How new transmission can unlock 10 times more renewables for the Eastern U.S.

The Eastern Interconnect can handle 30% renewables within a decade, but hotly-contested power line construction will be key.

By Herman K. Trabish • Oct. 27, 2016

Updated: Sunrun partners with LG for home batteries, but will continue using Tesla as well

Sunrun will add LG to its residential battery suppliers for the Brightbox, where it had used only Tesla batteries before.

By Peter Maloney • Oct. 27, 2016

Explore the Trendline➔

Sustainability

Companies are pursuing increasingly ambitous sustainability goals around clean energy, but integrating rising amounts of renewables, minimizing environmental impacts, and achieving carbon reduction targets can be challenging.

By Utility Dive staff

EIA: Wind power share surpassed 10% in 11 states last year

Only three states topped the 10% figure in 2010, according to federal data.

By Robert Walton • Oct. 27, 2016

Ohio businesses call for end of renewables, efficiency freeze

The state put a hold on its efficiency and renewable energy portfolio standards in 2014.

By Robert Walton • Oct. 27, 2016

Connecticut cancels gas RFP, advances clean energy projects

Massachusetts, Connecticut and Rhode Island will enter contract negotiations with six clean energy projects totaling 460 MW. 

By Robert Walton • Oct. 27, 2016

Michigan energy choice bill could see lame duck vote following Chamber endorsement

The bill would amend utility planning processes, modestly increase the renewables mandate, and place new rules on alternative energy suppliers. 

By Gavin Bade • Oct. 26, 2016

Greens say Dominion inflated demand in IRP to build more plants for CPP compliance

Clean energy advocates said the forecasts are designed to allow the utility to build more gas plants for the Clean Power Plan.

By Krysti Shallenberger • Oct. 26, 2016

Zombie wind and solar? How repowering old facilities helps renewables keep cutting costs

Wind and solar take a lot of space, but most often old facilities can simply be replaced with newer, more efficient technologies

By Herman K. Trabish • Oct. 26, 2016

BLM to host 5-state geothermal resource auction today

Almost 16,000 acres will be available, including a half dozen plots in Utah.

By Robert Walton • Oct. 26, 2016

APS, SolarCity pour money into Arizona regulatory election

The parent company of the state's largest utility has formed a new political group in response to solar industry spending, but both sides agree on one candidate — Commissioner Robert Burns. 

By Krysti Shallenberger • Oct. 26, 2016

How Walmart is leveraging DERs for its 100% renewable energy goal

The retail giant is already a rooftop solar leader and is now applying its massive market power to energy storage.

By Peter Maloney • Oct. 25, 2016

New Hampshire consumer advocate floats net metering successor with TOU credits

Residential customers would have have a buffet of options, including TOU rates and a bill credit locked in for 20 years. 

By Krysti Shallenberger • Oct. 25, 2016

What Trump and Clinton miss about clean coal and renewables subsidies

A deep dive into the facts reveals winners and losers on both side of the energy subsidy debate.

By Peter Maloney • Oct. 25, 2016

Perovskite : Game changer for solar energy?

To make solar energy more affordable, the panels themselves need to be more efficient so that fewer are needed. Cells made with perovskite are promising — never in history has a type of semiconductor advanced in efficiency so quickly. 

Oct. 25, 2016

Pennsylvania appellate court says PUC has narrower jurisdiction over net metering

A state appellate court upheld a ruling that said the PUC cannot alter rules for who qualifies for net metering programs.

By Peter Maloney • Oct. 25, 2016

Reliant Energy offers Texans new '100% solar' retail power offering

The NRG-owned company will buy renewable energy credits, allowing it to market "100% solar energy" to its customers without building out its own arrays. 

By Robert Walton • Oct. 25, 2016

Arkansas' solar future hangs in the balance as PSC begins net metering review

A familiar debate is shaping up in Arkansas as regulators tackle compensation requirements for rooftop solar customers. 

By Krysti Shallenberger • Oct. 24, 2016

Hawaiian Electric rolls out TOU rate pilot program

The utility is beginning to sign customers up for a rate program designed to incentivize the consumption of solar energy during midday hours.

By Peter Maloney • Oct. 24, 2016

Why Arizona's long-awaited value of solar schemes please no one

A year of hearings and a new recommended order leave the ACC right where it began — with utilities and solar at odds and an election looming.

By Herman K. Trabish • Oct. 24, 2016

Bloomberg: Rooftop solar growth to stall next year

With tax credits now secure, the rush to install panels could be over for the moment.

By Robert Walton • Oct. 21, 2016

Leaked recording appears to expose deceptive utility strategy for Florida solar amendment

A recording released by the Miami Herald features a policy consultant describing Amendment 1 as a "little bit of political jiu-jitsu."

By Robert Walton • Oct. 20, 2016

Keep it simple, states: Community solar developers say complex regulations stifle growth

Community solar is supposed to be a renewable energy panacea, but developers say extensive rules could constrain deployment in major markets.

By Herman K. Trabish • Oct. 20, 2016

Fitch: Battery technology set to disrupt oil industry, boost renewables, autos

A new report from Fitch Ratings warns of disruption from advances in battery technology, particularly in transportation. 

By Peter Maloney • Oct. 20, 2016

New Illinois interconnection standards could spur solar power

New interconnection standards in Illinois could spur solar power growth.

By Peter Maloney • Oct. 19, 2016

Proposal to slash solar net metering rates reels in large crowd in Maine proceeding

Echoing similar debates in Nevada and Arizona, the regulators have proposed to cut retail net metering rates. 

By Robert Walton • Oct. 19, 2016