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Grids & Integration

Baltimore Gas and Electric installs battery storage system to manage winter peaks

The 2.5 MW/9.74 MWh Hitachi Energy facility helped the utility avoid distribution upgrade costs and also participates in the PJM Interconnection.

Grid operators in California and Texas earn “B” grades, others score poorly

With two million megawatts of generation and storage projects awaiting interconnection studies across the U.S., a report gives grid operators grades for their interconnection processes ranging from B to D-.

Sunrise brief: U.S. residential solar prices drop, strong interest in storage

Also on the rise: Shoals to invest $80 million in Tennessee manufacturing expansion. Beaming radio frequency solar power from space. And more.

Grid operator PJM could add 5.5 GW of renewables with grid-enhancing technologies

Deploying GETs technologies in the PJM grid region would have a 70-to-1 benefit-cost ratio, finds an analysis by Quanta Technology. The nonprofit RMI published the analysis, and aims for it to be replicated to evaluate GETs in interconnection studies.

Beaming radio frequency solar power from space

Researchers at the California Institute of Technology successfully beamed solar power from space to Earth in July. The experimental microwave-beaming satellite was tested for eight months, uncovering existing strengths and weaknesses that will guide future developments of space solar power.

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Sunrise brief: Super Bowl to be hosted in first 100% renewable energy NFL stadium

Also on the rise: Utah bill proposes rooftop solar net metering rate protection. Battery storage plus hydrogen can enable a reliable, cheap clean energy transition. And more.

RFP alert: DOE to provide $1.2 billion for transmission buildout

The RFP will use capacity contracts to commit DOE to purchase up to 50% of the maximum capacity of a transmission line.

The impact of climate-based PV panel degradation rates on inverters

New research from Belgium shows the importance of assessing inverter reliability by including climate-based PV panel degradation rates. The scientists found that, especially in hot and arid climates, PV inverters should be designed with parameters above the standard value.

PV commissioning times up by 6 months over past 20 years, claim scientists

Scientists in Switzerland used project-level data from BloombergNEF to analyze completion times of renewable energy projects across 48 countries. They have found that average commissioning times have increased over the past two decades for all clean energy technologies.

Sunrun solar-plus-storage powers the grid during peak demand

In partnership with utility Pacific Gas and Electric, the residential solar installer enrolled distributed batteries to serve the grid during times of peak demand.

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