The Engineer

The 2011 Energy & Environment Winner - CES

In-Depth

Highview’s scalable liquefying technology stores excess energy as a cryogenic fluid until it is needed.

Energy storage is critical if we are serious about replacing fossil fuels with renewable electricity sources. One of the key problems with wind, wave and solar power is their intermittency, so matching the unreliable supply of green electricity to our demand requires an intermediate step so we can save the energy in some form for when we need it. Additionally, those countries whose traditional infrastructure is struggling to meet demand could benefit hugely from a back-up system to help accommodate peak consumption.

At the moment there are about as many methods of storing renewable energy as there are of generating it and, similarly, each has its own pros and cons. But engineers at UK Highview Power Storage have developed a potential solution to several of the sector’s issues by building the world’s first liquid air energy-storage system.

The other shortlisted candidates in this category were:

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