Wales’ Solar Mandate
From March 2027, Wales will require renewable electricity generation in every new‑build home - effectively making solar the go‑to choice for developers. Published: March 17, 2026
‘Zero Bills Homes’ for every type of home
Most homeowners start with solar or a heat pump, but the biggest savings come when everything works together.
The Zero Bills Homes initiative is the world-first smart tariff by Octopus Energy, helping you live in comfort with no home energy bills, guaranteed for up to 10 years. Smart Energy Homes installs and integrates the solar panels, battery, and heat pump, and Octopus Energy optimises the technology. With expert design, professional installation, and ongoing support, it makes Zero Bills home a reality.
Start your Zero Bills Homes journey
Whether you're upgrading an existing home or planning a new build, Octopus Energy's Zero Bills Homes solution can help. Choose the path that fits your project and see how we can deliver homes with no energy bills.
Existing Homes
Are you looking to achieve £0 energy bills in an existing home? No problem - we can help.
New Build Homes
Are you looking for £0 energy bills support on a new build home? Our expert team are ready to help.
LEARN MORE ABOUT ZERO BILLS HOMES
“Zero Bills gives you stability. You can plan, without having to worry about big, big bills. You’re helping yourself, you’re helping the planet. It’s a win-win, all round.” Fraser, Octopus Energy Zero Bills customer, Walthamstow
get started
Take advantage of energy efficient measures and Octopus Energy tariffs to design a home that could reduce or eliminate energy bills completely. Installed by Smart Energy Homes, Powered by Octopus Energy.
Important information about Zero Bills
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Fair Use Allowance: Zero Bills applies to typical home energy usage up to approximately double your expected annual electricity consumption.
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EV Charging: Electric vehicle charging is billed separately and is not included in Zero Bills.
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Guarantee Length: Zero Bills guarantees apply for 10 years.
Fair usage limits, terms and exclusions apply. Visit octopus.energy/zero-bills-home for more information.
DON'T JUST TAKE OUR WORD FOR IT
"How to Reduce Your Energy Bills...
Or Even Pay Nothing At All The winter heating season is looming and finances remain strained, but UK homes are getting the chance to cut energy bills, or even pay nothing at all, by effectively becoming mini power plants."
"Octopus launches clean energy scheme
with no bills for householders Power supplier and home builder say renewable power plan will transform UK market"
"Thousands of new homes will pay £0 energy bills
with Octopus Energy The 'Zero Bills' scheme sees houses get green technology installed such as a heat pump, solar panels, smart meter and home battery, then sign up to Octopus's Zero energy tariff."
AREAS WE COVER
Wales – covering all regions including South Wales, Mid Wales, North Wales, and West Wales.
South West England – including the Bristol & Bath area, Gloucestershire & The Cotswolds, Somerset & Taunton, and Wiltshire & Swindon.
Wider West & Midlands – reaching parts of Herefordshire, Worcestershire, and surrounding areas.
QUALITY YOU CAN TRUST
Octopus Zero Bills Homes with Smart Energy Homes
Octopus Energy has launched a mission to build 100,000 “Zero Bills” homes by 2030, where houses equipped with solar panels, batteries and heat pumps generate and store their own clean energy so residents pay zero home energy bills for at least five to ten years. Published: February 26, 2026
Boiler Pressure Explained
Boiler pressure plays a key role in keeping your heating system running safely and efficiently. Learn what it should be and how to fix common pressure issues. Published: January 27, 2026
Boiler Replacement: Guide for Homeowners
Old or unreliable boiler? Discover when it’s time to replace it and how a modern system can improve efficiency and comfort. Published: January 27, 2026
Boiler Installation Costs & Ways to Pay
Discover how much a new boiler costs and explore flexible payment options to suit your budget, including monthly finance plans. Published: January 27, 2026
Solar Panels & Heat Pumps in 2026: A Guide to a Smarter Home
Thinking about solar panels or heat pumps? This complete 2026 guide from Smart Energy Homes explores how renewable energy systems, battery storage, and energy-efficient heating work together to reduce costs and carbon emissions. Published: December 10, 2025
Tackle High Energy Bills with Scott Quinnell
At Smart Energy Homes, we know that success is all about teamwork. And who better to demonstrate this than rugby icon Scott Quinnell? In our latest video, Scott brings his legendary coaching style to the world of energy efficiency. Published: March 27, 2025
Climabead – Cavity Wall Insulation
When it comes to insulating cavity walls, Climabead is the clear choice, known for its innovative approach to energy efficiency and home comfort.
Wales’ Solar Mandate
From March 2027, Wales will require renewable electricity generation in every new‑build home - effectively making solar the go‑to choice for developers. Published: March 17, 2026
Landlords, are you ready for 2030 energy standards?
The 2030 EPC deadline is coming. Discover how Landlords can access free energy upgrades, increase property value, and avoid future fines.