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Stem Inc., which raised $10.2 million in Series A funds in September, is considering taking in additional funding.

Sapphire Energy, which converts algae into synthetic crude oil, raised $144 million in one of the biggest clean tech deals in the past 12 months.

German parliament approved cuts in aid to solar power and Italy reconsiders its renewable energy subsidies.

Massachusetts utility NStar has agreed to buy power from the Cape Wind offshore wind farm for more than double the projected cost of electricity from conventional sources.

A new Pike Research report provides detailed analysis of worldwide utility smart grid and smart meter programs and an examination of technologies and vendor market share analysis.

Utilities are the largest investors in smart grid infrastructure, with more than $8 billion in projects in the works. The Deloitte report details clean tech investments made by U.S. power and utility companies.

Cape Wind will displace higher-priced fossil-fueled units, resulting in an average savings of $286 million per year in New England, according to a report by Charles River Associates.

A global index developed by research firm Cleantech Group reveals that Denmark has created a home where clean tech companies are most likely to thrive, ahead of such places as the...

In a case of corporate espionage, China's Sinovel Wind Group Co. was discovered to be running a stolen version of American Superconductor Corp.'s software.

The commission says it needs to invest $4 billion a year and currently only invests half that amount.