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Greg Hopkins

  • Buildings

Greg is a Manager within RMI’s Buildings Practice, leveraging a background in real estate finance to help strengthen the business case for clean energy and sustainability in the built environment. His work at RMI to date has mainly supported the Portfolio Energy Optimization and Residential Energy+ initiatives.


Before joining RMI, Greg developed well-rounded private sector experience in the commercial real estate industry while working in New York City. Most recently, he helped launch the U.S. real estate investing platform of Allianz, an international insurance and asset management company, where he was responsible for evaluating acquisitions of large office, retail, and multifamily properties. Prior to that, he worked in the debt financing and asset management departments of real estate private equity and development firm Tishman Speyer, collaborating closely with leasing, property management, and other in-house functions. His graduate studies focused on energy and environmental aspects of buildings, including sustainable design, energy simulation, and innovative financing solutions.


MS, Real Estate & the Built Environment, Harvard University Graduate School of Design

BA, Economics, Yale University


Boulder, CO

Authored Works
Outlet Blog Post

New Resources for Cities to Unlock Housing Improvements

As we all spend significantly more time inside our homes during COVID-19 shelter-in-place and stay-at-home orders, understanding how our homes perform (and the implications for affordability, comfort, and health) has arguably never been more important. And yet in most parts of the country, the status-quo is that residents…

Outlet Blog Post

Getting to Zero in Buildings

As we embark on a new decade, we are reflecting on the many exciting advancements in the building industry. One highlight from last year was the Getting to Zero Forum held in October in Oakland California. This event brought together over 600 leading policymakers, building owners, architects, designers, system manufacturers,…


Getting to Zero in Buildings: Insights from zLab

In October, 2019, Rocky Mountain Institute (RMI) and New Buildings Institute (NBI) organized an inaugural zLab to bring together industry leaders to brainstorm solutions and develop action plans around three topics: building electrification for decarbonization, advanced decarbonization policies for existing buildings, and unlocking new value through grid-interactive buildings. RMI has…

Outlet Blog Post

Going Green Just Got Easier for Class B/C Commercial Buildings

Class B/C office buildings can achieve up to 6 percent higher net operating incomes and $11 per square foot higher property values, but they can’t do it with their hands tied behind their backs. To date these buildings, relative to their typically newer and higher quality Class A counterparts, have…

Outlet Blog Post

Defining the Future of the Built Environment

Today, buildings account for nearly 40 percent of greenhouse gas emissions. Thus, transforming the building stock is essential to ensure a decarbonized energy system and to keep global temperature rise below 2°C. That’s what nearly 600 leading policymakers, design professionals, building owners, and systems manufacturers were discussing at the Getting to…

Outlet Blog Post

The Easiest and Most Economical Way to Meet Growing Electricity Demand for the Electric Vehicle Revolution Is to Save It in Our Buildings

Policymakers far and wide, buckle up! The electric vehicle (EV) revolution is upon us: baseline forecasts project that EVs will comprise more than half of all annual car sales and one-third of all cars on the road (550 million in total) globally by 2040. Over the same time frame, electricity…

Outlet Blog Post

Energy and Affordability in Housing Finance

Utility costs place a significant financial burden on the 35 million very low- to moderate-income (LMI) single-family households in the United States. On average, low-income households spend three times as much to heat and cool their homes as the average household—from 20 percent to 50 percent of their…