MIT spinout Commonwealth Fusion Systems has launched with $50m in capital from energy utility Eni to develop fusion power.

Uponor raised its stake in intelligent leak detection startup Phyn from 37.5% to 50% through the investment, having provided $15m when it launched.

The advanced battery material developer has received funding from investors including the Renault, Nissan and Mitsubishi-backed Alliance Ventures.

The GE-backed oilfield services marketplace operator has claimed $15.8m in equity funding alongside $30m of debt from Silicon Valley Bank.

The indoor farming network, which is backed by Demand Analytics and Ideo, took its total funding to $35m with a Balderton Capital-led series A round.

The Telesystem-backed irrigation management software provider has secured $5.9m from Sustainable Development Technology Canada.