National Grid files to build 40 MWh storage project on Long Island

The utility filed with the NY Public Service Commission to lease land for Long Island energy storage project.

By Peter Maloney • April 24, 2017

Salt River Project signs PPA for 20 MW solar+storage project

A 10 MW battery paired with a solar array will help the utility study how to integrate more variable renewable generation. 

By Peter Maloney • April 24, 2017

Explore the Trendline➔

Virtual Power Plants

Virtual power plants and their ability to balance energy supply and demand are increasingly sought by utilities as electricity demand increases, but their lack of standardization remains a barrier.

By Utility Dive staff

New York to make $15M available to fund energy storage projects

NYSERDA is searching for existing technologies to demonstrate how storage can provide multiple power grid benefits. 

By Peter Maloney • April 21, 2017

SDG&E contracts for 5 energy storage projects totaling 83.5 MW

The utility will own the two largest projects — 30 MW and 40 MW, respectively — to enhance reliability and integrate renewables.

By Peter Maloney • April 21, 2017

The new all-of-the above: HECO looks to wind, solar and beyond for 100% renewables mandate

Hawaiian Electric Co.'s roadmap to a 100% renewables grid will rely on EVs and DERs alongside established central-station renewables.

By Robert Walton • April 20, 2017

AMS signs deal with realty firm for 11 MWh of storage to create hybrid buildings

The systems from Advanced Microgrid Solutions are designed to automatically shift the buildings to battery power based on prices and demand response signals from Southern California Edison.

By Peter Maloney • April 20, 2017

Storage companies file FERC complaint against PJM regulation market rules

The Energy Storage Association argues PJM should have sought FERC approval for changes to the regulation market it says are unsuitable for short-duration batteries.  

By Peter Maloney • April 20, 2017

Is grid defection still a threat to the utility business model?

Three studies debate solar-plus-storage economics, but all agree the technology will disrupt the power sector.

By Peter Maloney • April 18, 2017

SoCal Edison, GE complete first hybrid gas-storage turbine

The 10 MW/4.3 MWh battery and gas turbine system will provide fast-start and ramping services, while reducing fuel consumption and emissions in Southern California Edison's service territory.

By Robert Walton • April 18, 2017

Despite lack of agreement, New Hampshire groups say solar struggle is 'worth it'

Months of negotiation over a net metering successor failed to produce a settlement, but did reveal ample common ground between utilities and solar advocates. 

By Herman K. Trabish • April 13, 2017

Ice Energy, NRG installing new energy storage solutions for SoCal Edison

The installations on some commercial and industrial buildings is part of Southern California Edison's mammoth 2015 storage procurement.

By Robert Walton • April 13, 2017

Maryland passes 30% energy storage tax credit for residential, C&I installations

The bill now goes to Gov. Larry Hogan (R), but passed with more than enough votes this week to override a veto. 

By Peter Maloney • April 13, 2017

Wal-Mart taps AMS to install 40 MWh of energy storage at California stores

Advanced Microgrid Solutions will put batteries at 27 of the retail giant's locations, helping reduce peak demand and providing grid services to Southern California Edison. 

By Peter Maloney • April 13, 2017

First BTM li-ion battery project approved in New York City

Fire safety concerns had blocked deployment of lithium-ion batteries in New York, despite the city's 100 MWh energy storage mandate. 

By Peter Maloney • April 12, 2017

Is battery energy storage at a 'turning point' for US utilities?

Speedy deployments of long-duration storage last year in California could mark a watershed moment for the sector, analysts say.

By Herman K. Trabish • April 11, 2017

'Enabler of the smart city': CPS Energy's CEO on democratizing distributed energy

Electric utilities have a central role to play in spreading the energy technologies that make smart cities possible, Paula Gold-Williams, CEO of San Antonio's municipal utility, told Utility Dive. 

By Gavin Bade • April 11, 2017

Vermont bill would direct PUC to draw up energy storage recommendations

Sponsor Rep. Laura Sibilia (I) says she is concerned Vermont could fall behind neighbors like Massachusetts, which is implementing a storage target for utilities. 

By Peter Maloney • April 11, 2017

California PUC approves doubling of SGIP funding, tilted toward storage

Utilities will allocate $83 million annually for three years to help fund customer-sited storage and renewable energy generation.

By Peter Maloney • April 10, 2017

North Carolina approves Duke's renewable microgrid project in the Smoky Mountains

The solar and battery microgrid will power a remote communications tower in the national park currently served by an overhead transmission line.  

By Peter Maloney • April 10, 2017

How New York is incentivizing utilities to interconnect DERs under REV

Regulators want to reward utilities for better performance on key tasks like DER interconnection — the question is how.

By Herman K. Trabish • April 6, 2017

Battery, tech companies urge Congress to include storage in infrastructure plans

The Energy Storage Association joined more than 50 other companies and groups in signing the letter to lawmakers. 

By Peter Maloney • April 6, 2017

Michigan regulators plan EV conference after utility withdraws 800-charger plan

Consumers Energy, car companies and charging station developers will work together this summer to devise a charging plan that works for both the utility and the private market. 

By Robert Walton • April 6, 2017

Greensmith software updates AEP storage facility to sell frequency regulation

A 14 MWh battery previously only used for backup power was reconfigured to sell into PJM markets. 

By Peter Maloney • April 5, 2017

New NREL report provides missing metric for valuing solar+storage facilities

The report uses NREL's solar cost methodology to identify a single benchmark for paired resources.

By Peter Maloney • April 4, 2017

Tesla patent application outlines design to scale battery systems to 1 GWh

By isolating small blocks of cells, the company says it could build battery systems that use cells of different types, ages, voltages or chemistries.

By Peter Maloney • April 4, 2017