Utility-integrated storage is coming: The time is now to engineer-for-scale and mitigate risk

Rapid adoption of utility-integrated energy storage requires the shared development of open software standards between industry actors to assure interoperability and reduce costs of future systems.

Dec. 11, 2017

PG&E, Exelon deals underscore power sector's foray into energy storage

PG&E has teamed up with EDF Renewables to build a storage portfolio while Exelon invests in an energy storage startup.

By Peter Maloney • Dec. 7, 2017

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

'But wait, there's more!' — Cuomo seeks update to New York storage bill

The governor's signing memo for the energy storage bill last month calls for the legislation to be amended in 2018.

By Peter Maloney • Dec. 5, 2017

NY ISO plan sees storage in state's wholesale markets by 2020

As the state moves to set recently enacted storage targets, the grid operator laid out a three-phase plan that focuses on integration, optimization and aggregation.

By Robert Walton • Dec. 5, 2017

As grid modernization accelerates, which states are in the lead, and why?

California, Illinois and Texas are at the top, according to the latest GridWise survey, with Rhode Island, Colorado and Washington showing the biggest improvement over the prior rankings.

By Herman K. Trabish • Dec. 5, 2017

Analysts expect final GOP tax bill will throttle renewable energy

At least some aspects of the Senate bill harmful to wind and solar — like the BEAT provision and minimum corporate tax — are expected to survive this week's conference committee.

By Peter Maloney • Dec. 5, 2017

Feud of the Year: Nuclear and coal vs. competitive markets

The closing of coal and nuclear plants has sparked a regulatory battle that has gone all the way to the top of the energy regulatory food chain.

By Peter Maloney • Dec. 4, 2017

Younicos to provide first battery linked to floating wind farm

The 1.3 MWh storage device will be connected to the Hywind project off the coast of Scotland and is expected to be operational in the second quarter of 2018.

By Robert Walton • Dec. 1, 2017

New York energy storage target official after Gov. Cuomo signs bill

The state is now the fourth with an energy storage target, but specific details have yet to be unveiled. 

By Peter Maloney • Dec. 1, 2017

Top energy storage projects driving the sector in 2017

From transmission deferral to hybrid generation, 2017 has seen a number of notable projects done by or for regulated utilities.

By Peter Maloney • Nov. 28, 2017

Arizona Public Service taps Sunverge for residential energy storage pilot

The company has now inked deals with major electric utilities in Arizona, Florida and Vermont for its intelligent storage systems and Virtual Power Plant platform.

By Robert Walton • Nov. 28, 2017

DOE identifies possible microgrid opportunities in Puerto Rico

The island continues to struggle with rebuilding its electric grid after Hurricane Maria, but federal officials say there is progress in making the power supply more resilient.

By Robert Walton • Nov. 28, 2017

Tesla wins 100-day bet to build 129 MWh battery in Australia

Tesla CEO Elon Musk guaranteed his company would complete the facility — reportedly the largest lithium-ion system in the world — in 100 days or less, or it would be free.

By Robert Walton • Nov. 27, 2017

Atlanta passes infrastructure ordinance to support EV charging

The new regulations require builders to install electrical infrastructure in new buildings that can support electric vehicle charging. 

By Katie Pyzyk • Nov. 22, 2017

Has California built its last natural gas plant?

Two pending decisions from state regulators will decide how the Golden State moves toward a clean(er) energy future. 

By Herman K. Trabish • Nov. 22, 2017

Storage for T&D deferral works, Arizona Public Service finds in Tonto National Forest

An Arizona Public Service project provides a case study in deploying energy storage to avoid transmission and distribution investment.

By Peter Maloney • Nov. 21, 2017

New MIT material stores thermal energy, releases it in light

Potential near-term applications include integration into clothing and cookware. Longer term, the material could store concentrated solar power with better control, researchers say.

By Peter Maloney • Nov. 21, 2017

Global energy storage to hit 125 GW by 2030, BNEF finds

Eight countries will lead the charge and install 70% of the anticipated capacity: the United States, China, Japan, India, Germany, U.K., Australia and South Korea.

By Robert Walton • Nov. 21, 2017

GE refocuses on power sector as a core business in new turnaround plan

The company's stock took a pounding in the wake of its investor update, with its performance hurt by slow power sector sales.

By Peter Maloney • Nov. 15, 2017

Do utilities need rate design for electric vehicle charging?

A Massachusetts muni is using analytics and a traditional marketing approach to shift EV charging off-peak. Will it work for everyone?

By Krysti Shallenberger • Nov. 15, 2017

FERC storage/DER integration proposal gets high marks, but other priorities loom

The commission’s proposed rule raises important issues, but could face delays as it tackles the grid resilience NOPR and other matters.

By Peter Maloney • Nov. 14, 2017

Diverse stakeholders sign Transportation Electrification Accord

The agreement offers principles and guidelines for moving forward with electric vehicles and necessary infrastructure.

By Katie Pyzyk • Nov. 14, 2017

Colorado electric co-op rolls out 'community battery' program

United Power Cooperative and SoCore Energy are developing a 4 MW, 16 MWh storage project to shave peaks and reduce demand charges as part of a new program. 

By Peter Maloney • Nov. 14, 2017

As feds focus on baseload, grid modernization is sweeping the nation

More than 30 states are considering far-reaching modernization and utility business model reforms, including new initiatives to integrate battery storage into grid planning processes. 

By Herman K. Trabish • Nov. 14, 2017

National Grid teams with national lab to study transmission modernization, storage

Pacific Northwest National Laboratory​ Director Steven Ashby said new technologies will improve reliability and resilience in strong weather events and cyber attacks.

By Robert Walton • Nov. 14, 2017