C3 snaps up Efficiency 2.0 to tackle utility customers

Watch out Opower. Carbon and energy software player C3 — the quiet firm started by Thomas Siebel and which counts Condoleezza Rice as a director — has acquired another energy software startup Efficiency 2.0.

Biofuel investments keep on coming

Developing biofuels continues to be a bright spot in the cleantech world. Two startups, plant genetic engineering company Chromatin and biofuel producer ZeaChem, announced separately on Tuesday that they have raised new rounds of funding.

Consert raises funds for 3G smart energy home

Consert, a startup that uses Verizon’s 3G network to curb energy consumption of homes, is in the process of raising $8.75 million in equity and debt, according to a filing.

When green government awards aren’t a leg up

Greentech has been like few other sectors in terms of its high reliance on government support. But, at the same time, a variety of companies are finding that accepting government support can sometimes be the wrong choice.

Negawatts vs. Megawatts: What’s the Right Price?

A new rule giving demand response “negawatts” an equal price as megawatts of generated power on energy markets is meant to make the grid more efficient and power more affordable. But what if it backfires?

Demand Response “Negawatts” Getting a Pay Day

The federal grid regulator has ruled that the “negawatts” delivered by demand response companies deserve the same market prices as megawatts of generated energy — a ruling that could pay huge dividends for the demand response industry.

Why Comverge Is Rebranding Demand Response

Comverge has rebranded itself as a provider of “intelligent energy management” services. What does that mean for the demand response provider’s future against big competitor EnerNOC and upstarts in the smart grid space?