Energy Efficiency

Green Christmas Trees, Green Light Bulbs, and Red Hot Chevy Volt Fires

Green Christmas Trees, Green Light Bulbs, and Red Hot Chevy Volt Fires

Katherine Tweed: November 29, 2011

Also, will Big Auto try to undermine new MPG standards?

Viridity, Enbala Try Negawatts to Balance Pennsylvania’s Grid

Viridity, Enbala Try Negawatts to Balance Pennsylvania’s Grid

Jeff St. John: November 23, 2011

Startups Viridity Energy and Enbala Power Networks are doing first-of-a-kind projects that use demand response for super-fast grid regulation. It’s already selling, they say.

Only 30% of Utility Bills Actually Explain Their Terms

Only 30% of Utility Bills Actually Explain Their Terms

Katherine Tweed: November 18, 2011

Consumer engagement starts with the paper bill.

Constellation Energy, Marriott and the Changing Face of Demand Response

Constellation Energy, Marriott and the Changing Face of Demand Response

Jeff St. John: November 16, 2011

Squeezing 23 megawatts of load control out of 264 hotels requires a modular approach.

Guest Post: Are Capital Efficiency and Cleantech at Odds?

Guest Post: Are Capital Efficiency and Cleantech at Odds?

Mike Sherman: November 15, 2011

The global energy industry makes social media look like the market for ice cream.

China Will Quit Incandescent Bulbs Within Five Years

China Will Quit Incandescent Bulbs Within Five Years

Eric Wesoff: November 7, 2011

The solid-state lighting revolution is at hand. Will American companies be able to penetrate the vast Chinese market?

World Energy Uses Energy Sourcing to Move Into Efficiency

World Energy Uses Energy Sourcing to Move Into Efficiency

Katherine Tweed: November 4, 2011

World Energy positions itself to be one-stop shopping for all of your energy efficiency ambitions.

24% of Americans Consider Themselves Knowledgeable About Energy

24% of Americans Consider Themselves Knowledgeable About Energy

Katherine Tweed: October 31, 2011

That means the other 76 percent wouldn’t even call themselves informed.

20 Quadrillion Btu of Wasted Energy

20 Quadrillion Btu of Wasted Energy

Katherine Tweed: October 27, 2011

And you thought internal combustion engines were inefficient.

What’s the Use of Having a Smart Grid Connected to Dumb Buildings?

What’s the Use of Having a Smart Grid Connected to Dumb Buildings?

Jeff St. John: October 27, 2011

Most building owners are far more focused on spending on energy efficiency than on preparing for connection to smart grid systems.

Bridgelux Gets $15M More for GaN LEDs on Silicon Substrates

Bridgelux Gets $15M More for GaN LEDs on Silicon Substrates

Eric Wesoff: October 25, 2011

It takes a lot of money to topple the $100 billion lighting industry.

Updated: When Will Solid State Lighting Vanquish the Light Bulb?

Updated: When Will Solid State Lighting Vanquish the Light Bulb?

Eric Wesoff: October 23, 2011

Friday was the 132nd birthday of the light bulb—the technology’s last birthday before phase-out.

How Energy Efficient Is Your State?

How Energy Efficient Is Your State?

Katherine Tweed: October 20, 2011

Guess which state is now in first place.

SkyFoundry and SCIEnergy: Contrasting Strategies for Energy-Smart Building Software

SkyFoundry and SCIEnergy: Contrasting Strategies for Energy-Smart Building Software

Jeff St. John: October 19, 2011

Does building energy efficiency software stand a better chance licensing to the big boys or building direct business? SkyFoundry and SCIEnergy take different approaches.