Construction
Network UK

Tethys Energy

Active, accounts up to date·subcontractor & developer·Head office Reading

About from company website

Tethys Energy is a specialist solar energy company based in Reading, dedicated to providing green and energy-efficient solar solutions for homeowners. With a team of passionate professionals, they offer a comprehensive range of services including PV solar panels, solar batteries, Tesla Powerwall installations, electric vehicle charge points, and hot water storage systems. They pride themselves on a highly personalised service, ensuring each solar system is tailored to the client's specific needs and property.

What sets Tethys Energy apart is their extensive list of accreditations and certifications, combined with years of industry experience. They are a trusted leader in the renewable energy sector, offering a 100% no-quibble guarantee of workmanship on every project. Their commitment to quality is reflected in their highly-rated service on platforms like Which?

Trusted Traders and their numerous certifications, including MCS Certified, RECC, NAPIT Approved, and Tesla Powerwall Certified Installer. The company emphasizes transparency and fair pricing, ensuring customers are fully aware of costs from start to finish, with no hidden fees. They aim to provide energy independence, reduce monthly energy bills, and contribute to a cleaner environment by helping homeowners harness solar power.

Tethys Energy offers a complete solar energy system installation and maintenance service, including fault finding and repair, for those looking to power their homes more sustainably.

Services

Works as

Sectors

Accreditations from company website

  • MCS
  • Tesla Powerwall Certified Installer
  • RECC
  • Which Trusted Trader
  • NAPIT

Similar companies

All solar pv installers in Reading →

Is this your company?

This profile was compiled from public records. Claim it to add the things buyers ask for:

  • Services and specialisms in your own words
  • Accreditations and insurance, with cover levels
  • Areas you cover and how far you travel
  • Typical project size and contract types
  • Recent projects with photographs
  • Capability statements and brochures to download
  • Plant and in-house trades you own
  • Who to contact for enquiries and tenders
Claim this profile

Questions about Tethys Energy from the record on this page

What does Tethys Energy do?

Reading's trusted solar panel installers offering solar panels, batteries, Tesla Powerwall & EV chargers. Get a free quote today. Their listed services include Solar PV and EV charging.

Where is Tethys Energy based?

Tethys Energy is registered at 9 Queen Annes Gate, Caversham, Reading, RG4 5DU, in South East.

What areas does Tethys Energy cover?

Tethys Energy states that it works across Reading and Berkshire.

How many people work at Tethys Energy?

Accounts filed for the year to 2025 report 4 employees, which places the company in the 1-9 employees band.

What is Tethys Energy's turnover?

Tethys Energy does not disclose turnover: UK small-company accounts are not required to. Based on creditors in its filed accounts, turnover is likely to fall between £230k and £910k. This is an estimate, not a filed figure.

Is Tethys Energy still trading?

Companies House lists Tethys Energy as active, with accounts most recently made up to 2025-12-31.

What accreditations does Tethys Energy hold?

Tethys Energy displays MCS, Tesla Powerwall Certified Installer, RECC, Which Trusted Trader and NAPIT on its website.

What sectors does Tethys Energy work in?

Tethys Energy works in Residential and Energy.

When was Tethys Energy established?

Tethys Energy was incorporated on 2013-12-23.

Live project visibility for contractors

Track budgets, committed costs, invoices and profitability in one place, so cost issues show up before they turn into margin surprises.