questionText: To ask the Secretary of State for Energy Security and Net Zero, what assessment his Department has made of the potential implications for his policies of the potential role of heat batteries in homes that are unsuitable for a heat pump.
answerText: Though heat batteries can utilise time-of-use tariffs, do not require outside space and can be cheaper to install, they are less efficient than heat pumps. If heat batteries do not have sufficient storage capacity, they could draw electricity at peak time...
heading: Heat Batteries: Housing