- The energy costs of operating the world’s largest oil fields can rise dramatically as extraction rates begin dropping, according to a study published in the journal Nature Climate Change. As extraction begins to ramp down, the net energy from the process can begin to fall rapidly, so that each unit of oil becomes more carbon intensive. [CleanTechnica]
- SolarReserve has received an environmental approval from the Chilean government to build a 390-MW solar thermal power station with 5,100 MWh of energy storage. This is SolarReserve’s third approval of a solar thermal project that will provide Chile with a continuous, 24-hour supply of energy, at a competitive price. [PennEnergy]
- Major transmission company Transgrid says 100% renewable energy is both feasible and affordable. It is urging policy makers to “step out in large ways” because incremental change will not deliver climate goals or potential cost savings. Transgrid’s head of regulation said the company would benefit from such a move, but so would consumers. [RenewEconomy]
- The San Diego County Water Authority issued a request for proposals for a pumped storage facility, which would provide energy when needed by releasing water it has pumped into a reservoir during low demand times. The facility will be up to 500 MW in capacity. The DOE says US pumped storage capacity is 184 GW. [pv magazine USA]
- An attorney for a group fighting the Keystone XL pipeline says the organization plans to appeal a South Dakota judge’s decision upholding state regulators’ approval for the pipeline to cross the state. Dakota Rural Action, a conservation and family agriculture group, plans to raise the issue to the South Dakota Supreme Court. [PennEnergy]
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