Grids & Integration

LF Energy and the pursuit of a modularized grid

In hopes of creating a grid that is modular, flexible and more resilient than the current one, LF Energy has launched its Digital Substation Automation Systems initiative, which looks to make interoperable substations that are both hardware and software agnostic.

How to replace 187 GW of coal with renewables, and save customers money

Several financing options could ease the replacement of uneconomic coal plants with renewables and storage, with some of the savings used to help coal workers transition to new jobs, says a report from climate advocates.

Morning Brief: Duke, Dominion abandon pipeline, Berkshire Hathaway buys $10B of gas assets from Dominion

Also in the brief: Tepco to reuse Chinese EV batteries for energy storage, end of Chinese dam-building era,

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NREL study backs hydrogen for long-duration storage

Pumped hydro and compressed air energy storage will soon be cost-effective for day-long storage, while hydrogen for long-duration storage will be cost-effective by 2050 or sooner, the national lab’s study projected.

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Real-time pricing that integrates more solar power is proven to work in California

Industry participants noted the significance of a real-time pricing project on a single distribution circuit in California. State officials are evaluating real-time pricing as a means to help integrate more solar and wind power on the grid.

Bill Gates leads $10M investment in Quidnet’s long-duration geomechanical pumped storage

The year of living durationally — the holy grail of energy storage has always been low-cost and long-duration. Venture investors have started putting their money into novel, extended-duration storage technologies.

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Vivint Solar joins EnergyHub in expanding PV and storage demand response programs

Can programs like EnergyHub and National Grid’s battery-powered DR turn utilities into residential solar fans?

Advanced macro grid initiative announced, with funding support from Bill Gates-backed group

Bill Gates and Breakthrough Energy see enhanced transmission as facilitating electrification and grid reliability. Increasing transmission development at the “seams” between regions could save consumers more than $47 billion and return more than $2.50 on every dollar invested.

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Solar hosting capacity maps must be accurate to be useful

Solar hosting capacity maps, now required in seven states, show where solar can be added on a distribution circuit without incurring any grid expense—but only if those maps are accurate. California’s experience, says a policy paper, shows that best practice guidelines for validating maps are needed to aid state regulators.

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Keeping net energy metering credits ‘clean’ in California means adding relays and meters

It’s during the interconnection review and approval processes that most developers run into the NEM integrity issue with California’s big utilities.

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