When it comes to sheer number of solar installations, Arizona comes in third among states, following California and New Jersey.

Until last December, Arizona’s incentive programs were among the best in the nation, with public utilities offering generous per-watt rebates in addition to a state rebate.

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What developers and financiers of wind farm projects need to know.

I attended the AWEA Fall Symposium in Carlsbad in November 2011. While it was a good industry gathering, I was intrigued by a panel discussion in which a representative from a major US developer and O&M (operations & maintenance) service provider to wind farms indicated that his (more…)

GCB Bioenergy journal has published a study in which scientists present the findings of a study on switchgrass as cellulosic ethanol feedstock. They concluded that using switchgrass bioenergy can help reduce emissions but add that further research “to address the significant sources of uncertainty” (such as what type of land is converted to switchgrass), is (more…)

The sheer abundance of recently discovered natural gas resources in the U.S. could drive down gas and electricity prices in the next few decades, yield an overall increase in energy use, and stunt the nation’s still-emerging renewable energy sector, a new report says.

Using economic modeling, researchers at the (more…)

A series of recent policy-related developments within the biofuels industry may have set the stage for what could prove to be a significant shift in biofuel geopolitics over the next decade.

To recap: the European Court of Justice (ECJ) affirmed an earlier ruling that held the imposition of (more…)

Joachim Buse, Lufthansa airline’s head of aviation biofuel, last week said at an industry event in Washington, D.C. that biofuels could be the industry’s standard fuel in five to seven years.

According to Air Transport World, the airline executive said his company’s burnFAIR project has (more…)

As the founder of the Bay Area networking group, Women In Cleantech & Sustainability, I am keenly interested in learning about who the media thinks as being the most influential women in the field. However, it feels like every top ten list for women in Cleantech always lists the same lovely ladies. This is not to say that the women are not contributing (more…)

The UN has declared 2012 the International Year of Sustainable Energy for All. Using his platform as a keynote speaker at the World Future Energy Summit, the project’s global launch which kicked off yesterday in Abu Dhabi, UN Secretary-General Ban Ki-moon called on governments, the private sector, and civil society to make significant commitments to action in (more…)

Utilities worry about a lot of things, such as keeping the lights on, earning a return for investors, and making regulators and customers happy with their service.

Now there is a new worry: How can they protect customers from what one utility refers to as “mental fatigue?” (more…)

WindFlip AS is a Norwegian company that has developed WindFlip, a novel approach to transporting pre-assembled wind turbines to offshore locations.

The approach is described in International Application Publication No. WO 2011/051804, (more…)