Tesla's Powerwall battery may be the poster-boy of the forthcoming dynamic power grid, writes Margaret McAll. But a far more accessible, low cost solution beckons: grid-interactive water heaters can soak up excess power from peaking renewables, reduce expensive peak demand, and cut power companies' need to invest in generation and distribution.
… Water heaters as batteries: as sexy as a … 2016 Comment Energy Renewables Smartgrid water-heater-cut.jpg Tesla's Powerwall battery … low cost solution beckons: grid-interactive water heaters can soak up excess power from …
The small country of Denmark is making a big commitment to renewables, aiming to be fossil-fuel free by 2050, writes Laurie Guevara-Stone. A large expansion of mainly offshore wind power features large, along with moves to a 'smart grid', high vehicle taxes and energy conservation initiatives. Denmark is well on its way to becoming the energy leader of the EU.
… and Norway import the electricity to save water in their hydro reservoirs, and use their …