Diesel turbines on building websites are typically considerably bigger than they in any other case must be, in order that they will deal with occasional spikes in demand. Battery vitality storage expertise might help turbines deal with these spikes and so permit smaller – and due to this fact much less thirsty – turbines for use.
All through 2022, Keltbray launched Aggreko’s battery storage methods on 12 tasks across the UK. This was the results of saving greater than 75,000 litres of gasoline, equating to greater than £100,000 in gasoline prices.
“We frequently see employed gear that’s outsized as an tried degree of resilience, however it additionally means it’s usually operating at lower than 30% load and due to this fact inefficient,” mentioned Aggreko engineer Kath Argent, who labored with Keltbray to audit its energy necessities. “Aggreko right-sizes its gear and implements different strategies, akin to load on demand, for max effectivity.”
Keltbray head of environmental sustainability Kiro Tamer mentioned: “We wished to take a look at batteries for a while, however it additionally wanted to make industrial sense and market circumstances simply hadn’t made it viable till that time. When gasoline costs began to rise round April 2022, that’s when issues began to vary. Since then, the adoption of the expertise has come alongside so rapidly.”
He provides: “The flexibility of this expertise is demonstrated by way of the big variety of tasks and websites we’ve been capable of introduce it into, making it a elementary a part of our decarbonisation technique. In simply 12 months, we went from utilizing no batteries, to them accounting for at the least 25% of our non permanent energy procurement with Aggreko.
“Our business is working relentlessly to change into extra sustainable, however there are nonetheless many hurdles to beat. Energy procurement has by no means been easy, and I believe there’s a normal lack of expertise on the right way to cut back reliance on diesel turbines the place there isn’t any entry to the grid. However there are answers on the market – as evidenced on this sustainability success story. For individuals who wish to reap the rewards, the expertise is there for the taking and firms like Aggreko might help implement it well and rapidly.”