Monday 2 December 2019

UK solar farm's inverter provides an overnight reactive power service

Source: NS Energy

Lightsource BP in the UK has been trialling the first night-time reactive power from a solar farm. This was achieved by using: “Specially modified electrical inverters installed at the solar facility [which] were able to transform power taken from the grid overnight – while not in use for their usual purpose of generating power from sunlight – and then feeding back optimised voltage to the grid.”

It is a way of providing a network service and in this case it is network voltage. It is also a way of adapting to a fast changing electricity network that now has a lot of solar power in the daytime. It is calculated that such an innovation will contribute to significant cost savings and additional grid capacity. Infact, Lightsource BP says reactive power could lead to £400m in customer savings by 2050.

Read more: Lightsource BP trials UK’s first night-time reactive power from a solar farm. NS Energy, November 27, 2019.

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