Industry asked to curb peak power use

Industry asked to curb peak power use National Grid has called on companies to consider curbing their electricity use between 4pm and 8pm on winter workdays next year, in a stark sign of the urgency of Britain’s looming energy supply shortage
http://link.ft.com/r/KC2844/UL58C6/OJS3XZ/R3REGA/FD65KZ/YT/h?a1=2013&a2=6&a3=27