The first of its kind anywhere in the world, the GIB has been seeded with an initial £3bn ($4.8bn) to disburse over the next three years, with the potentially contradictory goals of accelerating the flow of private capital into “nearly investable” sectors while also turning a small profit.

The GIB’s three “priority” sectors – for which 80% of its funds are earmarked – are offshore wind, waste and non-domestic energy efficiency.

GIB