Energy Storage

New York unveils roadmap to 1.5 GW storage by 2025

The state has considerations underway to set a more ambitious long-term energy storage target for 2030.

By Iulia Gheorghiu • June 21, 2018
Daimler facility stores batteries for EVs while providing storage to grid

Daimler and Mercedes-Benz Energy are providing grid service from an energy storage facility in a former German coal plant.

By Peter Maloney • June 21, 2018
Colorado regulators boost Xcel efficiency target 25%

Xcel subsidiary Public Service Company of Colorado asked the PUC to keep its goal steady at 400 GWh of annual reductions, but regulators are convinced the utility can do more.

By Robert Walton • June 21, 2018
Republicans tout tax law success in hearing on energy sector impacts

While Republican witnesses cited increased wages, capital expenditures and company growth from the recent changes to the tax code, the lone Democrat witness said the bulk of the benefits are bypassing the middle class.

By Peter Maloney • June 21, 2018
DOE: Puerto Rico has plenty of options for new generation

A new report on options for rebuilding the island's grid recommends considering a wide range of renewables and alternative fuels, an expansion of liquefied natural gas imports, microgrids and energy storage.

By Robert Walton • June 20, 2018
Deep Dive
In Massachusetts, capacity ownership of distributed resources could determine fate of storage

Current debates over ownership and control of capacity rights associated with solar and energy storage projects could have a big impact on the trajectory of the technologies in the state.

By Peter Maloney • June 20, 2018
World on track for 50% renewables by 2050, says Bloomberg energy outlook

Wind and solar will provide almost 50% of the world's electricity, with hydro, nuclear and other renewables taking total zero-carbon electricity up to 71%.

By Robert Walton • June 19, 2018
US, EU research further integrates solar and storage

An energy-storing solar cell? Medium-voltage silicon carbide inverters? Research in the United States and Europe could make harnessing solar energy more efficient and cost effective.

By Robert Walton • June 19, 2018
Opinion
5 things utilities should consider for energy storage

Utilities navigating energy storage integration should take into account the flexibility and speed of modular programs when comparing storage to gas peaker plants, Axiom Exergy's John Lerch writes.

By John Lerch
Vistra plans largest energy storage project in Texas

The 10 MW, 42 MWh lithium-ion battery would be located at the 200 MW Upton 2 solar plant.

By Robert Walton • June 19, 2018
Deep Dive
Is New Hampshire on the verge of battery energy storage history?

A Liberty Utilities-stakeholder settlement could put 1,000 behind-the-meter batteries in place and provide a model for the rest of the country.

By Herman K. Trabish • June 19, 2018
100% renewable energy omnibus clears Massachusetts Senate

The package of energy bills would also remove net metering caps, increase the storage mandate and void demand charges approved earlier this year for Eversource.

By Iulia Gheorghiu • June 18, 2018
Scientists say new material can triple lithium-ion battery energy density

The research strategy could be applied to other high-energy conversion materials, and future studies may use the approach to improve other battery systems.

By Peter Maloney • June 15, 2018
Vistra will shrink its generating portfolio before growing it, CEO says

At a June 12 analyst meeting, Curtis Morgan also said the company is looking at energy storage opportunities and criticized the Trump Administration's plans to support ailing coal and nuclear plants.

By Peter Maloney • June 14, 2018
NV Energy 2.3-cent solar contract could set new price record

The utility's proposed power purchase agreement beats an Arizona project that GTM Research previously said was the cheapest solar contract in the nation.

By Gavin Bade • June 13, 2018
Gates, Bezos jump into storage via Breakthrough Energy VC fund

The billion dollar venture capital fund has identified storage as one of five key investment areas and has chosen startups Quidnet Energy and Form Energy as two of its initial investments.

By Peter Maloney • June 13, 2018
Deep Dive
California looks to next steps as utilities near energy storage targets

As Golden State utilities approach 2 GW of battery capacity, lawmakers are preparing mandates for 2 GW more.

By Peter Maloney • June 12, 2018
SDG&E approved for 5 storage projects totaling 334 MWh

San Diego Gas & Electric also received authorization for a new demand response program to be managed by OhmConnect.

By Robert Walton • June 11, 2018
Deep Dive
End of the 'gas rush?' Renewables, storage reaching cost parity, report finds

Portfolios of clean energy and batteries will soon be cost effective, according to a new RMI study, but $110 billion in planned natural gas investments could slow adoption.

By Herman K. Trabish • June 11, 2018
National Grid settlement curbs rate increase, ups grid mod in Rhode Island

The agreement is part of Rhode Island's power sector transformation and calls for investments in electric vehicle infrastructure, energy storage and advanced metering.

By Robert Walton • June 11, 2018
Musk says Tesla can get li-ion cell prices below $100/kWh this year

The Tesla CEO is again pushing the envelope with promises for energy storage and electric vehicles.

By Peter Maloney • June 07, 2018
First grid-scale liquid air energy storage plant launches in UK

Highview Power says the technology can scale to hundreds of megawatts and could store enough electricity to power around 100,000 homes for many days.

By Peter Maloney • June 06, 2018
PJM region and California dominate US storage via different paths

While the two jurisdictions are dominating, other areas are rising as New York and Massachusetts implement energy storage targets.

By Peter Maloney • June 06, 2018
Deep Dive
Grid mod policy actions jump 75%, with storage playing a central role

While the number of actions rose significantly from Q1 2017 to Q1 2018, they remained within the same set of 37 states, according to the latest edition of 50 States of Grid Modernization.

By Herman K. Trabish • June 05, 2018
Colorado integrates storage into utility planning process

Gov. Hickenlooper signed a bill Friday directing the state's Public Utilities Commission to develop procurement rules to enable investor-owned utilities to acquire energy storage systems.

By Robert Walton • June 05, 2018