Batteries included in energy storage ideas | Letters

Whatever the WWF says, peak demand for gas-fired generation will be larger, says Steve Bolter, while Chris Underwood pours cold water on the IMechE’s hydrogen proposalThe WWF has been oversimplistic in its argument that no further gas-fired power stations are needed (Report, 14 May). The forecast increase in annual renewable electricity production is only just sufficient to balance the closure of coal-fired electricity generation and the fall in nuclear generation resulting from the retire