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Business Details
17 Years
experience
Trusted Solar Panel and Battery Installation Services in Devon
Totnes Energy is a solar panel installer based in Totnes, Devon, with a strong reputation for delivering bespoke solar energy solutions since 2009. We specialise in systems tailored to shaded environments using optimisers, alongside pioneering electric car charging, battery backup, and AI-driven energy management. Our team has installed the first Tesla Powerwall in the UK and continues to lead in innovative solar technologies. We prioritise environmental responsibility by operating within a 60-mile radius using hybrid vehicles and running our offices on renewable energy.

Our 5-year workmanship warranty, guaranteed by an independent insurer, underscores our commitment to quality and customer satisfaction. With a focus on technical expertise and a passion for sustainable energy, we guide clients from initial consultation to post-installation support, ensuring seamless integration of solar systems into residential and commercial properties.
Services
Solar panel installation Battery storage Electric car charging Power diversion systems Energy management
Details
  • Year established: 2009
Highlights and features
  • Experienced local installer with technical expertise in solar energy since 2009.
  • Pioneered the first Tesla Powerwall installation in the UK.
  • 5-year workmanship warranty guaranteed by an independent insurance company.
  • Skilled teams delivering consistent quality and innovative energy solutions.
  • Committed to environmental sustainability through low-impact operations.
What people say
5 Star service Highly knowledgeable engineer Excellent helpful service Superb job Fantastic job
Services
Solar panel installation
We design and install custom solar photovoltaic systems tailored to residential and commercial properties. Our expertise includes optimising installations for shaded environments using advanced panel technologies. Systems integrate seamlessly with existing infrastructure, reducing energy bills while maximising renewable energy generation.
Battery storage
Our lithium-ion battery solutions store excess solar energy for evening and overnight use. Compatible with leading brands like Tesla and SigEnergy, these systems ensure energy independence and grid resilience. Installation includes wall-mounted units and smart management integration.
Electric car charging
We provide automatic solar-powered electric vehicle charging solutions. Systems integrate with smart grids and solar inverters to prioritise renewable energy use. Features include app-controlled scheduling and grid fallback for guaranteed charging completion.
Power diversion systems
Our solar power diverters channel excess energy to hot water tanks, batteries, or appliances. Solutions include immersion controllers and smart sockets that optimise energy use patterns, reducing grid export and maximising self-consumption.
Energy management
AI-driven systems analyse weather data and usage patterns to optimise energy distribution. Features include load management during power cuts and dynamic tariff integration, ensuring maximum efficiency and cost savings through intelligent automation.
People
Andrew Collenette
Director
Andrew founded Totnes Energy after sailing the globe using renewable energy systems. A Chartered Accountant with technical expertise, he pioneered the UK's first Tesla Powerwall installation in 2016. His leadership combines financial acumen with hands-on engineering experience.
Questions
What solar services do you offer?
We provide solar panel installations, battery storage solutions, electric car charging systems, and energy management technologies tailored to residential and commercial properties.
Which areas do you cover?
We operate within a 60-mile radius of Totnes, serving Devon and Cornwall with low-impact installation practices.
How long does installation take?
Most residential installations complete within 1-2 days, with commercial projects scheduled according to system complexity and client requirements.
What warranties do you provide?
We offer a 5-year workmanship warranty guaranteed by an independent insurance company, alongside manufacturer warranties for equipment.
Can you help with Feed-in Tariff paperwork?
Yes, we handle all Feed-in Tariff administration processes for clients, ensuring complete regulatory compliance and documentation support.
Do you offer energy storage solutions?
We install compatible battery systems including Tesla Powerwall, SigEnergy, and Dyness units with smart energy management integration.
Reviews (1)
Julie Caldwell
Oct 24, 2015 Report
Totnes Energy have done a superb job fitting a 15 panel system to our challenging roof shape. The team were highly professional, hard working and very helpful & friendly. We have obtained a high quality system at an extremely competitive price and can't fault the workmanship or service. The whole process was made effortless with Andrew's assistance helping us through all the technical aspects. We would not hesitate to highly recommend Totnes Energy. Thanks for a great job.