Energy transactions company tem raises $75M in Series B to expand Rosso infrastructure product. tem appoints Berian James as GM to open the platform to third-party customers.
PRIVATEOct 02, 2026
Amount Raised
$75 Million
Round Type
Series B
LondonEnergyArtificial IntelligenceRenewable Energy
Description
tem, an energy transactions company, raised $75 million in a Series B funding round to support the growth of Rosso, its energy transaction system. The funding has enabled tem to more than double its team over the past year. Rosso has facilitated over 6TWh of energy transactions across 8,000+ sites and returned over $80 million in transaction fees to customers. tem has appointed Berian James as General Manager of Rosso to lead the expansion of the product to external customers and enable other businesses to price energy and run operations via API or white-label solutions.
Company Information
Company
tem.
Location
London, England, United Kingdom
About
tem. is an AI transactions platform that enables UK businesses to buy energy directly from renewable generators at lower costs than traditional fossil fuels. Its proprietary algorithm matches businesses with renewable energy providers in real-time, optimizing for fluctuations in supply and demand. The platform aims to save businesses up to 25% on their energy bills while ensuring 100% traceable renewable energy. By connecting smaller businesses with a decentralized network of over 22,000 renewable generators, tem. facilitates a clean energy transition.
Fundz sees it the moment tem. raises, hires an exec or expands, usually minutes after it happens, and tells you who to reach.