The US government – the country’s largest single user of energy – is to have $80 billion at its disposal for energy efficiency, renewable energy and water conservation projects at its buildings and facilities.The Department of Energy (DOE) is awarding Energy Savings Performance Contracts (ESPCs) to 16 contractors including electricity utilities, renewable energy companies and heating and ventilation system manufacturers.Under the terms of the scheme, a contractor designs, constructs and raises the financing for an energy saving project and has to guarantee that the work undertaken will generate energy savings.