How Modern Solar Panels Are Making ECO4 Grants Easier Than Ever

Posted 4 July 2025

As the UK ramps up its push for more energy-efficient homes, the ECO4 scheme offers a golden opportunity for both homeowners and solar professionals. The right solar technology can unlock substantial grant funding, helping homeowners save on energy bills while enabling installers to deliver faster, more compliant retrofit solutions.
Modern solar panels are now designed with both performance and policy in mind, making it easier than ever to meet ECO4 requirements and access government support.

What is the ECO4 Grant?

The Energy Company Obligation (ECO4) scheme is a UK government initiative designed to help improve the energy efficiency of homes — particularly for low-income or fuel-poor households. Funded by major energy suppliers and running throughout 2026, ECO4 focuses on whole-house upgrades such as insulation, heating improvements, and renewable technologies like solar PV.The aim? To reduce energy bills, lower carbon emissions, and improve the overall comfort and performance of homes across the country.

What to look for in a grant-ready panel

Not all solar panels are created equal when it comes to ECO4. Whether you’re a homeowner looking to cut energy costs or a solar professional managing retrofit projects, understanding which panels qualify for grant funding can make all the difference.

Here’s what matters:

1. Government-approved innovation uplift
Some high-efficiency panels on the market are now approved under Ofgem’s ECO4 Innovation Measure, meaning they can qualify for a 25% to 45% funding uplift, depending on the setup. This added support can significantly increase the value of a solar install under the scheme.

2. High efficiency and output
Panels that deliver strong wattage and perform reliably in low-light conditions help improve a home’s EPC (Energy Performance Certificate) rating — a key metric for ECO4 eligibility. The more efficient the panel, the more support a homeowner or installer can unlock.

3. MCS certification & long warranties
To qualify for ECO4, solar systems must meet strict standards like MCS certification. Many modern panels now offer this certification along with extended 25- to 30-year warranties, ensuring lasting value and grant compatibility.

4. Seamless integration with other upgrades
ECO4 projects are often whole-home solutions — solar is just one part. The best panels today are built to integrate easily with battery storage, low-carbon heating, and insulation, helping installers deliver full-scope upgrades with minimal friction.

5. Ethical sourcing and local support
For both installers and homeowners, working with manufacturers who offer ethical, transparent sourcing and UK-based support adds a layer of trust, especially in retrofit programmes funded by public schemes.

A smart choice: Anglo Solar’s ECO4-ready solutions

One provider leading the way is Anglo Solar, whose latest panels meet all the above criteria and more.
Their 435 W TOPCon N-Type panels come MCS-certified, include built-in Tigo optimisers, and are officially approved under Ofgem’s ECO4 Innovation Measure. That means:

  1. A 45% funding uplift when connected online
  2. A 25% uplift without internet
  3. All with a 30-year UK-backed warranty and flexible integration for full-home projects.

Anglo Solar also maintains strong ethical manufacturing partnerships and offers trusted UK-based support, making it a reliable choice for installers and a confident one for homeowners.

Their products are available through key UK distributors like Phase Renewables and CEF, and can be added directly to your OpenSolar proposals.

 

Ready to take advantage of ECO4 funding?

Visit Anglo Solar’s ECO4 website to explore their full specs, or speak to your installer about including them in your next retrofit project.

You can also use Anglo Solar’s panels directly in your OpenSolar proposals, whether you’re designing for your own home or for a client. Create your free OpenSolar account today and simplify your next ECO4-ready install.