The institutional marketplace for renewable energy investments

Alter5 is a platform that connects institutional investors with renewable energy projects for acquisition or financing

For Developers For Investors


Assets originated

EUR 300m+

Investment volume


Avoided tons of CO2 equivalent

A platform to accelerate investments by institutional investors in sustainable alternative assets and provide developers with access to capital markets

Alter 5 is an open architecture platform whose mission is to accelerate the green energy transition, connecting capital providers with renewable energy projects in a fully digital environment. We work with institutional investors (including pension funds, insurance companies, banks, fixed-income asset managers and family offices) and financial entities to expand the equity and debt available to developers and asset owners of sustainable assets with the aim of advancing towards a more sustainable economy.

For Developers

Alter5 enables renewable energy project developers to access project financing and project sale opportunities in a fully digital, standardized and confidential environment. Through Alter5, a developer can receive financing or purchase offers according to their needs. Alter5 also allows access to a set of service providers (builders, O&M, consultants) previously certified and validated by Alter5.

  • Upload your project
  • Select your need (financing or sale)
  • Receive offers
  • Close the transaction
Learn more as Developer
For Investors

Alter5 allows investors from all over the world -renewable energy funds, asset managers, insurance companies, pension funds, family offices- to access and invest in projects in a fully digital environment. Our Alter5 Direct Invest solution simplifies the access, assessment and investment process in this asset class. In parallel, through Alter5's Green Energy Bond Program, fixed-income investors are provided with a comprehensive and recurrent offering of certified green bonds with different risk-return profiles.

  • Access previously validated project
  • Debt and equity opportunities
  • Direct investment or through recurring programs
Learn more as Investor

Alter5 is an open architecture platform, formed by financial and energy service providers that contribute to our ecosystem to support investors and developers to ensure the quality of projects and investment.

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