Arizona public utility data shows some savings with demand charge

But other customers paid significantly more if they did not alter their energy usage during peak demand. 

By Herman K. Trabish • March 29, 2016

Report: Australian network operators have 'real incentives' to adopt battery storage

An Australian transmission and distribution network operator released the results of a three-year trial testing a wide range of uses for battery storage that could delay or offset costly network investment. 

By Krysti Shallenberger • March 29, 2016

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

Report: ITC extension to boost storage-plus-renewables by 33%

A new GTM Research report finds storage's prospects improved with the recent federal ITC extension. 

By Krysti Shallenberger • March 29, 2016

Report: C&I storage could be $10.8B market by 2025

There have been challenges for commercial and industrial storage deployments to overcome, but the firm expects more than 9 GW to be installed in 2025.

By Robert Walton • March 28, 2016

Getting to 100% renewables: How Hawaii plans to get fossil fuels off the grid

In Hawaii, getting consensus around a 100% renewable energy mandate was the easy part. The hard part comes next.

By Gavin Bade • March 23, 2016

3 ways utilities can optimize energy storage

Anissa Dehamna from Navigant outlines three strategies for utilities to monetize energy storage

By Anissa Dehamna • March 22, 2016

How utilities can prepare for the invasion of the Virtual Power Plants

Virtual power plants are poised for growth, especially if standardization efforts succeed.

By Peter Maloney • March 22, 2016

Puerto Rico contracts for energy storage to meet 20% renewables mandate

The island’s clean energy goals require the Puerto Rico Electric Power Authority to obtain 20% percent of its electricity from renewable sources by 2035 even as the utility undergoes restructuring for $8.2 billion in debt. 

By Robert Walton • March 22, 2016

Tesla Motors abandons 10 kWh battery offering

Designed for backup power, and with a max life of 500 cycles, the economics just didn't support a 10 kWh residential battery, experts say.

By Robert Walton • March 21, 2016

Leading edge: Hawaii utilities push storage, solar integration for 100% renewables mandate

Two innovative projects on the islands could provide lessons for power providers throughout the country.

By Peter Maloney • March 21, 2016

Residential battery storage startup touts 'microgrid ecosystem' approach

ElectrIQ is offering a a 10 kW, fully-integrated storage package for homeowners, starting at around $16,000 retail, looking at batteries, inverters and energy meters as one package instead of seperate components. 

By Robert Walton • March 21, 2016

Alevo inks deal for 8-MW storage project in Delaware

Alevo signs deal for 8-MW storage project in Delaware that will sell into PJM.

By Peter Maloney • March 18, 2016

'Show me the money': Con Edison tackles business strategies for energy storage

Consolidated Edison will need to rely on energy storage to help meet New York's growing renewable standard, and so the utility has begun studying how to optimize and monetize the resource.

By Robert Walton • March 18, 2016

How utilities can turn DERs from threat into opportunity

Locational planning is just the beginning. Utilities need to plan from top to bottom for the coming proliferation of distributed energy resources, according to a new white paper.

By Herman K. Trabish • March 16, 2016

Why battery storage is key to a clean energy grid

In a guest post, former FERC Chairman Jon Wellinghoff argues that storage needs policy support to pave the way for the grid of the future.

By Jon Wellinghoff • March 16, 2016

ComEd forges ahead with ambitious microgrid plans amid legislative debate

A $4 million DOE grant could help ComEd build up to six microgrids in Chicago, depending on the outcome of pending legislation.

By Peter Maloney • March 15, 2016

General Electric seeks to capture CO2 for energy storage

GE Research is working on a way to use supercritical CO2 to enhance the storage capabilities of thermal solar power.

By Peter Maloney • March 12, 2016

Duke rolls out long, short duration hybrid battery storage system

Duke Energy combines techologies to create a low cost hybrid energy storage system to ease integration of renewables and store energy for peak demand. 

By Peter Maloney • March 11, 2016

Xcel to test battery storage, microgrid systems in Denver for solar

Xcel Energy's Colorado utility is launching two tests of battery storage systems that could be used to back up solar power and microgrids.

By Peter Maloney • March 10, 2016

Dueling studies draw battle lines for next Arizona utility-solar showdown

Studies commissioned by APS and TASC have hugely different approaches to solar valuation, but share an important piece of common ground.

By Herman K. Trabish • March 10, 2016

Learning by doing: How utilities are answering the distributed energy resources challenge

As our 2016 survey shows, utilities are beginning to understand how they can make money with distributed resources, but it's still a work in progress.

By Herman K. Trabish • March 9, 2016

SDG&E issues call for 140 MW of renewables, DERs, demand-side resources

The utility has issued an RFO for storage, renewables, distributed generation, energy efficiency and demand response resources to comply with CPUC procurement targets.

By Herman K. Trabish • March 9, 2016

HECO, E-Gear try storage to resolve solar installation bottleneck in Hawaii

Hawaiian Electric and E-Gear to deploy storage pilot program to address solar installation bottleneck on Molokai.

By Peter Maloney • March 9, 2016

As ITC extension promises growth, storage developers look to define position under tax code

Changes to the investment tax credit could give energy storage a boost.

By Peter Maloney • March 8, 2016

Charts: How will the Clean Power Plan stay affect the utility power mix transition?

Utilities will keep adding renewables and natural gas, but what happens to the Clean Power Plan could have a big effect on just how much of both are brought online in the coming years.

By Herman K. Trabish • March 8, 2016