About Stellar Energy UK LTD
Powering the UK’s Energy Future
Stellar Energy UK LTD is an award-winning retrofit and decarbonisation specialist, delivering high-quality energy solutions across the UK at scale.
From solar panels and battery storage to insulation and air source heat pumps, we provide a complete, end-to-end service — making us a true one-stop shop for energy efficiency and renewable upgrades.
With thousands of successful installations completed, our reputation is built on quality workmanship, compliance, and measurable results.
Proven Experience. Trusted Delivery.
Stellar Energy has played a key role in delivering large-scale retrofit programmes, working closely with major industry partners including E.ON Energy Solutions under the ECO4 scheme.
Our expertise spans:
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Domestic retrofit installations
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Large-scale social housing upgrades
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Commercial solar and heating systems
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Full-house energy efficiency improvements
Every project is delivered in line with PAS 2030 / PAS 2035 standards, ensuring compliance, safety, and long-term performance.
Driving Decarbonisation Across the UK
We are proud to be actively working alongside local authorities and social housing providers, helping to decarbonise:
Our mission is simple:
👉 Reduce carbon emissions.
👉 Lower energy costs.
👉 Future-proof buildings for generations to come.
Built for Scale. Focused on Quality.
What sets Stellar apart is our ability to deliver at both volume and precision.
With a highly experienced internal team and a trusted network of installers, we ensure:
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Fast, efficient project delivery
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Strict quality control and compliance
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Seamless customer experience from start to finish
Our in-house submission and compliance team ensures every project meets funding and regulatory requirements — reducing delays and maximising success rates.
Innovation Meets Real-World Results
At Stellar, we don’t just install systems — we design intelligent energy solutions focused on:
Through our continued expansion into solar, battery storage, EV charging, and smart energy systems, we are helping homeowners, businesses, and public sector organisations transition to a cleaner, more efficient future.
The Stellar Vision
We believe energy should be:
✔ Affordable
✔ Sustainable
✔ Accessible to all
And we’re on a mission to make that a reality — one property at a time.
Ready to Work With a Trusted Energy Partner?
Whether you’re a homeowner, landlord, housing provider, or local authority — Stellar Energy is ready to deliver.
Join thousands across the UK who trust Stellar to power their transition to a smarter, greener future.
