MCS is the UK’s quality mark for small-scale renewable energy technologies like solar PV, solar heating, heat pumps, biomass, and battery storage.

Joined March 2019
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Earlier this week, the @energygovuk formally recognised the redeveloped MCS Installer Scheme, and the strong consumer protections it provides, as a Code of Practice for the Boiler Upgrade Scheme (BUS).
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As a result, installers certified under the redeveloped Installer Scheme are no longer required to hold consumer code membership when carrying out installations funded through the BUS.
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This is a significant milestone for MCS and everyone involved in delivering the Scheme, demonstrating government support for the robust consumer protections that we have introduced through the redeveloped installer Scheme.
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Our Market Development Director, Dan, will be speaking at the Westminster Insight’s Future Homes Standard Conference on Tuesday 14 July in London. 🎟️Get your tickets, and use code SPKR5277 for 20% off here: bit.ly/4dYb5ht
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MCS has launched a free interactive e-learning platform packed with everything you need to know about certification - from how it supports your business to the steps to becoming certified. 🔗Start your certification journey today: bit.ly/4sMDKtX
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From 1 June, changes to permitted development rights (PDR) for air source heat pumps in Wales will allow you to install: •Within 1m of the boundary •Units up to 1.5m³ •Two units for detached homes •Air-to-air heat pumps under PDR 🔗bit.ly/4nEhste @WelshGovernment
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The UK has surpassed 2.5 million MCS certified installations nationwide, a huge milestone for small-scale renewables! 🔗Explore more UK small-scale renewable data on the MCS Data Dashboard: bit.ly/40Hb3R8
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MCS retweeted
Energy Unwrapped Podcast LIVE on Stage at the Heat Pump Show, Newark, April 2026. Topic in discussion: The Holy Trinity (solar, batteries and a heat pump) With @solarwholesaler @Simon_Heatio @MCSCertified Like and Subscribe! 😃 youtube.com/watch?v=oYCfUwEJ…
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What it means to be certified under the redeveloped MCS Installer Scheme.
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MCS has been working closely with @energygovuk and @ofgem to implement air-to-air heat pumps into both the Installer and Product Scheme, helping to ensure high-quality installations and effective use of funding. 🔗bit.ly/4eNlJIo
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MCS retweeted
Replying to @MCSCertified
@MCSCertified has launched a new interactive learning platform for #installers looking to become MCS certified. 💻 🔗 Find out more: roofingtoday.co.uk/mcs-launc… #roofing #solar
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Replying to @energygovuk
@energygovuk announces measures to support the switch to renewable energy. 👉bit.ly/4cGPCYq
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This includes a temporary increase to £9,000 for the Boiler Upgrade Scheme grant for homes heated by oil and LPG, an additional £100 million to the Social Housing Fund and new funding to build and expand heat pump factories in the UK.
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MCS has launched an interactive learning platform for renewable installers who are considering MCS certification. The tool is free and covers what MCS does, how certification can help your business grow, and the practical steps to becoming certified. 🔗bit.ly/4sMDKtX
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We have published an update to the MCS Heat Load Calculator, strengthening alignment with BS EN 12831-1:2017 and supporting compliance with MIS 3005-D and MIS 3004. The latest release introduces a range of improvements. 🔗 bit.ly/3NYr44D
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Wishing you an Egg-cellent Easter!🐣🐰 Please note the changes to our Customer Support Helpdesk opening hours over the Easter period. The telephone lines will close at 6.00pm on Thursday 2 April, and will reopen at 8.00am on Tuesday 7 April. #Easter #HappyEaster #Helpdesk
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The amount of MCS certified installations registered throughout 2025 could generate enough electricity to save 325,812,812 kg of CO₂ - enough energy to power 111,541,530,921 minutes of social media scrolling. That’s over 212,000 years of scrolling!
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Today, @energygovuk announced details of the Future Homes Standard, which will mean that, from 2028, new homes in England will have solar panels by default, as well as low-carbon heating systems like heat pumps. Read more: bit.ly/4d8b62k
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It takes 1,829,692,661 kWh of electricity to power the London Underground for a full year. The estimated annual generation of MCS certified installations in 2025 was 1,840,750,249 kWh - enough to cover that entire demand. 🔗bit.ly/4rBPwHu @TfL @londoncouncils
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