Storage Solutions Competition Attracts Wide Range Of Candidates
12 projects have entered the first stage of the UK Department of Energy and Climate Change’s (DECC) energy storage competition. Those that reach the second stage will be vying for a share of the £17 million offered.
The variety of the competitors is huge. As expected, there was a large proportion of battery technologies proposed.
The battery solution chosen to proceed in the competition was a vanadium redox flow battery proposed by Wokingham firm REDT. While the company’s technology is said to be less efficient than other batteries at 75-80 percent efficiency (most batteries are about 95 percent efficient), depending on duty cycle of £1.7m to £1.9m per megawatt, thus allowing its cost to be lower than other battery systems over a 10- to 15-year lifespan.
Other interesting solutions included using gravel ski lifts, and using excess renewable energy to produce methane which can be easily transported and burnt as fuel.
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