Largest wind project in hemisphere approved for New Mexico, but transmission tie in limbo

Regulators approved a 2.2 GW wind farm but last month turned back an application for a transmission line that is supposed to deliver the clean energy to California markets. 

By Gavin Bade • Oct. 12, 2018

Hawaiian Electric plans 7 solar+storage projects, adding 260 MW solar

The projects, currently in contract negotiations, are the result of an "ambitious, expedited procurement effort" launched in February, said the utility.

By Robert Walton • Oct. 11, 2018

Explore the Trendline➔

Top 5 Stories from Utility Dive

Power demand is rising amid dramatic shifts in federal energy policy, but technology and markets continue to push the grid toward cleaner, more distributed resources. 

By Utility Dive staff

Duke Energy to spend $500M on battery storage in next 15 years

Duke Energy is planning a large battery investment in the Carolinas, and on Monday asked state regulators to approve a solar project as well.

By Robert Walton • Oct. 11, 2018

DC's aggressive clean energy bill gets initial hearing

The bill would require the District to use 100% renewable energy by 2032. Currently, the city is on track to get 50% of its energy from renewable sources in that time.

By Jason Plautz • Oct. 11, 2018

DOE energy storage grants look to the day when renewables rule the grid

DOE program aims at low cost, long duration storage to meet grid needs when renewable penetration rises above 50%.

By Peter Maloney • Oct. 9, 2018

Montana case could set FERC precedent for paired storage treatment under PURPA

A utility and developer are battling at FERC over whether wind-plus-storage facilities qualify under the federal law, which compels utilities to purchase power from small renewable generators. 

By Gavin Bade • Oct. 9, 2018

Ørsted expands US offshore wind presence with $510M buy

The Danish offshore wind developer plans to close its acquisition of Deepwater Wind by the end of 2018.

By Iulia Gheorghiu • Oct. 9, 2018

Michigan regulators clear Consumers PURPA rates, green tariff programs

Solar advocates say the avoided cost rates, on hold since November, will bring more certainty for potential investors.

By Iulia Gheorghiu • Oct. 8, 2018

Arizona regulator wants to adopt 80% clean energy plan before gas moratorium ends

Commissioner Andy Tobin wants to have the Arizona Energy Modernization Plan adopted as a final rule by the middle of February — significantly faster than typical rulemaking proceedings.

By Robert Walton • Oct. 8, 2018

First US freshwater offshore wind project gets DOE approval, funding proposal

Federal regulators determined the Ohio Icebreaker Wind project, opposed by the coal company Murray Energy, will not have a "significant" environmental impact. 

By Iulia Gheorghiu • Oct. 5, 2018

How rising global temperatures will affect 6 major cities

The earth is on a trajectory to warm 3-4°C by 2100. This heat map details how that rise in temperatures will affect major metropolitan hubs.

By Kristin Musulin • Oct. 5, 2018

Washington regulators approve tight rules on community solar

Some community solar advocates are raising concerns about the regulatory tape small entities could face in order to establish new projects.

By Catherine Morehouse • Oct. 4, 2018

Proposed Pepco substation highlights DC's grid modernization battle

Pepco's proposed substation faces pushback from district residents and environmentalists as the utility looks to modernize the capital's grid in response to changing demand and population growth. 

By Peter Maloney • Oct. 4, 2018

SunPower becomes biggest US solar panel builder with SolarWorld purchase

The company's domestic manufacturing capacity expanded due to its acquisition of SolarWorld, one of the solar panel tariff petitioners, as part of an ongoing shakeout of U.S. production.

By Iulia Gheorghiu • Oct. 4, 2018

Connecticut agencies say Millstone 'at risk' as Dominion seeks boost in clean energy RFP

If the state's Public Utilities Regulatory Authority agrees Dominion's Millstone nuclear plant is 'at risk,' it could receive above-market rates in Connecticut's solicitation for zero emission resources.

By Peter Maloney • Oct. 3, 2018

PJM recasts capacity repricing in market reform filing at FERC

The generator is trying for a second time to boost revenues for coal and gas generators in its capacity market after federal regulators threw out its market rules in June.

By Gavin Bade • Oct. 3, 2018

EPA MATS rollback threatens DOE carbon capture priorities, critics warn

Allowing utilities to stop using pollution scrubbers mandated under the EPA's Mercury and Air Toxics Standards could raise the price for coal plants to adopt carbon capture, proponents of the technology said. 

By Iulia Gheorghiu • Oct. 2, 2018

9 solar and storage executives share utility wish lists

From sharing system data to opening grid plans to DERs, distributed energy vendors have a long list of priorities for utilities to address.

By Iulia Gheorghiu • Oct. 2, 2018

When PJM's capacity market stops working for consumers is it time to leave?

Illinois Commerce Commission Chairman Brien Sheahan urges states with renewable energy mandates or nuclear subsidies to reevaluate their participation in the largest U.S. electricity market.

By Brien J. Sheahan​ • Oct. 2, 2018

True Value: To get to tomorrow's grid, DER grid services must be compensated right today

At Solar Power International 2018, the solar-plus-storage industry advanced new possibilities for the power system regarding storage and distributed resources, but also confronted new questions.

By Herman K. Trabish • Oct. 1, 2018

PJM: 'Significant chunk' of renewables to come from corporate procurement

Direct purchases from corporations are the largest area of renewable energy growth in the RTO, said senior market strategist Andrew Levitt.

By Iulia Gheorghiu • Oct. 1, 2018

New solar hybrid combines energy storage with record system efficiency

Scientists from the University of Wisconsin-Madison and Saudi Arabia say they have developed a device that could help electrify remote areas.

By Robert Walton • Oct. 1, 2018

Westar rate cut gets Kansas OK, but new solar demand charge could hike bills

Demand charges are common for industrial and larger commercial customers, but utilities have been trying to get regulators to approve them for residential customers as well.

By Robert Walton • Oct. 1, 2018

Michael Bloomberg to lead UN green finance campaign

The former New York City mayor will lead a year-long initiative meant to drive at least $100 billion of private finance by 2020 to programs that fight climate change.

By Jason Plautz • Sept. 28, 2018

Massachusetts launches solar incentive program to develop 1.6 GW

The long-awaited Solar Massachusetts Renewable Target program is expected to save ratepayers an estimated $4.7 billion.

By Robert Walton • Sept. 28, 2018