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
SMART ENERGY
GROUP
Empowering homes, businesses, and communities
We connect UK households to affordable home upgrades and support organisations and housing providers with smart, cost-effective energy and decarbonisation solutions.
🏆 As featured in the South Wales Argus. Named Wales’ fastest growing firm and fastest growing green company (2025) Read the full article here.
HOME SERVICES
Cut energy bills, lower your carbon footprint, and boost your home’s value with renewable energy upgrades - funded or paid - for homeowners and tenants.
COMMERCIAL SERVICES
From commercial buildings to hospitality, help your business cut energy costs and operate more sustainably. We will guide you through every step of the way.
ENERGY SWITCHING
Whether you’re a business seeking more affordable energy providers or an energy supplier looking to reach new customers, Smart Energy Switch can help connect both sides.
AFFORDABLE HOUSING
Transform your housing stock with smart, sustainable energy solutions. Partner with us to reduce energy costs and carbon footprints, creating more sustainable homes.
ZERO BILLS HOMES
Installed by Smart Energy Group. Backed by Octopus Energy.
We don’t just install products. We design homes that can achieve £0 energy bills for up to 10 years under the Zero Bills standard.
Solar. Heat pump. Battery. One intelligent system.
ABOUT US
Introduction to Smart Energy Group
We are a proud family-run business with a passion for innovation and sustainability. Recently, we were honoured as the 3rd fastest growing firm in the UK, the Fastest Growing Firm in Wales, and the Fastest Growing Green Firm, reflecting our commitment to excellence and growth in the renewable energy sector.
With years of experience and expertise, we provide both domestic and commercial customers across Wales & England with a comprehensive range of smart energy solutions. From cutting-edge renewable technologies to tailored energy efficiency advice, we combine professional knowledge with a personal, trustworthy service. At our core, we believe in delivering solutions with integrity, reliability, honesty, and professionalism – ensuring that every project we undertake not only meets, but exceeds, our customers’ expectations.
AREAS WE COVER
Delivering Domestic and Commercial Energy Solutions Across Wales and England
Whether you’re looking for air source heat pumps, solar panels, boiler replacements, battery storage or commercial upgrades, our MCS-accredited engineers deliver safe, efficient, and energy-saving installations tailored to your property.
From modern new builds to older homes and commercial properties, our expert team ensures every installation meets the highest standards while helping you access government grant schemes, including the Boiler Upgrade Scheme.
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.
UK'S FIRST COSY HEAT PUMP INSTALLER
Smart Energy are proud to be the UK’s first accredited installer of the Octopus Cosy heat pump series. This innovative system delivers high efficiency and affordable low-carbon heating. As a Trusted Partner of Octopus Energy, we’re excited to help bring cleaner, smarter heating to households across the UK
SPREAD THE COST!
We believe everyone should have the opportunity to improve their home’s energy efficiency. That’s why we offer flexible finance options to help spread the cost of renewable upgrades, including solar panels, modern heating systems, and more. For further details, speak with a member of the Smart Team today. 9.9% APR Representative.
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
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.
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