Grid Storage | Energy Storage

Beacon Power’s Bankruptcy Autopsy

Beacon Power’s Bankruptcy Autopsy

Jeff St. John: October 31, 2011

Can the beating heart of a 20-megawatt flywheel energy storage farm be kept alive after the corporate body has flatlined?

Beacon Power Becomes Second DOE Loan Winner to Declare Bankruptcy

Beacon Power Becomes Second DOE Loan Winner to Declare Bankruptcy

Jeff St. John: October 31, 2011

Beacon Power, maker of flywheels for grid backup power, has filed for bankruptcy after landing a $43.5 million federal loan guarantee. It’s not as bad as Solyndra, but it’s still pretty bad.

International Battery’s Utility-Scale Li-Ion Goes After Solar

International Battery’s Utility-Scale Li-Ion Goes After Solar

Eric Wesoff: October 24, 2011

Battery companies at a solar show looking for the solar-storage connection

Bloom Energy, Delaware, and Bloom vs. Cogen

Bloom Energy, Delaware, and Bloom vs. Cogen

Eric Wesoff: September 22, 2011

Delaware’s governor loves Bloom Energy—but is the Bloom fuel cell really a low-carbon alternative to conventional generation?

Boston-Power Wins $125M From VCs, China for EV Batteries

Boston-Power Wins $125M From VCs, China for EV Batteries

Eric Wesoff: September 19, 2011

Private equity and Chinese government support for lithium-ion batteries in one of the biggest VC rounds of 2011

AES Brings Real Utility-Scale Energy Storage to the Grid

AES Brings Real Utility-Scale Energy Storage to the Grid

Eric Wesoff: September 13, 2011

AES is leading energy storage’s disruptive shift from power services to energy services.

Stealthy Powergetics Wins $10.2M in VC for Energy Storage

Stealthy Powergetics Wins $10.2M in VC for Energy Storage

Eric Wesoff: September 12, 2011

VCs and entrepreneurs keep knocking at the energy storage door.

Guest Post: The Advanced Smart Grid

Guest Post: The Advanced Smart Grid

Andres Carvallo and John Cooper: September 2, 2011

Integrated energy storage, virtual power plants, and micro-grids

The Energy-Efficient Subway

The Energy-Efficient Subway

Michael Kanellos: September 1, 2011

Why not harvest megawatts from subway trains?

Update: 1 GW of Utility-Scale Storage From Rubenius

Update: 1 GW of Utility-Scale Storage From Rubenius

Eric Wesoff: August 29, 2011

Ambitious and massive battery deployment for grid-scale storage still in planning stages.

What Are Municipal Utilities Planning in Terms of Smart Grid Deployment?

What Are Municipal Utilities Planning in Terms of Smart Grid Deployment?

Rick Thompson: August 29, 2011

Free municipal utility smart grid deployment survey data brought to you by GTM Research and MSGS

Beacon Power’s Spin on Energy Storage: It’s a Service

Beacon Power’s Spin on Energy Storage: It’s a Service

Eric Wesoff: August 17, 2011

Selling frequency regulation services instead of flywheel energy storage hardware

Utility-Scale Storage: Moving From Trials to the Real World

Utility-Scale Storage: Moving From Trials to the Real World

Katherine Tweed: August 5, 2011

Any day now or not for a decade, depending on whom you ask

GM, ABB Begin Testing EV Batteries for the Grid

GM, ABB Begin Testing EV Batteries for the Grid

Katherine Tweed: July 20, 2011

General Motors and ABB are still in early testing, but another pilot by S&C and AEP starts next month.