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A New Tactic to Manage Grid-Edge Voltage: Lawsuits

DVI accuses Alstom of using patented smart-meters-as-grid-sensors tech. Are more suits to come?Over the past month or so, Dominion Voltage Inc. (DVI) has announced new customers and expanded software for its technology to fine-tune conservation...

Posted February 26, 2015    

The Next Generation of Battery Tech at ARPA-E

Flow batteries for forklifts, new proton exchange membranes and sodium-ion cathode structures, and other potential breakthroughs.The Department of Energy’s ARPA-E program was created to give “blue-sky” research projects the money they need to prove...

Posted February 22, 2015    

How Long Until Tech Firms Have More Home Energy Data Than Utilities Do?

Utilities could face a “use it or lose it” dilemma with their data.Utilities have a lock on the energy data coming from their customers -- at least for now. But if they don’t start putting that data to use soon, they may find that they’ve been...

Posted February 18, 2015    

Can Microinverters Stabilize Hawaii's Shaky Grid?

Hawaii leads the nation in rooftop solar penetration, with nearly one in nine customers, a total of about 51,000, tying their PV systems into the state’s island power grids. About three-fifths of those Hawaiian solar systems use microinverters from...

Posted February 7, 2015    

Charting Hawaii's Spectacular Solar Energy Growth

Hawaii is officially a solar hot spot of national significance -- and that makes it a fitting test bed for Department of Energy research meant to stretch the limits of rooftop PV penetration on island grids.The U.S. Energy Information Administration...

Posted February 2, 2015    

Ayla and Regen Build the Internet of Things for Energy-Aware Buildings

Regen claims that the internet of things can yield energy savings of $1000 per endpoint each year.Here’s a noteworthy revenue figure to attach to the ill-defined and still-imaginary "internet of things" -- $99 per endpoint per year in energy savings...

Posted January 31, 2015    

Here's How the US Solar-Storage Market Reaches $1B in 3 Years

GTM Research projects a $1 billion U.S. market for battery-backed solar PV systems by 2018. But that growth won’t come evenly -- and which of the 40-plus contenders in solar storage will succeed remains an open question.GTM Research’s new report,...

Posted January 24, 2015    

FERC Files Supreme Court Challenge to Demand Response Decision

Feds seek reversal of “tremendously damaging” lower court decision, as DR industry holds its breath.A legal struggle over the future of demand response took another step forward last week, as the federal government officially filed a Supreme Court...

Posted January 23, 2015    

California Governor Jerry Brown Calls for 50% Renewables by 2030

Big increase in solar and wind, doubling building efficiency and fuel economy, are on inaugural wish listCalifornia Gov. Jerry Brown has upped the ante on the state’s green energy goals, calling for a big increase in renewable energy, alternative...

Posted January 7, 2015    

Top 5 Smart Grid Trends of 2014

At first glance, 2014 wasn’t such a great year in the world of smart grid, with slowdowns in deployment of smart meters, distribution automation and other key new grid technologies, a lackluster record of VC investment compared to years past, and...

Posted January 2, 2015    

These Recent Events Show How the 'Grid Edge' Is Guiding Utility Business Decisions

Back in 2013, Greentech Media came up with the term “grid edge” to encompass the new world of rooftop solar PV, behind-the-meter batteries, energy-smart buildings and other distributed, customer-owned energy assets. We also predicted that utilities...

Posted December 31, 2014    

Can Distributed Resources Replace $1B in Substation Upgrades? New York Will Soon Find Out

Last week, New York took a first step toward its vision of turning utilities into operators of distributed, customer-centric power grid assets. Now it’s up to Consolidated Edison to prove it can harness the power of these new assets on time, and at...

Posted December 27, 2014