Edina maintains power security with 234MWe STOR peaking plant portfolio

Edina Group delivers full EPC contract to Welsh Power's STOR portfolio across 14 sites based in the UK.

Edina maintains power security with 234MWe STOR peaking plant portfolio

Welsh Power awarded Edina the full EPC contract due to Edina's complete understanding, and capability in delivering Welsh Power's technical and strategic requirement.

Edina provided feasibility studies, financial and energy modelling to maximise the projects objectives and energy performance.

Under the full EPC contract, Edina supplied, installed and maintains the MWM TCG 2020 V20 engines, all of which were containerised at its manufacturing facility in Lisburn, Northern Ireland.

Edina also undertook the design of the building work housing the containerised generators, Project Management and Commissioning.


The achievements in the STOR and Peak Power projects included the ability of the control system to use the entire site not just for STOR and Peak Power applications, but for other applications too.

The sites control system was cleverly designed to make sure that demands from various organisations like National Grid and Centrica could demand power generation and the system decides who has the priority to demand power. This ensures the equipment is effectively utilised and the investment gives better returns.

The gensets are also provided with heaters to improve start up times at short notice.

The electricity consumed from the grid usually emits an average of 0.541kg CO2 per kWh, but the genset supplied for the Welsh Power projects emit 0.3059 kg CO2 per kWh, reducing the average carbon emissions of power consumed from the National Grid.

These power stations provide security and stability to the grid and can be demanded during peak hours or during high electrical demand. These power stations have a quick ramp up time to meet the demand of the grid within 7 minutes.

A boiler based engine block heating system was developed to minimise the parasitic load of the station when on standby, helping the gensets to ramp up to 100% load within the specified time.


The STOR power plants will safeguard security of power supply caused by the imbalance of renewable energy exported into the electricity grid.

Supplying directly to the electricity grid for domestic, public and/or commercial usage, the STOR power plants maintain a dependable energy service to allow the consumer to access energy wherever, whenever.


Read the full case study at http://www.edina.eu/gas-case-studies/welsh-power-stor-peaking-plant-portfolio/.

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