The commercial arm of National Grid plc that develops, builds, owns, and operates energy infrastructure — interconnectors, renewables, storage, LNG, and grid solutions — across the UK, Europe, and the US.

Valar Atomics builds small modular nuclear reactors for AI data centers and recently became the first startup reactor to power an Nvidia AI chip, raising $1B from Sequoia at a $6B valuation in August 2026.