Sentences with phrase «natural gas backup become»
«Electric heat pumps with natural gas backup become attractive technologies in colder regions, utilizing the best features of both with dual - fuel capability potentially providing additional reliability.»
http://www.powermag.com/ Not exact matches
But he wholly fails to explain what the implications of the variability problem is (the need for overbuild of generation capacity and expensive / unfeasible large - scale energy storage), nor whether, if an effort is made to deal practically with these problems in real national electricity grids, the «increasingly cheaper» renewables will ever become cheap enough (when all relevant real - world factors are considered) and reliable enough (without natural gas «backup»), to actually substitute for and displace fossil fuels (or nuclear) at the scale required.