Energy storage proposal put forward for Grimsby sub-station

By Grimsby Telegraph | Posted: 6 Sep 2017

PLANS are being revealed for a battery storage facility in the heart of residential Grimsby.

Green Hedge Energy UK is behind the proposal to enhance the sub-station in Magnolia Street, off Spring Bank, in what would be a substantial investment.

It involves a 30MW facility, to charge overnight when grid demand is low, then feeding back in at peak times. It is part of a new era of solutions to bring grid consistency in light of the increasing contribution of variable generating sources, such as wind and solar. 

Batteries would be located within a building on a site next to the existing sub-station, where overhead cables from pylons coming into the town via Freshney Parkway – from the National Grid sub-station on Aylesby Road, between Great Coates and Aylesby – terminate.

LOCATION: An aerial view of the existing sub-station. The Energy Barn proposal is for the vacant land adjoining at the bottom of the photograph.

Green Hedge is a London and Bath-based business, established in 2010. It has developed and realised more than 20 solar farms across the UK and some internationally, with a total installed capacity of more than 200 MW.

It has pioneered the Energy Barn concept of battery energy storage housed in steel-framed buildings, and has a large and diversified portfolio of grid-scale battery energy storage projects, both 'in front of meter' and 'behind the meter' applications for large commercial and industrial customers. As a result it describes itself as “one of the country’s leading and most respected developers of low carbon electricity generation and storage facilities”.

STREET VIEW: Magnolia Street. Pictures Google Maps.

Roland Billington from Green Hedge said, “Energy storage projects, such as this, are providing a really important role in helping the UK transition to cleaner energy sources, such as wind and solar, and away from fossil fuels.  It is also helping make the national grid more efficient which cuts our electricity bills and reduces the risk of power cuts. We are really excited to have found a site in Grimsby, the renewable energy capital of England, and look forward to moving forward with our proposals.”

The British Government want the UK to be a leader in this field, as it helps them to meet their commitment to providing a clean, affordable and secure energy supply. There are also benefits for the consumer, with OFGEM estimating that it could save the country between £17bn and £40bn in energy costs by 2050.

Green Hedge said such energy storage facilities use safe, clean and tested technology. They are quiet and do not produce any fumes or pollution.

The Energy Barn is typically about 150ft by 65ft, with a concrete foundation. The electricity storage system housed inside the building consists of racks of lithium-ion batteries, inverters and transformers, connected to the electricity distribution system at 11, 33, 66 or 132kV with switchgear in a small substation. It is understood it would be remotely operated. 

Proposals will go on display to the public at a consultation event at Grimsby Auditorium next week – between 2pm and 7pm on Tuesday (September 12) at Grimsby Auditorium.

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