Clean energy just got a generous new friend. In November the U.K. government launched the Green Investment Bank, the first national entity devoted to investing in clean-­technology infrastructure and pushing private capital to do the same. The Edinburgh, Scotland–­based bank’s organizers hope it can fill some funding gaps that they say are thwarting green industry. John Bromley, CIO of Triodos Investment Management’s €320 million ($426 million) Ampere Equity Fund, likes GIB’s chances. “Where there may be a lack of capital and some additional support is required, I think being able to turn to the Green Investment Bank might be very beneficial to the sector,” says Bromley, whose Zeist, Netherlands–based fund primarily invests in clean-tech projects. In December, Ampere announced that the....