A new 'China Energy System Transformation' report from the International Energy Association (IEA), sets out value of Demand Side Response, including a full page on EnPot technology.
It recommends; "specific government interventions may be necessary to enrol particular larger-scale load resources (e.g. aluminium smelters), including the design of financial incentives for retrofits and/or participation requirements."
Have a read of the relevant pages from the report by downloading the 5-page PDF below.