35 California mayors sign on to support 100% EV state transit proposal

As a national leader in the deployment of electric buses, California regulators are proposing to transition the state's entire transit fleet to EV by 2040.

By Iulia Gheorghiu • Aug. 23, 2018

Thermal energy storage drops refrigerated warehouse's peak demand by 29%

Viking Cold Solutions has completed a measurement and verification study at one of its customer's warehouses, showing significant reductions in peak demand and overall consumption.

By Robert Walton • Aug. 22, 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

Tucson Electric proceeding lays groundwork for customer solar+storage rate

Residential solar advocates wonder what sort of solar-plus-storage rate can sweeten the deal for TEP customers in the "post net metering paradigm."

By Iulia Gheorghiu • Aug. 22, 2018

US military pushes clean energy with largest on-base battery

Sited in Colorado, the 8.5 MWh behind-the-meter lithium-ion battery will be the largest stand-alone commercially contracted battery at an army base, according to the developers.

By Robert Walton • Aug. 22, 2018

Montana developer eyes PURPA contracts for 320 MW of wind, 640 MWh of storage

Caithness Beaver Creek wants to build four 80 MW wind projects paired with 40 MW/160 MWh batteries, but couldn’t come to an agreement with utility Northwestern Energy over capacity payments.

By Gavin Bade • Aug. 21, 2018

BTM storage is booming in Ontario

A flurry of energy storage projects highlights opportunities for large industrial customers to reduce a costly rate structure established in 2005.

By Peter Maloney • Aug. 20, 2018

Ontario develops largest BTM storage system in North America

The system highlights opportunities for addressing Ontario's high demand charges.

By Peter Maloney • Aug. 16, 2018

Modernizing renewables mandates is no longer about the megawatts

While renewables mandates have been successful and cost effective, studies show evolving power systems should focus on decreasing peak demand and cutting emissions.

By Herman K. Trabish • Aug. 16, 2018

PG&E's landmark energy storage projects snagged by pushback

The CPUC extended the approval process for the four projects after critics filed comments claiming the utility did not meet regulatory criteria.

By Peter Maloney • Aug. 14, 2018

MISO plans storage market roles in response to FERC Order 841

Proposed rules would have two metrics for measuring energy storage capacity to help the resources participate in wholesale electricity markets. 

Aug. 13, 2018

Study: EVs will have 20% of global mileage share by 2030

Researchers predict adoption will surge despite small current market share and government regulations, thanks in part to its use in other mobility forms.

By Katie Pyzyk • Aug. 13, 2018

Hawaii approves 18-cent/kWh solar+storage deal to power Molokai

The 4.8 MW solar facility and 15 MWh battery will provide power in the early evening to avoid competing with the island's rooftop solar systems. 

By Iulia Gheorghiu • Aug. 13, 2018

Nevada pushes distributed resource planning regulations ahead of ballot initiative

The Public Utility Commission proposed a rule to implement new state provisions for filing integrated resources plans, as support builds for front-of and behind-the-meter clean energy technologies.

By Iulia Gheorghiu • Aug. 13, 2018

Report: Tesla Solar Roof production delayed over product aesthetics, EV prioritization

Despite CEO Elon Musk's boasts about the installment of the undetectable renewable generating structure during Q2 calls, employees at New York's Gigafactory 2 reported production challenges and delays.

By Iulia Gheorghiu • Aug. 10, 2018

Aussie apartments use blockchain energy trading to shield residents from price spikes

A housing developer in Australia has teamed up with tech company Power Ledger to offer blockchain for peer-to-peer solar power sales.

By Peter Maloney • Aug. 9, 2018

An offer utilities can't refuse: The low cost of utility-scale solar

A new report finds even policy uncertainties have not stopped the growing partnership between utilities and solar.

By Herman K. Trabish • Aug. 9, 2018

CAISO could lose 28 gas plants and keep the lights on: UCS

The plants are "dead weight" on the California system, researchers said, and could easily be replaced by other resources with no impact on reliability. 

By Iulia Gheorghiu • Aug. 8, 2018

Solar growth continues in US, though EIA trims its 2019 forecast 45%

A change in methodology has led the Energy Information Administration to cut its forecast of solar power capacity additions.

By Peter Maloney • Aug. 8, 2018

As second wave of state storage targets builds, utilities propose new projects

Experts are watching Arizona, Nevada and Colorado for new policies that will help develop the industry.

By Peter Maloney • Aug. 7, 2018

Minnesota co-op breaks ground on first major storage projects in state

The 10 MW of solar joined with 30 MWh of batteries will be the largest combined facility owned by a U.S. co-op and is expected to save Connexus Energy $4 million a year through peak shaving. 

By Catherine Morehouse • Aug. 7, 2018

Berkeley lab challenges grid community to improve interoperability

The Plug & Play DER Challenge is a call for concepts to the smart grid community, seeking "visionary" ideas focused on improving interoperability on an increasingly-connected electric grid.

By Robert Walton • Aug. 6, 2018

Musk sees 'insane' fast growth for Tesla's energy storage business

Tesla executives predicted growth levels in 2019 of 300% to 400% for its energy storage business.

By Peter Maloney • Aug. 2, 2018

Advocates hail passage of Massachusetts clean energy bill but want to take it further

The state's final energy bill is a watered down version of the one passed by the Senate in June.

By Peter Maloney • Aug. 2, 2018

Electric vehicle and stationary storage batteries begin to diverge as performance priorities evolve

As the stationary energy storage market matures, lithium-ion battery makers are beginning to adapt.

By Peter Maloney • Aug. 1, 2018

Energy storage could take off in Massachusetts with proposed compromise on capacity ownership

The tentative deal would allow owners of residential solar and storage facilities to retain the right to bid the resulting capacity into ISO New England's forward capacity market, if state regulators approve it.

By Peter Maloney • July 31, 2018