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Amber Infrastructure Group

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Amber Infrastructure Group is a specialist international infrastructure investment manager that sources, finances and manages essential infrastructure.

Last updated September 15, 2026

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Nov 4, 2026
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Nov 4, 2026

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Overview

Amber Infrastructure Group is a specialist international infrastructure investment manager. Established through a management buyout in 2009, its founding partners have invested together in the sector since 2000. The firm sources, finances and manages essential and transitional infrastructure across the UK and Europe, North America, Australia and New Zealand, and describes itself as a specialist fund manager with c.£14bn AUM across funds and a number of managed accounts.

History

Amber's founding partners have invested together in the sector since 2000, and the Amber team was originally established in 1998 as part of Babcock and Brown. In 2006 INPP (originally BBPP) listed on the London Stock Exchange raising £300m. Amber Infrastructure Group was established through a management buyout in 2009, and since then has developed and managed infrastructure supporting people, homes and businesses internationally. In 2011 it was appointed Fund Manager on the London Energy Efficiency (LEEF) and on the Scottish Partnership for Regeneration in Urban Centres (SPRUCE), established Transmission Capital Partners (TCP), and made its first three OFTO investments. In 2013 Amber received Planet Mark Certification, and in 2014 made its first investment in solar. In 2015 Hunt Companies completed a 50% strategic investment in Amber, and in 2016 Amber made its first investment in battery storage. In 2017 it was involved in Europe's first dedicated digital infrastructure fund ('NDIF').

Products and positioning

Specialist international infrastructure investment manager focused on essential and transitional infrastructure.

Product categories. Infrastructure fund management · Asset management · Investment origination

Recent events

  • Reported

    Rampion sells transmission assets[6]

    Rampion Offshore Wind Limited confirmed the sale of its transmission assets to Transmission Capital Partners on behalf of a consortium that includes International Public Partnerships, Amber Infrastructure Group and Transmission Investment.

  • Unconfirmed

    Reported

    Hunt and Amber acquire majority stake in City Light & Power[7]

    Hunt Companies and Amber Infrastructure Group acquired a majority stake in City Light & Power from existing shareholders; the company's management team retained a minority interest.

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