"the video recorder and subsequent personal recording technology and internet streaming on-demand helps to lesson the demand" Demand may be getting more stable

"the video recorder and subsequent personal recording technology and internet streaming on-demand helps to lesson the demand" Demand may be getting more stable, but supply is going in the other direction! There is a need for energy storage as the UK grid moves to more renewable and intermittent energy sources, predominantly wind. Pumped hydro stations like Dinorwig can help lessen the need for fossil-fueled thermal power plants to provide spinning reserve / frequency maintenance. So can batteries. Whether we will see any more pumped hydro built in the UK probably comes down to cost and environmental concerns, when considered relative to other storage technologies like batteries and electric vehicles with V2G.