Ahead of FERC storage order deadline, new rules begin to take shape in PJM

PJM Interconnection's straw proposal gives a glimpse into how energy storage might participate more in wholesale markets.

By Peter Maloney • Oct. 2, 2018

9 solar and storage executives share utility wish lists

From sharing system data to opening grid plans to DERs, distributed energy vendors have a long list of priorities for utilities to address.

By Iulia Gheorghiu • Oct. 2, 2018

Explore the Trendline➔

Energy Storage

The proliferation of energy storage in everything from utility-scale batteries to electric vehicles is a driving force in the transition to a cleaner, more distributed power system. This trendline includes the best Utility Dive reporting on this dynamic sector.

By Utility Dive staff

Johnson Controls, ConEd subsidiary partner to grow energy storage

The joint venture makes Consolidated Edison Solutions the exclusive provider of energy storage to Johnson Controls customers.

By Robert Walton • Oct. 2, 2018

True Value: To get to tomorrow's grid, DER grid services must be compensated right today

At Solar Power International 2018, the solar-plus-storage industry advanced new possibilities for the power system regarding storage and distributed resources, but also confronted new questions.

By Herman K. Trabish • Oct. 1, 2018

New solar hybrid combines energy storage with record system efficiency

Scientists from the University of Wisconsin-Madison and Saudi Arabia say they have developed a device that could help electrify remote areas.

By Robert Walton • Oct. 1, 2018

PSEG unveils 6-year clean energy plan, spending $2.8B on energy efficiency

The $4 billion plan includes investments in energy storage, smart meters and electric vehicle infrastructure.

By Robert Walton • Sept. 28, 2018

'Not your grandma's DER': Distributed resources modernize, prove value to grid

Portfolios of DER are finally operating and showing how customer-sited resources can be of great value to utilities and system operators.

By Herman K. Trabish • Sept. 27, 2018

Nevada approves 4-part plan to integrate more DER

The plans garnered support from clean energy advocates ahead of the state's ballot initiatives to spur renewable energy growth and to do away with regulated utility monopolies.

By Robert Walton • Sept. 27, 2018

The top 3 headaches for behind-the-meter C&I storage

Executives working on energy storage deployment in the commercial and industrial market sound off on recent trends and changes in the sector, including the biggest difficulties for BTM.

By Iulia Gheorghiu • Sept. 26, 2018

As residential energy storage booms, LG enters market with expandable battery

The company will offer a 5 kW AC-coupled system for homes where solar panels are already installed, and a 7.6 kW DC-coupled system for new installations.

By Robert Walton • Sept. 25, 2018

Bipartisan senators ask treasury secretary to expand storage tax credit eligibility

The IRS ruled this year that storage projects paired with solar systems that met internal investment tax credit qualification would also be eligible for the credit.

By Iulia Gheorghiu • Sept. 21, 2018

Sempra to sell $1.54B solar, storage assets to Con Edison

The sale is the first part of a multiphase, portfolio-optimization initiative for Sempra.

By Iulia Gheorghiu • Sept. 21, 2018

As California leads way with TOU rates, some call for simpler solutions

The state continues its nearly 20-year effort to get to residential time varying rates, but hurdles remain.

By Herman K. Trabish • Sept. 20, 2018

DOE seeks 100-hour energy storage systems, new battery materials

DOE is allocating about $28 million for 10 projects that aim to significantly increase energy storage duration and $120 million for the Joint Center for Energy Story Research program on new battery materials.

By Peter Maloney • Sept. 19, 2018

New York PSC moves state closer to energy storage, climate goals

The recent steps push state regulators closer to a vote on implementing the actual policy directives of the ambitious Energy Storage Roadmap.

By Peter Maloney • Sept. 17, 2018

Amid steady battery growth, Fluence sets sights on market share, transmission assets

Having proven itself on utility-scale projects, the company eyes behind-the-meter projects on the commercial-industrial side and opportunities at the "center of the grid."

By Iulia Gheorghiu • Sept. 14, 2018

Salesforce, Kaiser Permanente add to boom in corporate renewable PPAs

As companies reach for emissions-free operations, renewable energy power purchase agreements are on the rise.

By Peter Maloney • Sept. 14, 2018

SPI 2018: Celebrate the growth of green energy!

The cost of renewables and energy storage has become competitive with conventional thermal generation in many parts of the world. Which means our industry will be growing big time in the foreseeable future. 

Sept. 14, 2018

Renewables: As rooftop solar expands, states grapple with successors to net metering

Replacements to the controversial solar incentive have cropped up in Hawaii, California and elsewhere, but policymakers have struggled to devise a replicable model across the U.S. 

By Herman K. Trabish • Sept. 13, 2018

EMotorWerks provides CAISO with 30 MW of DR through smart EV charging

The EV chargers act as a virtual battery, providing up to 70 MWh of storage capacity to the California ISO market.

By Peter Maloney • Sept. 12, 2018

APS rolls out 3 new customer-sited storage and efficiency programs

The new offerings for smart thermostats, batteries and efficient water heaters come as the utility fights against a 50% renewable energy initiative on the ballot this November. 

By Robert Walton • Sept. 12, 2018

Arizona regulators approve lower rooftop solar credits for TEP, UNSE customers

Regulators did not cut solar compensation as much as the utilities wanted, but installers still worry the lower rates will hamper adoption. 

By Iulia Gheorghiu • Sept. 12, 2018

Battery material shortage pushes developers to shift li-ion chemistries

Demand for nickel manganese cobalt batteries is outstripping supply, so some storage developers are turning to the more "rugged" lithium iron phosphate chemistry.

By Peter Maloney • Sept. 11, 2018

Pepco unveils $15M transportation electrification program for DC

Electric vehicle growth has been uneven in the District of Columbia, where two-thirds of residents are renters and have limited access to charging infrastructure.

By Robert Walton • Sept. 10, 2018

California ISO board approves measures to propel energy storage, DERs

CAISO's Board of Directors approved changes to how behind-the-meter energy storage resources participate in the ISO and measures to facilitate the use of demand response resources in the wholesale market.

By Peter Maloney • Sept. 7, 2018