AUTHOR

David Lewis

Renewable Energy Content Consultant

David Lewis

Creating practical, expert content that makes renewable energy technologies clear, credible, and easy to understand.

David Lewis is a renewable energy and electric vehicle (EV) specialist and cleantech writer covering solar panels (solar PV), home battery storage, EV charging, heat pumps, and home electrification.

He has held leadership roles in renewable energy companies and founded Cleantech Content and Electric Car Home, focused on helping homeowners and businesses understand the clean energy transition.

David holds a Postgraduate Diploma in Renewable Energy from Heriot-Watt University and has worked as Head of Narrative & Content at Infinity Energy Services, translating complex technical topics into clear, practical guidance.

He is an Oxford graduate with executive training from IMD.

Written by David

Practical guides and local insights.

Heat Pumps Commercial South West

Commercial Heat Pumps for Businesses in the South West

A practical guide for trading estate units and other small commercial premises, including suitability, grant support, running costs, and installation.

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Featured Guide Energy Costs Home Electrification

How To Survive Energy Shocks

A practical guide to protecting your household from rising energy prices with solar, batteries, heat pumps, EV charging, and smart planning.

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Solar Panels Residential Commercial

Solar Panels in Devon

A practical guide to solar in Devon, including typical costs, savings, and what to expect.

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Solar Panels Residential

Solar Panels in Bournemouth

Local guidance for Bournemouth homeowners, including costs, system sizing, and payback expectations.

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Battery Storage Residential Commercial

Tesla Powerwall 3

A straightforward overview of Powerwall, what it does well, and what to consider before you buy.

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Heat Pumps Residential

Air Source Heat Pumps in Devon

What to expect from a heat pump in Devon, including suitability, running costs, and common questions.

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Solar Panels Residential Barnstaple

Solar Panels in Barnstaple

Local guidance for Barnstaple homeowners, including solar costs, savings, installation steps, batteries, and payback expectations.

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Heat Pumps Residential Plymouth

Air Source Heat Pumps in Plymouth

A local Plymouth guide covering heat pump costs, BUS grants, suitability, installation process, and running costs.

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Solar Panels Residential Saltash

Solar Panels in Saltash

A local guide for Saltash homeowners covering costs, system sizes, savings, batteries and realistic payback expectations.

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Solar Panels Residential Newton Abbot

Solar Panels in Newton Abbot

A practical guide for Newton Abbot homeowners including installation costs, generation estimates, batteries and long-term savings.

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Featured Guide Heat Pumps Solar Panels

Heat Pump and Solar Panels

A practical guide to combining solar panels with an air source heat pump, including costs, grants, batteries, savings, suitability and year-round performance.

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Featured Guide Heat Pumps Oil & LPG

The £9,000 Heat Pump Grant for Oil and LPG Homes: A Guide for Devon, Cornwall and Somerset

A practical guide for off-grid homes replacing oil or LPG, including who qualifies, how the £9,000 grant works, and what a heat pump could cost after support.

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