Batteries

A123’s Grid-Scale Storage Business Lives On

A123’s Grid-Scale Storage Business Lives On

Jeff St. John: May 6, 2013

Lithium-ion grid batteries, under new ownership

Eos Puts Its Zinc-Air Grid Batteries to the Test With ConEd

Eos Puts Its Zinc-Air Grid Batteries to the Test With ConEd

Jeff St. John: May 2, 2013

A grid battery at $160 per kilowatt-hour? Startup Eos Energy Storage lands a utility partner to test it out.

Tough Times for Smart Grid VC, With Some Surprises

Tough Times for Smart Grid VC, With Some Surprises

Jeff St. John: April 23, 2013

Sentient Energy, Cylance, Smarter Grid Solutions raise new rounds in otherwise flat quarter for global smart grid venture investment.

Germany on the Verge of a Subsidy for Energy Storage

Germany on the Verge of a Subsidy for Energy Storage

Eric Wesoff: April 17, 2013

Will cover battery systems connected to photovoltaic installations

How Carbon Reduction and Smart Grid Work Together

How Carbon Reduction and Smart Grid Work Together

Jeff St. John: April 9, 2013

Big batteries, home energy controls, and grid controls for the oil and gas industries

Xtreme Power to Sell Battery Factory, Focus on Software

Xtreme Power to Sell Battery Factory, Focus on Software

Jeff St. John: April 5, 2013

10-year warranties for grid batteries are hard for startups—but software makes sense.

Aquion Energy’s Disruptive Battery Tech Picks Up $35M in VC

Aquion Energy’s Disruptive Battery Tech Picks Up $35M in VC

Eric Wesoff: April 2, 2013

$35M for a battery with an anode made of activated carbon, a cathode made from sodium and magnesium oxide, and a water-based electrolyte

Southern California Edison’s Smart Grid Roadmap

Southern California Edison’s Smart Grid Roadmap

Jeff St. John: March 22, 2013

SoCal’s grid will change more in the next ten years than in the previous century.

Gridtential Goes After Energy Storage With Improved Lead-Acid Batteries

Gridtential Goes After Energy Storage With Improved Lead-Acid Batteries

Eric Wesoff: March 12, 2013

Lead-acid technology might still have some life left in it.

Biggest Power Users Provide Gigawatts of Smart Grid Flexibility

Biggest Power Users Provide Gigawatts of Smart Grid Flexibility

Jeff St. John: March 11, 2013

Enbala sees gigawatts of untapped grid flexibility out there in the world’s big water pumps, cold storage warehouses and other big power users.

Are You Going to Networked Grid 2013? Here’s Why You Should Be

Are You Going to Networked Grid 2013? Here’s Why You Should Be

Jeff St. John: March 6, 2013

Breaking down Greentech Media’s upcoming smart grid showcase

How ARPA-E Is Working to Create the 21st Century Smart Grid

How ARPA-E Is Working to Create the 21st Century Smart Grid

Jeff St. John: March 1, 2013

A roundup of the innovative grid-focused technologies funded by the Energy Department’s blue-sky research program.

A Long List of ARPA-E’s Money-Winning Projects

A Long List of ARPA-E’s Money-Winning Projects

Jeff St. John: February 26, 2013

ARPA-E cites $450 million in private capital raised by companies it has backed, as it faces its own funding uncertainty.

California Sets 50MW Target for Grid Energy Storage

California Sets 50MW Target for Grid Energy Storage

Jeff St. John: February 13, 2013

Moving past “paralysis by analysis,” the CPUC asks Southern California Edison to find 50MW of grid energy storage by 2021.

Better Place on the Road to Retrenchment

Better Place on the Road to Retrenchment

Jeff St. John: February 6, 2013

The startup with $850 million in VC abandons plans for battery swapping in U.S. and Australia, sticks with Denmark and Israel.