claimed for the year the system is placed in service; grants may have application windows or limited budgets.
• Use a reputable installer — they usually handle the paperwork for upfront incentives (STCs, grants) and advise on the rest.

Stacking correctly is what produces the headline 20-40%+ reduction in net cost.

9. What to watch next in 2026

• US state backfills — whether states expand rebates now that the federal homeowner credit has ended, and the December 31, 2027 in-service deadline for most new solar leases.
• Net-metering reform — more markets shifting from net metering to net billing, raising battery value.
• Grant budgets — popular grants (e.g. India's PM Surya Ghar, EU national schemes) can exhaust annual funding.
• VAT changes — reduced-VAT measures that may be extended or expire.
• Battery incentives — growing, as governments target storage alongside solar.

10. Frequently asked questions

What solar incentives are available in 2026?

Depending on your country: US state rebates, SRECs and net metering (the federal homeowner credit ended after 2025), 0% UK VAT plus export payments, EU national grants and reduced VAT, India's PM Surya Ghar subsidy, and Australia's STC discount — often stackable with net metering or export tariffs.

How much can solar incentives save me?

Commonly 20-40% or more of system cost when stacked in markets with grants or VAT relief. In the US, savings now depend mostly on state rebates and how your utility credits exported power.

Is there a US solar tax credit in 2026?

Not for homeowners who buy. The 30% Residential Clean Energy Credit does not apply to systems installed after December 31, 2025. Leased and PPA systems can still earn the provider a commercial credit, and state incentives continue.

Does the UK have a solar grant?

Not a broad grant for typical owner-occupiers, but residential solar and batteries carry 0% VAT, and the Smart Export Guarantee pays for exported surplus.

What is PM Surya Ghar?

India's central residential rooftop-solar subsidy, paying a fixed amount per kW (tiered, capped), alongside state subsidies and net metering — giving Indian solar very fast payback.

Can I claim more than one solar incentive?

Usually yes — tax credits, rebates and net metering often stack on the same system, though a grant can sometimes reduce the base used for a tax credit. Check the rules and order in your market.

Will solar incentives end soon?

Some already have (the US homeowner credit ended after 2025), others step down on a schedule (e.g. Australia's STCs), and grant budgets can run out, so if a programme is available now, claiming sooner rather than later usually pays.