Site home to one of Europe’s largest battery energy storage systems comes to market

Keyland Developments, the property trading arm of Kelda Group and sister company to Yorkshire Water, has launched to market a Hull site which is home to one of Europe’s largest Battery Energy Storage Systems (BESS).

Keyland secured a 40-year lease last year on the 5.5 acre site in Hull to Harmony Energy which constructed the Pillswood Project, which is one Europe’s biggest battery storage systems by megawatt hour (MWh) and one of the UK’s most important energy assets.

The facility has been operational since January 2023 and the freehold investment opportunity is being marketed by Carter Jonas’ Infrastructure and Energy team for an undisclosed sum.

Harmony Energy is one of the UK’s leading developers, owners and operators of utility-scale battery energy storage and wind and solar projects. The Pillswood Project employs a Tesla 2-hour Megapack technology system and has the capacity to store up to 196 MWh of electricity in a single cycle.

The facility sits adjacent to National Grid’s Creyke Beck substation in Cottingham and uses stored battery power to enable the National Grid to maximise the efficiency of wind farms. The world’s largest offshore wind farm, Dogger Bank, also feeds into the Creyke Beck substation and the Pillswood BESS is one of the UK’s top performing BESS projects.

Luke Axe, land and planning director at Keyland Developments, said: “Our Hull site is an exciting long-term income opportunity for an investor. The innovative development also offers the opportunity to be part of a scheme unlocking green energy solutions by maximizing renewable energy through battery energy storage systems.”

Miles Thomas, partner at Carter Jonas, said: “Pillswood Farm BESS is a real trophy asset, it’s presently the largest battery project by MWh in Europe and is connected to the same substation as the world’s largest offshore windfarm. The investment offers 40 years of index-linked base rental income, with opportunity for sharing in the revenue from what is one of the top battery energy storage systems in the market. BESS projects such as this are essential in balancing a grid network with rapidly increasing amounts of intermittent renewable generation.”

Bids are being sought by 5pm on Friday 27th October.

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