Experts in distributed generation grid connections

Shaping the power supply and grid infrastructure systems of the future

We design and build safe, reliable and cost-effective high-voltage connections to the national electricity grid. Our strength comes from our focus, which is exclusively on power generation and energy projects.

Connection services

We deliver ICP grid connections for power generation and energy projects at voltages up to 132kV. We have connected, or are currently working on, over 1,400MW of power generation for energy storage, STOR, solar, wind and energy from waste.

We are fully accredited to carry out contestable Design and Construction works at voltages up to and including 132kV.


EPC Contractors

As EPC (Engineering, Procurement and Construction) Contractors, we have been responsible for the construction of 486MW of STOR and Capacity Market projects, with a further 530MW in the development pipeline. We are now applying our expertise in this area to the build out of embedded energy generation and battery energy storage.

Our markets

We operate in a diverse range of markets, supporting a number of different technologies for both the transmission network and distribution networks. With an enviable track record of sites built on time and on budget, find out more about the sectors we support.


Site overview

Our sites cover the UK and we have recently expanded into Ireland. Use the map below to find out more about our projects and coverage.

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Contact us

Telephone: 01934 411 233

Gold RoSPA AwardOur Gold RoSPA Award reflects our commitment to achieving the highest standards of health and safety management.

Lloyds Register AccreditedGreen Frog Connect are accredited by Lloyd’s Register as an Independent Connections Provider (ICP).

Certificate Number 14330
ISO 9001, ISO 14001, ISO 45001