'Stunning' APS RFP could violate Arizona gas moratorium, critics say

The request for 800 MW of peaking capacity limits renewables and energy storage to 100 MW, which clean energy advocates say could run afoul of a regulatory pause on gas investments.

By Gavin Bade • May 14, 2018

South Australia's grid service costs slashed 90% by Tesla battery

New data shows the 100 MW / 129 MWh battery has already taken over 55% of the state's frequency control ancillary services.

By Iulia Gheorghiu • May 14, 2018

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

Agility is the antidote to disruption: Strategies to unlock your utility's agile performance

Unlock your utility’s agility to evolve into a resilient company that thrives in the most uncertain business climates.

By Kate West • May 10, 2018

EnSync's solar+storage to allow energy sharing in Hawaii

By combining solar energy and storage to share power, the company says it can increase system efficiency and lower costs.

By Peter Maloney • May 10, 2018

California to require rooftop solar for new homes

The state is the first to mandate that new homes be built using advanced energy efficiency measures and rooftop solar, starting in 2020.

By Iulia Gheorghiu • May 9, 2018

Washington utilities need better carbon cost estimates in IRPs, regulator says

Washington utilities file an integrated resource plan every two years. Regulators want to see a more robust assessment of climate change risks in the next one.

By Peter Maloney • May 9, 2018

New York City moves to streamline energy storage permitting

City agencies and officials are working to remove barriers to energy storage installations, with comprehensive new guidelines on installing outdoor lithium-ion batteries.

By Peter Maloney • May 8, 2018

Tesla's Musk talks 'gigawatt-hour scale' storage project

Tesla CEO Elon Musk is thinking big and bigger, building on the success of the company's 129 MWh South Australia project.

By Peter Maloney • May 8, 2018

EIA: Gas to outpace renewables for 2018 US gen additions

For the first time in five years, renewables are expected to make up less than 50% of capacity coming online.

By Robert Walton • May 7, 2018

Solar has transformed into solar-plus-storage: What will net metering become?

Two prominent policy actions that could drive a more innovative use of solar-plus-storage are time-of-use rates and three-part rates with demand charges.

By Herman K. Trabish • May 7, 2018

[Podcast] Where's the energy cloud going?

Welcome to Beyond the Electron: The Energy Cloud podcast series. 

By Utility Dive's studioID • Updated Feb. 12, 2020

How can US utilities be ready when everything changes?

EY has modeled three critical tipping points for utilities on the way to a new energy system. In Europe and Oceania they're staggered, but in the U.S., they'll arrive in much quicker succession, Dana Hanson writes.

By Dana Hanson • May 4, 2018

Solar at the crossroads: Is utility-scale, distributed or both the way to go?

Sunrun says solar's future is on rooftops, but solar advocates and utilities say an advanced power system with utility-scale and distributed energy resources is a better bet.

By Herman K. Trabish • May 3, 2018

HECO proposes 2 large battery projects to support renewables push

Proposals include 20 MW and 100 MW battery systems, which must be approved by state regulators.

By Robert Walton • May 3, 2018

100-Hour storage? DOE launches $30M program to explore new technologies

The program is designed to address the needs of intermittent generation sources, such as wind and solar, by enabling a new set of applications that can provide long lasting backup power.  

By Peter Maloney • May 1, 2018

Lithium-ion domination could block promising storage technologies, MIT finds

Li-ion batteries are good for transportation applications, less so for the grid. But their dominance is making it difficult for producers of alternative storage technologies to survive, much less innovate and scale up.

By Peter Maloney • May 1, 2018

Mercedes-Benz abandons residential storage ambitions

The expensive residential batteries intended to challenge Tesla's Powerwall were "overdesigned," the company said.

By Robert Walton • May 1, 2018

Illinois energy law revives renewables while aiding nuclear

The Future Energy Jobs Act is also expanding energy efficiency in the state, but the nuclear subsidies are being challenged in court.

By Peter Maloney • April 30, 2018

Arizona utilities cautious over costs, reliability for proposed 80% clean energy mandate

Meanwhile, two competing ballot proposals would seek to amend the state's constitution to hit 50% renewable energy by 2050 — setting the stage for another political showdown in the state. 

By Robert Walton • April 26, 2018

Hawaii Gov. Ige signs law mandating performance-based utility regulation

The law goes further than other performance-based efforts, directing the PUC to "break the direct link" between utility revenues and capital investments.

By Gavin Bade • April 25, 2018

Pacific Power analysis shows storage pilot projects currently uneconomic

Based on its projections, the utility estimates that energy storage has the potential to become cost effective in 2029.

By Peter Maloney • April 24, 2018

Colorado Senate approves second storage bill, waits on House

The bill would "establish mechanisms" for investor-owned electric utilities to procure energy storage systems, though certain criteria would need to be met.

By Robert Walton • April 24, 2018

FERC Order 845 opens door a little wider for energy storage

The commission's order on interconnection agreements makes it easier to combine storage with generation

By Peter Maloney • April 23, 2018

Report: Storage nabs biggest portion of $472M in Q1 venture funding

Investors committed $300 million in a dozen deals for battery storage, nearly double compared to the fourth quarter in 2017. 

By Robert Walton • April 23, 2018

FERC issues NOI seeking comments on gas pipeline evaluations

The NOI seeks comment on how FERC evaluates the need for pipelines, its use of eminent domain, the environmental impact of pipeline projects and the efficiency of FERC's permitting process. 

By Gavin Bade • April 20, 2018