NRG Energy, Toshiba deploy 2 MW battery storage system in ERCOT

The project will help integrate wind power in the Electric Reliability Council of Texas. 

By Peter Maloney • Nov. 13, 2017

New DNV GL service allows independent testing of li-on battery lifetimes across brands

The tool compiles battery lifecycle data and predicts battery degradation under different conditions and duty cycles.

By Peter Maloney • Nov. 10, 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

Senate GOP tax bill preserves wind PTC, EV tax credits

The bill's significant differences from a House tax package — which would cut wind subsidies and eliminate the electric vehicle credit — could set up contentious debates in the weeks to come.

By Peter Maloney • Nov. 9, 2017

One small step for Hawaii solar, one leap toward 100% renewables

After Hawaii regulators approved two new solar tariffs last month, solar customers in the state must now decide whether to buy, lease or pass on battery storage.

By Herman K. Trabish • Nov. 9, 2017

National Grid plans to install a 48 MWh battery storage system on Nantucket

The Massachusetts island is currently experiencing a rise in power demand and aging diesel generators, which provide partial backup power. 

By Peter Maloney • Nov. 9, 2017

Getting on top of the next wave in energy storage: The utility-integrated era

Why is energy storage so important to managing ever-growing levels of distributed energy resources?

Nov. 9, 2017

Heating and A/C company Trane acquires ice energy storage company CALMAC

Previously, CALMAC focused on building owners by using its technology to control high demand charges during peak usage from air conditioners. 

By Peter Maloney • Nov. 8, 2017

Energy storage gets a bigger seat at the utility planning table

The growing inclusion of storage in integrated resource plans is, to some extent, the next step in the evolution of the technology at utility-scale.

By Peter Maloney • Nov. 7, 2017

Uncertainty reigns in renewables sector as tax package, NOPR loom

At the RPS Summit in Arlington, Virgina, experts said the renewables sector is closely watching developments from a new tax reform package and the DOE's cost recovery rule. 

By Krysti Shallenberger • Nov. 7, 2017

Energy storage could hit 35 GW by 2025, new white paper says

The technology only makes up 0.5 GW of market share in the United States. But that's set to change, according to a new white paper.

By Peter Maloney • Nov. 7, 2017

AEP to invest $1.8B in renewable energy

The utility also plans to invest $18 billion in T&D and boasts a 3,570 MW pipeline of wind and solar projects over the next seven years. 

By Peter Maloney • Nov. 7, 2017

Moody's: Regulated utilities stable, but unregulated power sector outlook remains negative

Potential market reforms, such as the Energy Department's cost recovery proposal, could bolster coal and nuclear in the competitive markets, but delay closing uneconomic plants. 

By Peter Maloney • Nov. 6, 2017

House GOP tax package boosts nukes, slashes wind, EV credits

The long awaited tax package includes an estimated $6 billion credit for nuclear power but would cut the wind PTC and end incentives for electric vehicles.  

By Peter Maloney • Nov. 3, 2017

Despite earnings tumble, Tesla deploys 110 MWh of storage in Q3

The company said it is on track to deliver its 100 MW, 129 MWh energy storage project in South Australia, which it promised to build in 100 days.

By Peter Maloney • Nov. 3, 2017

Portland General to spend up to $100M for 39 MW of energy storage

The utility's plan will help it comply with Oregon's energy storage mandate, requiring major utilities to deploy a minimum of 5 MWh of energy storage by 2020.

By Peter Maloney • Nov. 2, 2017

Lazard: Falling clean energy costs don't yet spell the end of baseload generation

The firm said alternative energy systems alone "will not be capable of meeting the baseload generation needs of a developed economy for the foreseeable future."

By Robert Walton • Nov. 2, 2017

PNM issues RFP for 456 MW of resources, pushing for renewables and storage

The utility announced earlier this year that it plans to phase out coal-fired generation completely, replacing it with natural gas, storage, solar and its stake in the Palo Verde nuclear facility. 

By Peter Maloney • Nov. 2, 2017

SoCal Edison looks to decarbonize grid, transportation in new climate plan

The utility devised a framework that would help California meet its goal to slash emissions 40% from 1990 levels by 2030. 

By Robert Walton • Nov. 1, 2017

Is solar+storage eligible for net metering in Massachusetts? Tesla and others want to know

The state could become the first to provide comprehensive guidance on pairing energy storage with solar installations.

By Peter Maloney • Oct. 31, 2017

Technology, markets and contracts — oh my! The keys to profiting from California's duck curve

California policymakers look to address renewables over-generation through smart investments in supply- and demand-side resources.

By Herman K. Trabish • Oct. 30, 2017

Uptown Funk: Where will NYC get its peak demand capacity?

Few new peak providers have come online for the city because short-term market rules don’t offer investors the certainty they need.

By Herman K. Trabish • Oct. 26, 2017

PSE&G brings solar+storage online for resilience at New Jersey wastewater plant

Public Service Electric & Gas now has three solar-plus-storage systems online in New Jersey — all aimed at providing power during extended grid outages. 

By Peter Maloney • Oct. 26, 2017

Tesla's first Puerto Rico battery project is a microgrid at a children's hospital

Small renewable energy and battery-based projects are being deployed on the island while work continues to rebuild the bulk power grid.

By Robert Walton • Oct. 25, 2017

Hydro-Quebec, DOE to explore collaboration on storage, EVs

Lawrence Berkeley National Laboratory and the Canadian utility may partner to accelerate development of next-generation battery materials, processes and methodologies.

By Robert Walton • Oct. 25, 2017

Storage, smart grid and energy efficiency companies see jump in VC funding: Mercom Capital

The technologies are on track to beat the $1.3 billion secured in 2016 after a 35% year-over-year increase in funds raised through the first nine months of 2017.

By Peter Maloney • Oct. 25, 2017