Simon Warren Grant

National Grid (US) Holdings Ltd. provides business support services. The company was founded on July 18, 1991 and is headquartered in London, the United Kingdom.

National Grid Holdings One Plc provides electricity and gas distribution services. The company is headquartered in London, the United Kingdom.

National Grid Holdings Ltd. owns and operates a high-voltage electricity transmission network services. The company is headquartered in London, the United Kingdom.

National Grid (US) Investments 4 Ltd. provides business support services. The company was founded on October 22, 1999 and is headquartered in London, the United Kingdom.

National Grid UK Ltd. provides gas and electricity transmission services. The company is headquartered in London, the United Kingdom.

Part of National Grid Plc, National Grid Commercial Holdings Ltd. is a venture capital and British innovation company for the energy industry. The private company is based in London, UK. The company connects people to the energy they use safely, reliably, and efficiently, and is one of the world's largest publicly listed utilities focused on transmission and distribution of electricity and gas. By 2030, 90% of the energy imported by their interconnectors will be from zero carbon energy sources.

Part of National Grid Plc, National Grid (US) Partner 1 Ltd. provides investment services. The private company is based in London, UK.

Part of National Grid Plc, NatGrid One Ltd. provides business support services. The private company is based in London, UK.

Part of National Grid Plc, National Grid Twelve Ltd. is a British company that connects people to the energy they use safely, reliably and efficiently. Founded in 2002, the private company operates across the UK and US, developing, operating, and investing in large-scale clean energy infrastructure. The company is based in London, UK. The company is helping to accelerate society's drive towards net zero while maintaining security of supply today. National Grid Twelve is part of National Grid Ventures (NGV), which is at the forefront of the energy transition. NGV's venture capital and innovation company for the energy industry is National Grid Partners (NGP), which was created to 'disrupt itself' and advance the energy systems of tomorrow.