Larks Green solar farm birds eye view

The UK’s first transmission-connected solar farm

National Grid energised the UK’s first solar farm to connect to a transmission network instead of a distribution network at the beginning of May 2023. Larks Green is located in Bristol and houses a 49.9MWp Solar Photovoltaics farm (152,400 solar modules), co-located with a 49.5MW/99MWh Battery Energy Storage System. The solar farm is connected to the grid through the Iron Acton substation using a 140MVA Wilson Power Transformer.

Developed by Enos Energy and Cero Generation, the project is expected to generate over 73,000MWh yearly, enough to power over 17,000 family homes annually with electricity. Moreover, the site will displace 20,500 tonnes of CO2 annually. The project's 106 hectares of land will achieve a biodiversity net gain of 25% through strengthening 9.9km of hedgerows and 9 hectares of new wildflower planting.

Sector

Renewable Energy (Solar) and Battery Energy Storage Systems

End User

Enso Energy & Cero Generation

Project

Larks Green

Capacity

49.9MW Solar PV

Location

Near Bristol

Scope of Work

  • 140/110MVA 132/33kV Wilson Power Transformer

  • 300kVA 33kV/415V Auxiliary Transformer

We supplied a Continuous Maximum Rating (CMSR 140/110MVA 132/33kV Wilson Power Transformer that weighs nearly 150 tonnes. In addition, a 300kVA 33kV/415V auxiliary transformer was installed on site. Our site team, consisting of electrical engineers and fitters, installed the transformer, fitted the cooling bank, fans, conservator, and bushings, filled the transformer with coolant, and undertook marshalling, cabling, and cold commissioning over the course of a few weeks.

Wilson power transformer and auxiliary transformer at iron acton substation on larks green solar farm
Wilson power transformer at iron acton substation on larks green solar farm

Annual site data

73000 MWh

of power generated

17000

homes powered

20500

tCO2 mitigated

Wilson power transformer at iron acton substation on larks green solar farm Wilson power transformer at iron acton substation on larks green solar farm Wilson power transformer at iron acton substation on larks green solar farm 140mva power transformer at larks green solar farm substation

Related Products

wilson power solutions transformers

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Jim Rendall - Sales Manager South Wilson Power Solutions