Shetland battery energy storage scheme

Case study 13960

Shetland battery energy storage scheme

To help smooth out peaks and troughs in the electrical supply network on Shetland, SSE commissioned a 6MWHr battery energy storage system as a test plant to demonstrate the suitability of such systems for the Scottish islands.

The 6MW battery and inverter system was supplied by S & C Electric and installed and cabled by Powersystems UK Ltd.

The Battery energy plant is located on the main island generating station in Lerwick, which is a diesel based generating station. The plant consisted of a 1250KVA 11,000/690v transformer, AC/DC convertor and 20 sodium sulphur (NaS) battery cells with a capacity of 6MWHrs. A special insertion tool was utilised to carefully locate each 3200Kg cell.

Shetland battery energy storage scheme

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