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Zenobe begins construction of battery storage projects in Scotland

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Energy Global,


Zenobe has begun construction on battery storage projects totalling £750 million in Scotland at Blackhillock, Kilmarnock South, and Eccles. This brings its total portfolio in Scotland to 1050 MW/2100 MWh and equates to more than the total MWh of all grid-connected batteries operating in the UK today.

Over their 15 years of operation, the sites are forecast to save up to 13.4 million t of CO2 from the atmosphere, equivalent to taking 490 000 diesel or petrol cars off the road for 15 years – or the equivalent of removing more than all the cars in Glasgow and Edinburgh. They are also forecast to lower consumers bills by over £1 billion by reducing the curtailment of wind farms over the same period.

The new projects are all contracted to provide stability services to National Grid Electricity System Operator (NGESO) to improve the reliability of the UK’s increasingly renewable power system. These are the first commercial contracts in the world to use transmission connected batteries to provide short-circuit level and inertia, essential for the grid to function efficiently as fossil fuel plants phase out. Zenobe will provide 4.4 GVAs of inertia, equivalent to approximately 5 – 10% of Britain’s requirement. The batteries will also ease network constraints by importing electricity at times of peak renewable generation. These are essential services which will contribute to the lowering of consumer bills and the UK’s acceleration towards net zero.

Short circuit level maintains system voltage during a fault. Inertia, which is derived from the kinetic energy stored in rotating turbines, prevents sudden changes in system frequency. These key grid services are usually delivered by fossil fuel powered plants. Renewable power sources do not provide these services, so to decarbonise successfully, it is necessary to find alternative, reliable sources of grid stability – not only in the UK, but globally.

James Basden, Co-founder and Director of Zenobe, said: “Zenobe is transforming the uptake of clean power, enabling the UK to become more independent and greener in how it generates electricity. These projects are using the latest technological innovation to make renewable energy more reliable and affordable at a national scale. This is the future for how utility scale battery projects will work on every grid.

“Our projects at Blackhillock, Kilmarnock South, and Eccles are world-firsts for battery storage, addressing a key, complex hurdle to the uptake of renewables in an innovative way and pushing forward our progress to energy independence and a zero-carbon grid.

“At a time of increasing energy prices and the need for greater energy security, this is the type of investment which the UK needs now to drive growth, and which will enable both the country and Zenobe to become leaders in delivering the energy transition.”

Julian Leslie, Head of Networks at National Grid ESO, commented: “NGESO is working hard to enable the UK to have a carbon free power network. Working with the industry, we have developed contracts that accelerate the rapid uptake of renewable power. These contracts are part of the solution that will enable NGESO to have the ability to operate a zero carbon system in 2025.

“Investment into the use of new technologies by innovative companies like Zenobe is bringing this ambition nearer. The investment into these three major projects represents a turning point in how major grid scale battery storage can support the grid as fossil fuel generation is phased out.”

Today Scotland uses 96% carbon free generation, and the rapid rollout of wind power means that the transmission network is becoming more congested, leading to the expensive shutdown of wind farms. The locations for these projects were specifically chosen to reduce this curtailment, allowing more power onto the grid, lowering bills for consumers and increasing the UK’s energy independence.

Construction at the Blackhillock site began this month with the site due to give live 1H24. This follows the 50 MW/100 MWh battery project at Wishaw which is the first to win a constraint management contract from National Grid ESO and will be the first in Scotland to connect directly to the transmission network when it goes live 1H23.

Zenobe intends to use its expertise in managing renewable power at a large scale as the basis for international expansion into new markets such as Australia and the US, with new projects planned to be announced in 2023.

 

 

For more news and technical articles from the global renewable industry, read the latest issue of Energy Global magazine.

Energy Global's Autumn 2022 issue

The Autumn 2022 issue of Energy Global hosts an array of technical articles focusing on wave & tidal, waste-to-energy, energy storage, solar technology, and more. This issue also features a regional report outlining how green hydrogen is playing a key role in the renewable transition across Europe .

Read the article online at: https://www.energyglobal.com/energy-storage/15112022/zenob-begins-construction-of-battery-storage-projects-in-scotland/

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