If land-based wind turbines are a bird’s worst nightmare, it will be interesting to see how the fish in Lake Ontario react to giant underwater “accumulators” that will store compressed air to feed back into the electric grid. Toronto-based startup Hydrostor ran a pilot of its underwater compressed air energy storage (CAES) technology last summer Continue reading →
As PG&E ramps up renewable power in response to the California RPS requirement that it get 33% of its electricity from renewables by 2020; it has been exploring ways to add that much renewable power to the grid while smoothing out the ups and downs of wind energy, which often peaks at night. The utility Continue reading →








