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Carbon Lighthouse closes $32.6 million for building energy-efficiency



ImpactAlpha, June 6 – In the U.S. building accounts for about 40% of carbon emissions. Carbon Lighthouse uses monitors and sensors to identify and correct building energy efficiencies, reducing emissions and generating financial value for building owners and operators.

The nine-year old company raised $32.6 million in an oversubscribed second growth round including a $20 million investment from Cox Enterprise and participation from previous investors.

The global market for energy-efficient building tech could ready $360 billion by 2026. Carbon Lighthouse has worked on more than 600 U.S. buildings and claims to have eliminated more than 175,000 metric tons of carbon emissions. Last year the firm raised $27 million, and closed a $65 million energy-efficiency fund with Jigar Shah’s Generate Capital.

Cox Enterprises, a private, family-owned company with $21 billion in revenues, has invested $350 million in sustainable businesses and technologies over the last 12 years. Other investments include sustainable ag startup BrightFarms, sustainable investments firm True North Venture Partners, and Southeastern Solar Farm Fund, a solar farm operator in Georgia and Florida;

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