
Fastned - EV Charging Client Spotlight
Case study on EV charging infrastructure provided by Sinewave.
Client · Fastned

Sinewave Energy Solutions Ltd · Company 09585850
Active, accounts up to date·engineer & consultant & main contractor & subcontractor·Head office Swindon
Sinewave is a specialist electrical engineering firm providing end-to-end solutions for infrastructure networks across the UK. As an accredited Independent Connection Provider (ICP) by Lloyd's through the National Electricity Registration Scheme (NERS), they offer comprehensive services covering the full lifecycle of infrastructure projects, from design and consultancy to construction, testing, operations, and maintenance. They handle high voltage and low voltage electrical services nationwide, offering turnkey solutions for electrical challenges up to 400kV.
With a strong commitment to people and planet before profit, Sinewave is the only ICP globally to be awarded B-Corp certification. They invest heavily in training and development through the Sinewave Academy, supporting their own people and businesses within the Southwest. Their services extend to civil engineering, including groundworks, excavation, and cable laying, as well as HV & LV network design and construction, system upgrades, and substation installations.
Sinewave works across various projects including EV charging, renewable energy sites, data centres, and industrial projects. They manage the entire process from procurement to installation and long-term maintenance, providing a single point of contact for clients. Their approach ensures projects are delivered on time and on budget, meeting all legislative and engineering requirements while integrating into the DNO's local network.

Case study on EV charging infrastructure provided by Sinewave.
Client · Fastned

London
Energisation project for London Battersea Bus Depot.

Replacement of LV switchboard and transformer based on an inspection report.

Penwortham
Expansion project to double the site's capacity, maximising the existing grid offer. Executed a rigorous 11-week programme.

Sinewave appointed to deliver a battery energy storage project in partnership with Gresham House.
Client · Gresham House

Partnership focused on commercial waste management and tracking.
Client · Recycling Lives Services

Long-standing partnership delivering EV charging infrastructure projects across the UK.
Client · InstaVolt

Project involving planning, structuring, and organizing electrical engineering works for Samuel Ryder Academy.
Client · Samuel Ryder Academy

Retrofit and system upgrade for a residential property, including electric charging installation.
Fastned, Gresham House, Monet's Garden Battery Energy Storage, Recycling Lives Services, InstaVolt, Samuel Ryder Academy.
This profile was compiled from public records. Claim it to add the things buyers ask for:
Sinewave is a specialist electrical engineering firm providing expert design and consultancy, grid connection solutions, EV charging infrastructure, engineering construction, testing, operations, and maintenance services. Their listed services include Electrical, Utilities, Civil engineering, EV charging and Design & build.
Sinewave Energy Solutions Ltd is registered at Unit B1 Kembrey Street, Elgin Industrial Estate, Swindon, SN2 8UY, in South West.
Sinewave Energy Solutions Ltd states that it works across Nationwide.
Accounts filed for the year to 2023 report 64 employees, which places the company in the 10-49 employees band.
Sinewave Energy Solutions Ltd does not disclose turnover: UK small-company accounts are not required to. Based on trade debtors in its filed accounts, turnover is likely to fall between £20.0m and £52.0m. This is an estimate, not a filed figure.
Companies House lists Sinewave Energy Solutions Ltd as active, with accounts most recently made up to 2025-05-31.
Sinewave Energy Solutions Ltd displays NERS and B-Corp Certified on its website.
Sinewave Energy Solutions Ltd works in Infrastructure, Energy, Commercial and Public.
Sinewave Energy Solutions Ltd was incorporated on 2015-05-12.
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