Britain’s energy regulator, Ofgem, has approved a $37.4 billion (£28 billion) investment program for energy network companies to upgrade the UK’s power and gas grids to boost their stability and security. “This investment will upgrade power and gas grids, creating a future-ready system that better shields customers from volatile energy bills,” Ofgem said on Thursday. The?approved?investment will?fund?80 transmission projects and associated works?nationwide?over the next?five years. Most of the funding,…