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Tesla Powerwall 3 rebate banner showing a Powerwall unit and the message ‘Get up to £750 back on your Powerwall installation’

The Tesla Powerwall Rebate Is Here — Save Up to £750
Solar panels & Air Source Heat Pumps installed on a home in Cornwall in 2025 following Budget renewable energy updates

Budget 2025: What It Means for Solar, Heat Pumps & Home Energy Upgrades in the South West
GreenGenUK team receiving 3rd place at the 2025 Energy Efficiency Awards for Renewable Heating Installer of the Year.

GreenGenUK: Top 3 Renewable Heating Installer in the UK
myenergi eddi solar diverter installed by GreenGenUK in Cornwall to maximise solar PV savings and reduce hot water costs

myenergi eddi – Maximise Your Solar & Heat Pump Savings
Graph showing a GreenGenUK customer charging their battery overnight on Octopus Go tariff and running their heat pump on stored cheap electricity during the day.

How Batteries Can Lower Your Heat Pump Costs This Winter
Mitsubishi Electric heat pump controller showing monthly and yearly electricity consumption data.

Why SCOP Doesn’t Tell the Whole Story
GreenGenUK ranked Top 10 nationally for Boiler Upgrade Scheme installs across Cornwall, Devon, Somerset and Dorset.

GreenGenUK Ranked in the Top 10 Nationally for Boiler Upgrade Scheme Installs
Tesla Premium Certified Installer logo – GreenGenUK Cornwall & Devon

GreenGenUK is a Tesla Premium Installer

Air Source Heat Pump FAQ’s

Tesla Powerwall 3 Expansion Pack – More Power, More Possibility
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  • GreenGenUK
  • Ruston House, Wheal Vrose Business Park
  • Helston, TR13 0FG
  • Helston: 01326 564513
  • Exeter: 01392 340023

Business

  • Solar Photovoltaic (PV)
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  • Solar Photovoltaic (PV)
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  • Battery Storage
  • EV Chargers
  • Tesla Powerwall 3
  • Solar Finance Options

©GreenGenUK. Solar Photovoltaics (PV), Heat pumps and Battery Installer

Address: GreenGenUK Ltd, Unit A Ruston House, Wheal Vrose Business Park, Helston, Cornwall, TR13 0FG. Registered Address: Lakeside Offices, The Old Cattle Market, Helston,TR13 0SR, Company No. 07527261. GreenGenUK Limited is an Introducer Appointed Representative (Financial Services Register No. 925308) of Hometree Finance. Hometree Finance is a trading name of HTG Finance Limited Registered in England & Wales Company No. 11357988 – VAT No. 364 6927 60 – FCA Register No. 825534 – Authorised and regulated by the Financial Conduct Authority in relation to the limited activities of entering into and administering consumer hire agreements as owner.