tem, a London, UK-based AI-native energy transactions scaleup, has raised $75 million (£55M) in an oversubscribed Series B round.
Investors
The round was led by Lightspeed Venture Partners, with participation from Hitachi Ventures, Voyager Ventures, Schroders Capital, and existing investors AlbionVC and Atomico.
Lightspeed Venture Partners is a global, multi-stage venture capital firm that manages over $40 billion in assets under management (AUM). With a physical presence in the U.S., Europe, India, Israel, and Southeast Asia, the firm has backed more than 1,000 companies. Lightspeed focuses on accelerating disruptive innovation across the enterprise, consumer, health, and fintech sectors.
tem Use of Funds
The company will use funding to accelerate its UK and international expansion, prioritizing Texas and Australia, while further developing its AI-powered energy transaction infrastructure and scaling market adoption.
About tem
Founded in 2021 by Joe McDonald, Jason Stocks, Bartlomiej Szostek, and Ross Mackay, tem builds AI-native infrastructure designed to modernize and streamline how energy is priced, traded, and contracted. Its core technology includes Rosso, an AI-powered transaction engine that removes hidden fees and inefficiencies from energy deals, and RED, a neo-utility interface that enables businesses and brokers to buy, sell, and manage energy more transparently and efficiently. tem has facilitated over 2TWh of energy transactions and serves more than 2,600 customers, including Boohoo Group, BOXPARK, Fever-Tree, and Silverstone Circuit, across 4,000+ sites in the UK.
Funding Details
Company: tem
Raised: £55.0M
Round: Series B
Funding Date: February 2026
Lead Investor: Lightspeed Venture Partners
Additional Investors: Hitachi Ventures, Voyager Ventures, Schroders Capital, AlbionVC, Atomico
Company Website: https://www.tem.energy/
Software Category: AI Energy Infrastructure / Energy Transactions Platform
Source: https://www.uktechnews.info/2026/02/10/tem-secures-55-million-series-b-investment-led-by-lightspeed-venture-partners/