Lightspeed makes rare investment in European energy tech: ‘Strategic partnership was our absolute priority’

Joe McDonald, co-founder and CEO at tem (left) with Paul Murphy, partner at Lightspeed Venture Partners. Image supplied
9 feb. 2026
22:35
Silicon Valley heavyweight Lightspeed has backed a UK startup which claims to cut the costs of procuring energy by up to 30%.

“Lightspeed share our conviction that the energy system needs to be fundamentally rebuilt," Joe McDonald, cofounder and CEO at tem, tells Impact Loop.

Lightspeed Venture Partners has led a $75m investment in tem, a fast-growing UK-based energy tech startup which is now looking to expand across the Atlantic.

One of the world’s most prominent VCs, Silicon Valley-based Lightspeed’s portfolio includes financial services platform Stripe, now valued at over $100bn, and Anthropic, the maker of the Claude large language model (LLM) which just raised $20bn at a $350bn valuation.

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