Energy Efficiency

Clean Tech Needs to Shift Focus to the Consumer

Clean Tech Needs to Shift Focus to the Consumer

Katherine Tweed: February 24, 2011

NRG Energy’s CEO advises putting Washington at the back of your mind and making the market care.

Time-of-Use Without the Technology

Time-of-Use Without the Technology

Katherine Tweed: February 24, 2011

Two utilities show that to get variable pricing to work, all your customers need is a little education and a well-designed website.

Cisco and Control4 Want to Automate the World

Cisco and Control4 Want to Automate the World

Katherine Tweed: February 15, 2011

Control4 and Cisco are teaming up to deliver far more than energy savings.

Bloom Energy vs. Cogeneration Reality

Bloom Energy vs. Cogeneration Reality

Eric Wesoff: February 10, 2011

Is the Bloom Energy fuel cell a low-carbon alternative to conventional generation or a greenwashed hype magnet?

Guest Post: Six Challenges Facing Solid State Lighting

Guest Post: Six Challenges Facing Solid State Lighting

Doug Widney: February 4, 2011

LEDs and solid state lights are here to stay, but progress won’t look like a hockey stick, argues Doug Widney.

NV Energy Picks Control4 for Residential Demand Reponse

NV Energy Picks Control4 for Residential Demand Reponse

Katherine Tweed: January 31, 2011

NV Energy and Control4 launch one of the largest HAN systems yet.

Tea Party Activists Lambast Light Bulb Laws Passed by…Bush!

Tea Party Activists Lambast Light Bulb Laws Passed by…Bush!

Michael Kanellos: January 26, 2011

You can pry this incandescent bulb out of my cold, dead hands.

Clarian: Moving Solar to the Mainstream

Clarian: Moving Solar to the Mainstream

Eric Wesoff: January 25, 2011

How does the industry get solar to go mainstream? Lowering the entry price, according to Clarian.

Dynamic Chilling Goes Big Time

Dynamic Chilling Goes Big Time

Katherine Tweed: January 24, 2011

Can Optimum Energy’s partnership with Johnson Controls take it across North America, to the Middle East and beyond?

Two Heavy Hitters Team Up to Bring Efficiency to U.S. and China

Two Heavy Hitters Team Up to Bring Efficiency to U.S. and China

Katherine Tweed: January 21, 2011

Honeywell and Haier will cooperate to cut energy here, there and everywhere.

LED Light Bulb Update: Lemnis Leading the Charge

LED Light Bulb Update: Lemnis Leading the Charge

Eric Wesoff, : January 20, 2011

Consumers will be able to buy an LED light bulb for less than $10 in 18 to 24 months.

GE Announces “Power Your Home” Challenge

GE Announces “Power Your Home” Challenge

Katherine Tweed: January 18, 2011

Round two of General Electric’s ecomagination competition has up to $100 million on the line.

Intematix Simplifies LED Manufacturing, Aims for IPO

Intematix Simplifies LED Manufacturing, Aims for IPO

Michael Kanellos: January 18, 2011

The ChromaLit system separates LED chips into phosphors and chips. An IPO may occur in the next year. Video too.

A Hidden Benefit of DC Power: Real Estate

A Hidden Benefit of DC Power: Real Estate

Michael Kanellos: January 12, 2011

And less copper. The sudden momentum for DC could buoy startup Validus DC Systems.