AlliantEnergy

Clean Energy Specialists

Alliant Energy
Updated for 2025

UK Government Grants

Up to £12,000+ in solar grants confirmed.

Following the King's Speech and the £13.2bn Warm Homes Plan, thousands of UK households can now access funding for solar panels and batteries — are you eligible?

UK homes with solar panels

Available funding

UK solar grants & schemes.

ECO4 (Energy Company Obligation)

Free installation

If your household income is below £31,000 or you receive certain benefits, you may qualify for a fully-funded solar and battery install under ECO4.

Who qualifies

  • Low-income households
  • Benefits recipients
  • Private renters & social housing
  • Poor EPC rating (D or below)

Warm Homes Plan

Up to £15,000

The UK government's flagship energy scheme offers grants and 0% interest loans for insulation, heat pumps and solar panels for qualifying households.

Who qualifies

  • Households with EPC D–G
  • Income-qualified homeowners
  • Renters with landlord consent
  • Social housing tenants

Great British Insulation Scheme

Up to £1,500

Funding for insulation measures which often work alongside solar to maximise your savings — reducing the solar system size needed.

Who qualifies

  • EPC D or below
  • Council tax band A–D
  • Means-tested benefit recipients

0% VAT on Solar

Save ~20%

All domestic solar panel and battery installations are currently zero-rated for VAT — saving you around 20% compared to other home improvements. Confirmed until at least March 2027.

Who qualifies

  • All UK homeowners
  • No income test
  • No property test
  • Available on all solar & battery

How it works

We handle everything.

1

Check eligibility

Complete our free online form or call us to find out which grants you may qualify for.

2

Property assessment

We carry out a free property survey to confirm eligibility and size your system correctly.

3

We handle the paperwork

Our team manages all grant applications on your behalf — you don't need to do anything.

4

Installation

Your system is installed by our MCS-certified team, typically in 1–2 days.

Find out what you're entitled to.

Our free eligibility check takes under 2 minutes. We'll tell you exactly which grants apply to your property and how much you could save.