Brooklyn startup David Energy on Wednesday announced a $1.5 million pre-seed funding round, as it looks to transform into an energy retailer that helps customers get more value out of their solar and storage systems.

Over the past few years, David Energy has built a roster of customers using its software-as-a-service platform to improve energy efficiency in their buildings, shift loads to avoid demand and capacity charges, tap into demand response programs, and find other ways to save and make money from better energy management.

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