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The sustainable infrastructure investment report

Potholes on the road to sustainable infrastructure 

Exploring the trends, participants and data powering a sustainable infrastructure boom.

In this report, we will highlight some of the major trends driving the current sustainable infrastructure investment marketplace, along with key data that will help refine the list of key players, flag the most important metrics to monitor and highlight the challenges looming for both investors and government sponsors.

Key facts at a glance

  • A record US$627 billion in sustainable infrastructure projects in the renewable energy and nuclear sectors were announced globally in 2021, up from US$275 billion in 2020. A total of 1,521 renewable and nuclear infrastructure projects were announced, up from 1,365 in 2020 and more than 3.5 times the total number of projects launched a decade ago.
  • Solar projects are leading the way with a total of 863 new projects announced in 2021, followed by wind, which saw 442 new initiatives launched last year.
  • Despite steady growth in investment, many big projects have been side-lined by a crippling combination of pandemic-related project delays, supply chain issues, geopolitical tensions and inflationary pressures. Of the 1,232 solar and wind projects announced in 2020, just 47 (3.8%) have been completed.


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