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I spend most of my day meeting and talking to companies in the cleantech sector. And those of you who know me know I have opinions on who is doing it right, and who is doing it wrong. So I thought it was about time to initiate the Cleantech Blog Power 10 Ranking of cleantech companies doing it right. Eligibility for inclusion in the ranking requires meeting a 6 point test.

...offshore wind is at least as much about offshore technologies as it is about wind technologies.

Until November it was virtually impossible for a private developer of renewable energy power plants to become an independent power producer (IPP) in Mexico. Article 27 of the Mexican Constitution precluded private investment stating that electricity generation for public use is an activity to be undertaken exclusively by the Government. Mexico's enactment of a new law for the use of Renewable Energy and the Financing of the Energy Transition ( Ley para el Aprovechamiento de Energías Renovables y el Financiamiento de la Transición Energética ) substantially improves the legal framework for private investment in renewable energy projects. The law regulates renewable energy electricity generation for purposes other than providing public electricity services. The law states that the use of renewable energy for electricity generation is possible for private use and any excess energy can be sold, but only based on regulations and approvals by Mexico's energy regulatory body, CRE .

"More than 800 giant wind turbines spin off the coasts of Denmark, Britain and seven other European countries, generating enough electricity from strong ocean breezes to power hundreds of thousands of homes. China's first offshore wind farm, a 102-megawatt venture near Shanghai, goes online this month, with more in the pipeline. Multimedia Map Related * Pressure Is Building on Disputed Wind Farm (April 26, 2010) * Green Blog: Who Will Build the First Offshore Wind Farm in North America? (April 26, 2010) * Times Topic: Wind Power Green A blog about energy, the environment and the bottom line. Go to Blog Enlarge This Image Julia Cumes/Associated Press The secretary of the interior, Ken Salazar, near the site of the Cape Wind project. Enlarge This Image Julia Cumes/Associated Press Supporters and opponents of the wind farm outside the Coast Guard station in Woods Hole, Mass. But despite a decade of efforts, not a single offshore turbine has been built in the United States. "

You've purchased a new energy-efficient washing machine and refrigerator. So, will your utility bill reflect a huge savings?The easy answer is: It depends. It depends on the size and age of the appliance you're replacing, as well as your definiti...

Interesting that EWEA develops this kind of tool.