Cryogenic energy storage firm teams with Tenaska to develop U.S. projects

England’s Highview Power has contracted with U.S. energy developer Tenaska to pursue gigawatt-hour scale cryogenic energy projects in the U.S. Highview reports a storage cost of $140/MWh at industrial scale; the firm currently operates a 5 MW pilot facility in England.


PJM’s proposed 10-hour storage minimum debunked

Four-hour storage can provide up to 4,000 MW of capacity in the PJM grid region, providing reliability value equal to that of conventional generators.

Enormous Montana pumped hydro project gets Danish investment

The investment from Copenhagen Infrastructure Partners suggests that new pumped hydro storage projects can compete with battery storage. Construction of the 400 MW, 3400 MWh facility could begin as early as next year.


PV interconnection requirements may change with new reliability guidance

Interconnection requirements for mid-sized and large inverter-based systems directly connected to the transmission grid may change based on new guidance issued in draft form by the North American Electric Reliability Corporation. The guidance does not apply to distributed PV.

Coal and gas red-flagged on reliability; solar doing fine

In an annual report card on North America’s grid reliability, coal and gas are sent to the principal’s office, while solar gains operating guidance related to 2016 and 2017 wildfire-related outages. Texas is cautioned for its lower-than-desired reserve margin, although that was not a problem in 2018.

Renewables would displace 86 GW of gas projects in Beyond Carbon campaign

Solar, wind and storage would take the place of 150 proposed gas-fired generators in a Beyond Carbon campaign launched by Michael Bloomberg and the Sierra Club. Building on the success of the Beyond Coal campaign, Beyond Carbon aims to stop new gas-fired generators, while continuing to retire coal units.


Solar carports go national: photo essay

Even if your car is baking in the hot summer sun, you can imagine it staying cool under one of these solar carports recently built all across the country. Technologies include prefabricated framing, double cantilever canopies, and water management systems.


Warren proposes $2 trillion for clean energy manufacturing

Senator and Presidential candidate Elizabeth Warren calls for “big and bold investments in American research, American industry, and American workers” to counter climate change.


Scientists see global PV rocketing to 10 terawatts by 2030, for starters

A Science journal article describes how to reach “a future with ~10 terawatts of PV by 2030 and 30 to 70 terawatts by 2050, providing a majority of global energy.”


Texas real-time pricing provider plans to expand with EDF Group funding

The pioneering firm Griddy says that its real-time pricing app shows customers when they can use more low-priced solar and wind power, while saving money in the process. An investment from EDF Group will help Griddy expand its reach to the New York and PJM grid regions.

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