[1][2] Lightsource BP is a British company with headquarters in London, and offices in Madrid, Milan, Athens, San Francisco, Austin, Philadelphia, Mumbai, New Delhi, Cairo, Melbourne, Amsterdam, Bath, Belfast and Dublin.

[citation needed] In 2013, Lightsource completed a 5 MW rooftop solar PV installation at Bentley Motors' factory in Crewe.

[5] In 2016, Lightsource completed the Crookedstone Solar Farm, in Antrim, Northern Ireland, which provides a third of the Belfast International Airport's electricity needs.

In that year, Lightsource BP also signed a 25-year power purchase and asset acquisition agreement with Mid-Kansas Electric Company in Stanton County, Kansas, United States.

[citation needed] In 2018, Lightsource BP formed EverSource Capital, a partnership with Everstone Group to create a major fund management platform for green energy infrastructure in India.