Ofgem told to approve £4.5bn of extra spend on transmission

National Grid has asked Ofgem to approve around £4.5bn of new investment across the electricity transmission network in England and Wales.The company has submitted 25 proposals under the regulator’s “re-openers” process, which allows network companies to seek approval for extra funding when system needs move beyond the assumptions set in a price control.The package is designed to strengthen the grid as electricity demand rises and more clean power, major industrial users