In first, US residential energy storage overtakes front-of-meter installations

For the first time, residential energy storage outpaced front-of-meter deployments, according to a Wood Mackenzie-Energy Storage Association report.

By Peter Maloney • Sept. 6, 2018

Sonnen aims to unify all aspects of the smart home

Through its new smart energy management system, Sonnen will unite home automation, residential solar and energy storage with intelligent load control.

By Robert Walton • Sept. 6, 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

US residential storage capacity sees 317% growth

A survey compiled by the Smart Electric Power Alliance shows rapid growth in the deployment of residential storage resources, but relatively steady numbers in other storage sectors.

By Robert Walton • Sept. 5, 2018

EY: Global utility and power sector deals hit $180B in first half of 2018

Renewable energy continues to grow in importance, accounting for 46% of deal volume in the second quarter, EY says.

By Peter Maloney • Sept. 5, 2018

California's BTM energy storage moves forward, but is it good for the climate?

Legislators extended the state's self-generation incentive program, but regulators want to improve its GHG reductions.

By Peter Maloney • Sept. 4, 2018

California approves bill to limit utility liability for wildfires, but not CAISO expansion

The state legislature wrapped up the 2018 session by passing bills on electric vehicle infrastructure, battery storage and critical changes for utilities on wildfire liability laws.

By Iulia Gheorghiu • Sept. 4, 2018

Energy storage gets a boost as California legislature extends SGIP

Extension of the Self Generation Incentive Program ​program could help the growth of rooftop solar in California.

By Peter Maloney • Aug. 31, 2018

Exclusive: Ohio PUC details utility reform roadmap in PowerForward initiative

The plan, a product of a year-long business model investigation, aims to create a level playing field for innovation on the utility distribution system.

By Iulia Gheorghiu • Aug. 29, 2018

Colorado approves Xcel plan to retire coal, shift to renewables and storage

The plan will see the utility retire 660 MW of coal power and invest $2.5 billion in renewable energy, part of Xcel's "steel for fuel" strategy.

By Catherine Morehouse • Aug. 28, 2018

FERC says SCE can't treat storage customers differently in service

Southern California Edison sought authority to curtail electricity service to storage customers first during times of peak demand, but FERC said that would be "unduly discriminatory."

By Gavin Bade , Catherine Morehouse • Aug. 28, 2018

Face the heat: Should EV incentives be restructured for battery degradation?

A new study advocates scaling electric vehicle incentives based on how quickly batteries wear out, but critics say it misses the bigger picture. 

By Herman K. Trabish • Aug. 28, 2018

MISO previews storage changes, enacts five-minute energy market settlements

The Midcontinent ISO last week announced it implemented five-minute settlements across its energy market while also establishing details of how storage assets will be able to participate in trading.

By Robert Walton • Aug. 27, 2018

Rhode Island approves National Grid modernization plan, rate increase

While gas and low income electric customers will see rate decreases, average residential power customers will see a 3.5% increase.

By Robert Walton • Aug. 27, 2018

PacifiCorp, Idaho Power agree to make CAISO their reliability coordinator

As the California grid operator draws closer to filing at FERC for approval of its Reliability Coordinator services, two more utilities have signed on following a commitment by the Balancing Authority of Northern California in July.

By Peter Maloney • Aug. 24, 2018

Lithium-ion battery deployments to increase 800% from 2017 to 2022: GTM

Deployments will increase at a rate of 55% a year — from 2 GWh in 2017 to 18 GWh in 2022 — with most occurring in the United States, followed by China, Japan and Australia.

By Peter Maloney • Aug. 23, 2018

35 California mayors sign on to support 100% EV state transit proposal

As a national leader in the deployment of electric buses, California regulators are proposing to transition the state's entire transit fleet to EV by 2040.

By Iulia Gheorghiu • Aug. 23, 2018

Thermal energy storage drops refrigerated warehouse's peak demand by 29%

Viking Cold Solutions has completed a measurement and verification study at one of its customer's warehouses, showing significant reductions in peak demand and overall consumption.

By Robert Walton • Aug. 22, 2018

Tucson Electric proceeding lays groundwork for customer solar+storage rate

Residential solar advocates wonder what sort of solar-plus-storage rate can sweeten the deal for TEP customers in the "post net metering paradigm."

By Iulia Gheorghiu • Aug. 22, 2018

US military pushes clean energy with largest on-base battery

Sited in Colorado, the 8.5 MWh behind-the-meter lithium-ion battery will be the largest stand-alone commercially contracted battery at an army base, according to the developers.

By Robert Walton • Aug. 22, 2018

Montana developer eyes PURPA contracts for 320 MW of wind, 640 MWh of storage

Caithness Beaver Creek wants to build four 80 MW wind projects paired with 40 MW/160 MWh batteries, but couldn’t come to an agreement with utility Northwestern Energy over capacity payments.

By Gavin Bade • Aug. 21, 2018

BTM storage is booming in Ontario

A flurry of energy storage projects highlights opportunities for large industrial customers to reduce a costly rate structure established in 2005.

By Peter Maloney • Aug. 20, 2018

Ontario develops largest BTM storage system in North America

The system highlights opportunities for addressing Ontario's high demand charges.

By Peter Maloney • Aug. 16, 2018

Modernizing renewables mandates is no longer about the megawatts

While renewables mandates have been successful and cost effective, studies show evolving power systems should focus on decreasing peak demand and cutting emissions.

By Herman K. Trabish • Aug. 16, 2018

PG&E's landmark energy storage projects snagged by pushback

The CPUC extended the approval process for the four projects after critics filed comments claiming the utility did not meet regulatory criteria.

By Peter Maloney • Aug. 14, 2018

MISO plans storage market roles in response to FERC Order 841

Proposed rules would have two metrics for measuring energy storage capacity to help the resources participate in wholesale electricity markets. 

Aug. 13, 2018