AEE: Renewable energy demand rising rapidly among large corporations

More than 70 of Fortune 100 companies have set renewable energy or sustainability targets, up from 60 just two years ago, according to a new report.  

By Peter Maloney • Dec. 7, 2016

Updated: Illinois Gov. Rauner signs Exelon nuclear legislation

The bill to support unprofitable nukes and expand clean energy and efficiency passed the General Assembly last week. 

By Peter Maloney • Dec. 7, 2016

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

Inside construction of the world's largest lithium ion battery storage facility

SDG&E's 120 MWh Escondido storage project is being built in less than six months to help mitigate a natural gas shortage in southern California. 

By Gavin Bade • Dec. 6, 2016

Tesla acquires Germany's Grohmann, plans European battery factory

Something of a storage arms race is building between battery companies as they each try to ramp up production in huge new factories. 

By Peter Maloney • Dec. 6, 2016

Report: Global flywheel storage market to hit $477M by 2024

North America was the largest market for flywheel storage applications in 2015 with a share of more than 77%, the report says. 

By Peter Maloney • Dec. 5, 2016

How PG&E's EV charging pilot will test utility ownership models

A new proposed decision seeks to strike the right balance between utility investment and third party participation. 

By Herman K. Trabish • Dec. 5, 2016

Illinois passes sweeping energy bill with support for Exelon nuclear plants

Gov. Bruce Rauner (R) is expected to sign the bill that would touch nearly every aspect of the state's power sector. 

By Peter Maloney • Dec. 2, 2016

In New Hampshire, stakeholders debate the next NEM successor tariff

Proposals including demand charges and TOU solar compensation could help boost energy storage. 

By Herman K. Trabish • Dec. 1, 2016

Last-minute amendments slow progress on Exelon Illinois bill as deadline nears

Exelon and ComEd reached an agreement with Gov. Bruce Rauner that could see the bill signed — if legislators can push it through in time. 

By Peter Maloney • Dec. 1, 2016

Votes nearing, efficiency changes in Exelon Illinois bill draw environmental support

Further changes to Exelon's far-reaching Illinois legislation have won over some green groups, but lawmakers only have through Thursday to pass the bill.

By Peter Maloney • Nov. 30, 2016

AMS CEO: Energy storage can reach scale without subsidies

The biggest problem for energy storage is scale, and Advanced Microgrid Solutions has a plan to get there.

By Peter Maloney • Nov. 29, 2016

Illinois lawmakers still shaping Exelon nuclear bill ahead of planned Wednesday vote

The far-reaching legislation has seen a number of controversial provisions stripped from it as lawmakers try to push it through during the shortened session. 

By Peter Maloney • Nov. 29, 2016

IHS: Storage inverter market to grow 4 times larger by 2020 as adoption booms

As energy storage installations grow, IHS sees inverter and power conversion costs in steep decline. 

By Peter Maloney • Nov. 29, 2016

Scientists in Florida develop nano supercapacitor storage technology

Emerging flexible supercapacitors could be recharged as many as 30,000 times without degrading. 

By Peter Maloney • Nov. 23, 2016

Ameren opposes Exelon's Illinois nuclear energy bill

Ameren is wary of the bill impacts on its 1.2 million customers in southern Illinois, even though some of its coal plants could benefit. 

By Peter Maloney • Nov. 22, 2016

Siemens, LO3 Energy teams up for blockchain-powered microgrid in Brooklyn

The microgrid will allow rooftop photovoltaic systems to feed excess electricity back to the local grid and receive payments from the purchasers.

By Peter Maloney • Nov. 22, 2016

How California utility regulators are turning electric vehicles into grid resources

Harnessing the power of electric vehicles will be critical to the state’s renewable energy and climate goals, but big questions remain about how to spur adoption and structure the charger buildout.  

By Herman K. Trabish • Nov. 21, 2016

Inside Exelon's last-minute push to save its nukes and remake the Illinois power sector

The Illinois legislature has a week to decide on a far-reaching energy reform bill that also includes coal subsidies and controversial rate design changes.

By Peter Maloney • Nov. 18, 2016

FERC seeks comment on new rules for energy storage in wholesale power markets

The Notice of Proposed Rulemaking stems from concerns that electric storage resources may face barriers that limit them from participating in organized markets.

By Peter Maloney • Nov. 18, 2016

Exelon's Illinois energy bill greeted by vociferous opposition

Critics decried the inclusion of capacity payments for coal plants and residential demand charges. 

By Peter Maloney • Nov. 17, 2016

A 'turning point' for DERs? Utilities, vendors praise new NARUC rate design manual

A new guide to distributed energy rate design and compensation lays out the important questions but leaves the heavy lifting to state commissions.

By Herman K. Trabish • Nov. 17, 2016

Tesla, SolarCity merger approved with 85% shareholder support

More than 85% of unaffiliated shareholder votes were cast in favor of the merger, the company said, though final results are still pending.

By Gavin Bade , Krysti Shallenberger • Nov. 17, 2016

US power electronics company Ideal Power enters German storage market

Ideal Power's systems can operate in 50 Hz or 60 Hz environments, giving them access to a variety of geographical markets.

By Peter Maloney • Nov. 16, 2016

Walmart, Axiom Exergy partner for refrigeration energy storage project

The battery would be “charged” at night by freezing salt water and discharged during the day to decrease peak power consumption.

By Peter Maloney • Nov. 16, 2016

As energy storage booms in New York, officials tackle safety measures

The Fire Department of the City of New York is at the forefront of coming up with procedures to safely deploy battery storage. 

By Peter Maloney • Nov. 15, 2016