Make Sustainable
Buildings a Reality.

Net zero is no longer an aspiration – it’s a business imperative.

GreenGen operates globally helping the world’s leading real estate owners, investors, private equity firms, and governments decarbonize profitably.

How does your building rank?

Calculate your building's EUl and see where it stands against Energy Star benchmarks

Trusted by

Blackstone logo - one of our decarbonization consulting clients
KKR logo- one of our decarbonization consulting clients
Starwood logo
AEW logo- one of our decarbonization consulting clients
Jamestown logo- one of our decarbonization consulting clients
Ventas logo- one of our decarbonization consulting clients
Atria logo- one of our decarbonization consulting clients
Schroders logo- one of our decarbonization consulting clients
Pembroke logo- one of our decarbonization consulting clients
Macquire logo- one of our decarbonization consulting clients
Clarion logo
MPT logo- one of our decarbonization consulting clients






Public Sector

Public Sector

The GreenGen Advantage

With expertise integrating energy, real estate, capital markets, and technology, GreenGen transforms the built environment by assessing, engineering, and implementing end-to-end sustainability solutions that positively impact financial and climate-related outcomes.

Turnkey Strategic Support

We guide your journey every step of the way, from strategy to implementation, taking ownership over your results and delivering a seamless process with measurable outcomes.

Proven Track Record

For over 13 years we’ve successfully executed portfolio wide initiatives for the world’s leading real estate and private equity firms collectively managing over $4 trillion in AUM.

Cutting Edge R&D

Our engineering team combines proficiency in building systems, power generation, AI, ML, renewables, and environmental analysis to create integrated, whole-building solutions that achieve your goals faster.

Client Centric Approach

Technology and vendor agnostic, we collaborate to deliver optimal outcomes for our clients. Whether an investor, tenant, partner, or public sector participant, we support your stakeholders at every step.

Global Consistency

GreenGen’s global team blends worldwide insights with local expertise to develop customized solutions that adapt to your portfolio mix, investment strategy, and risk profiles across all geographies.

Our Impact


Our global clients manage over $4T in assets under management.

700M Sq. Ft.

GreenGen has assessed over 700M sq. ft. across the built environment.

1900 Projects

We've implemented over 1900 energy efficiency projects in 25 countries.

Boston skyline at sunset with net zero buildings, showcasing sustainable architecture and energy efficiency.
Case Study, Results

Navigating Net Zero Across a Global Portfolio

How GreenGen Is Helping An International Real Estate Advisor Achieve A Carbon Free Portfolio By 2035

Insights & Resources

Local Law 97 (LL97): A Guide for NYC Building Owners and Real Estate Investors

As climate change continues to dominate global headlines, cities around the world are taking aggressive steps to reduce…
July 8, 2024

GRESB Partner Webinar: Climate Resilience in Real Estate

GreenGen, GRESB, Munich Re, and KKR discuss how climate change impacts real estate investments and best practices on…
July 2, 2024

Inc. Ranks GreenGen Among Highest-Scoring Businesses on the 2024 Annual List of Best Workplaces

DC-based, globally operating energy and sustainability solutions firm recognized for exceptional workplace culture
June 18, 2024

Contact Us

With team members located in the US, Europe, Asia, and India, and projects spanning over 25 countries, we’re here to help your organization Operate in the Green®

A world map with green dots indicating the locations of countries. Represents GreenGen projects and team worldwide where we provide decarbonization consulting.