Bluefield LLP, a private equity fund manager specialised in solar energy, has begun a joint venture with Essentium to build power plants that can produce 70MW by harnessing sunlight.

The London-based firm and the Spanish construction and cement company will invest a combined EUR200m (US$282m) to build photovoltaic plants, primarily in Spain, Bluefield partner James Armstrong said in a telephone interview. (Source: Bloomberg).