Energy Storage
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Ex-Tesla exec wants to increase utility control of DERs, and has a smart panel to do it
The new electric panel combines smart metering capabilities with remote control of energy use in residences, while easing installation of solar, energy storage and EV chargers.
By Iulia Gheorghiu • Sept. 20, 2019 -
Virginia Gov. Northam orders 100% carbon-free power by 2050
The governor's order also calls for the state to reach 30% renewable energy and reduce its power consumption 10% below 2006 levels by 2022.
By Catherine Morehouse • Sept. 18, 2019 -
Arizonans could save $3.5B with quicker coal to solar+storage transition, report finds
Research commissioned by Sierra Club examined 11 coal units slated for closure in 2035 or later. Moving that timeline up to 2023 would result in significant savings, it found.
By Robert Walton • Sept. 18, 2019 -
As battery fires spark ongoing concerns, NFPA releases standards to address risks
Compacting high levels of energy in a small space can lead to increased risk of flammable gas releases and higher fire intensity, according to the National Fire Protection Association.
By HJ Mai • Sept. 17, 2019 -
The value of customer-sited storage: It's about more than demand charges, study finds
Surprise findings in the report from the Department of Energy's Berkeley Lab can help inform new rate structures for customer-sited storage.
By Robert Walton • Sept. 16, 2019 -
SponsoredFixed block solar and storage power solution
In a world that’s shifting to a more sustainable energy future, solar plus storage is a solution to meet peak demands.
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New York advances toward 3 GW storage goal with 316 MW project to replace gas peakers
The state's Public Service Commission announced a process to build out an energy storage facility in place of 16 combustion turbine units in Queens.
By Iulia Gheorghiu • Sept. 16, 2019 -
Nothing standing in the way of energy storage's 'explosive growth': Navigant
The global energy storage market is expected to continue its exponential growth, with lithium-ion batteries remaining the predominant technology in the industry.
By HJ Mai • Sept. 16, 2019 -
Sunrun partnership enhances HECO's ability to tap into DER systems when power demand spikes
The developer has teamed up with OATI to offer 4.3 MW of capacity and fast frequency service to the Hawaiian Electric Company through 1,000 solar+storage systems across Oahu residences.
By Iulia Gheorghiu • Sept. 12, 2019 -
Renewables, storage poised to undercut natural gas prices, increase stranded assets: RMI
If all proposed gas plants are built, 70% of those investments will be rendered uneconomic by 2035, according to the Rocky Mountain Institute.
By Catherine Morehouse • Sept. 11, 2019 -
Los Angeles approves 'historically low cost' solar+storage project
The Department of Water and Power's Board of Commission authorized power purchase agreements for the Eland Solar and Storage Center, which includes 400 MW of solar generation and 1,200 MWh of energy storage.
By Robert Walton • Sept. 11, 2019 -
Santee Cooper forecasts coal phaseout, 1 GW new solar as base case for potential sale
The state-owned utility prepared the forecast at the direction of South Carolina legislators who are considering selling the company to pay off debt from the failed V.C. Summer nuclear project.
By Robert Walton • Sept. 11, 2019 -
Deep DiveAs utilities scramble to manage explosive DER growth, is power grid autonomy a solution?
The U.S. electric grid could face hundreds of millions of distributed resource deployments in the near future. But optimizing these data points may exceed human ability.
By Herman K. Trabish • Sept. 11, 2019 -
Record set for US residential storage deployment, but overall outlook falls: WoodMac
Despite strong growth in the residential sector, the overall storage outlook declined for 2019, due to front-of-the-meter project delays and weaker-than-expected midyear numbers in some behind-the-meter markets.
By HJ Mai • Sept. 10, 2019 -
Deep DiveThe unknown costs of a 100% carbon-free future
State approaches to 100% clean energy vary, and while several costs remain unknown, some utility solutions are emerging.
By Herman K. Trabish • Sept. 03, 2019 -
Green Mountain Power partners with Sunrun to expand BYOD storage program
GMP first launched its battery program in 2018 through an exclusive partnership with Tesla.
By HJ Mai • Aug. 29, 2019 -
Is PREPA ready for hurricane season?
The Puerto Rico Electric Power Authority has "a fragile system," according to the utility's director of project management, and "it still hasn't been elevated to the codes and standards for a Category 4" storm.
By Catherine Morehouse • Aug. 29, 2019 -
UC San Diego launches study on recycling EV batteries into energy storage
The university partnered with manufacturer and energy company Cummins on a potential solution to the scarcity of foreign critical materials in batteries.
By HJ Mai • Aug. 28, 2019 -
Deep DiveRocky Mountain Power to operate largest US residential battery demand response project
Sonnen and the utility are partnering to build a virtual power plant at the new 600-unit apartment complex, with 12.6 MWh of energy capacity from a 5.2 MW solar array.
By Robert Walton • Aug. 27, 2019 -
Deep DivePG&E may answer the billion dollar grid modernization question
A step-by-step regulatory process in California confronts the technical challenges and "obscene expenses" of distributed resource investments.
By Herman K. Trabish • Aug. 26, 2019 -
California calls for $100M to incentivize DERs in high-risk wildfire areas
The Public Utilities Commission proposed changes to the state's primary storage incentive that would create a budget for low-income customers in wildfire threat areas.
By HJ Mai • UPDATED: Sept. 13, 2019 at 9 a.m. -
Storage developer plans to bring batteries to 149 MW Texas wind portfolio in SPP territory
GlidePath says integrating battery storage in markets with a large penetration of wind resources can help prevent emergencies similar to ERCOT's two last week.
By HJ Mai • Aug. 21, 2019 -
Deep DiveWhat will electricity pricing look like in 2040?
Experts weigh in on their rate design predictions, ranging from complex rates and set-it, forget-it technologies to Netflix-like subscription plans.
By Herman K. Trabish • Aug. 21, 2019 -
SponsoredHow did Massachusetts blossom into an environment ripe for energy storage, pushing technology and business models to the cutting edge?
As wholesale energy markets open up to battery storage, value stacking can make storage projects pay off.
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OpinionLCUS: A New Way to Accurately Measure Energy Storage Costs
The Levelized Cost of Using Storage method combines data into a single meaningful metric to compare different energy storage technologies.
By C. Michael Hoff and Roger Lin • Aug. 20, 2019
