SolarCity offers solar storage with Tesla batteries

The battery systems aim to cut peak demand charges for commercial customers.

By Ethan Howland • Dec. 5, 2013

Ohio energy bill stalls; sponsor vows to keep fighting

Bill to weaken efficiency, renewable rules appears dead for now. 

By Ethan Howland • Dec. 5, 2013

Explore the Trendline➔

Data Centers and the US Grid

A look at how data centers are affecting the U.S. grid today and how new technologies and rate structures could affect that trajectory in the years to come.

By Utility Dive staff

Why utilities are betting on wind

Here's a hint: it's not renewable mandates.

By Ethan Howland • Dec. 4, 2013

Super Bowl to be powered by renewables this year

Renewable credit purchase highlights New Jersey's solar resources.

By Ethan Howland • Dec. 4, 2013

Study: Duke Energy coal ash pollution is killing fish

The study finds pollution leads to dead, deformed fish.

By Ethan Howland • Dec. 4, 2013

EPA promises 'significant flexibility' on carbon rules

EPA expects to issue draft carbon standards for existing power plants in June.  

By Ethan Howland • Dec. 4, 2013

SDG&E, NRG Energy in talks over new power plant

The new plant would replace power from the shuttered San Onofre nuclear plant.

By Ethan Howland • Dec. 4, 2013

Calpine expands Texas power fleet

Calpine in $625 million deal for 1,050-MW plant.

By Ethan Howland • Dec. 3, 2013

Regulators OK Idaho Power emissions plan

But the Idaho PUC denies cost recovery assurance for the coal plant project.

By Ethan Howland • Dec. 3, 2013

NREL: 'Soft costs' are 64% of rooftop solar's total cost

As "hard costs" fall, soft costs come into focus.

By Ethan Howland • Dec. 3, 2013

States seek cap-and-trade model for carbon emission cuts

States weigh in as EPA plans new carbon emission regs for existing power plants.

By Ethan Howland • Dec. 3, 2013

Renewables growing faster than fossil fuels in Texas

The Lone Star State keeps adding wind.

By Ethan Howland • Dec. 3, 2013

Maryland coop moves ahead with 1,000-MW natural gas plant

Old Dominion Electric Cooperative plans to bring plant online in 2017.

By Ethan Howland • Dec. 2, 2013

Judge clears path for proposed Utah nuclear plant

Legal hurdle removed, but who will buy power from Blue Castle plant?

By Ethan Howland • Dec. 2, 2013

Federal regulators won't hold up NRG Energy's power plant deal

NRG is poised to buy about 8,000 MW from Edison Mission Energy.

By Ethan Howland • Dec. 2, 2013

Startup offers one-stop shopping for solar

Geostellar aims to cut solar's "soft" costs.

By Ethan Howland • Dec. 2, 2013

8 disruptive companies that utilities should watch in 2014

These companies are leading the way on DSM, renewables, storage and lighting.

By Ethan Howland • Nov. 27, 2013

Idaho Power faces opposition to emissions plan

Idaho PUC weighs plan and cost recovery.

By Ethan Howland • Nov. 26, 2013

SunEdison plans solar IPO

Solar company could raise $300 million to fund development.

By Ethan Howland • Nov. 26, 2013

SunEdison to build NYC's largest solar plant at landfill site

New York expects to add wind and more solar to the Staten Island site.

By Ethan Howland • Nov. 26, 2013

SolarCity to expand operations in California

SolarCity sees a growing market. Workers wanted.

By Ethan Howland • Nov. 26, 2013

Cal-ISO developing capacity auction for preferred resources

California could use demand response and renewables to make up for some lost nuclear generation.

By Bill Opalka • Nov. 26, 2013

Duke Energy plans to sell over 12 power plants

Duke's Midwest fleet can't keep up with natural gas prices on the wholesale market. 

By Davide Savenije • Nov. 26, 2013

Duke starts building 30 MW of solar in N.C.

Solar development is soaring in the Southeast state.

By Ethan Howland • Nov. 26, 2013

N.H. utility may be forced to sell power plants

State lawmakers and regulators are concerned about PSNH power plant costs.

By Ethan Howland • Nov. 26, 2013