The corporates have joined the energy efficiency company's backers as it secures $12m in equity after coming out of a stealth period.

US-based energy efficiency company SCIenergy has raised $12m in equity funding from investors including Edison Energy, a subsidiary of utility Edison International, and the US division of Japan-based conglomerate Mitsui.

SCIenergy, which has just re-emerged from an 18-month stealth period it spent reconfiguring its software, is creating what it refers to as the first energy-infrastructure-as-a-service integrated platform.

The platform comprises the company’s cloud-based software and managed energy service agreements (MESAs), which enable external investors to finance energy efficiency retrofits in…