A clean-energy company that uses sensors and software to help businesses cut their carbon emissions and energy costs has lined up $65 million in funding to serve hundreds of commercial buildings. Carbon Lighthouse, an 8-year-old San Francisco-based company, plans to use the funds it raised from Generate Capital Inc. to extend services to 200 to 300 more buildings from its current 500, Chief Executive Officer Brenden Millstein said in an interview. Clients pay Carbon a flat monthly fee to trim their buildings’ energy use by 20 percent to 30 percent — without requiring the owner to install expensive new equipment. If Carbon Lighthouse fails to hit a specified target for savings, the company must pay to cover the difference. Bloomberg

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