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Douglas Miller

Sr. Associate


  • Buildings
  • Disruptive Technologies

Doug Miller is a Senior Associate at Rocky Mountain Institute who applies his experience in environmental and behavioral economics to develop bold, collaborative market solutions and action-oriented research. In his current role on the Energy Web Foundation (EWF) team, Doug focuses on developing, evaluating, and scaling applications of blockchain technology in the clean energy sector that tackle existing pain points and create value. During his first three years at RMI, he co-founded the Residential Energy+ initiative—where he developed solutions for real estate, home performance, and media professionals to motivate, simplify, and finance homeowner investments in energy upgrades—and developed resources about transformational business models, enhanced strategies for portfolio-wide investments in commercial buildings, and roadmaps for cities to achieve ambitious clean energy targets.



Prior to joining RMI in 2013, Doug served as an interdisciplinary researcher at Chatham House, Imperial College London, Carbon Smart, the Wharton School of Business, the University of Pennsylvania, and Oxford University—gaining extensive experience in the application of behavioral science to develop more effective environmental solutions. He also brings experience in green business startups, environmental law, city sustainability policy, climate risk management strategy, and green architecture.  


M.Sc., Environmental Technology with a Specialization in Environmental Economics & Policy, Imperial College London

BA, Philosophy, Politics, Economics (PPE) and Environmental Studies, University of Pennsylvania

Award: Scott Wilson Prize/URS Prize for Most Outstanding Overall Course Performance, 2013

Awards: Summa Cum Laude, 2012; Phi Beta Kappa, 2012; Ferdinand V. Hayden Award for the Outstanding Senior in Environmental Studies, 2012; PPE Program Awards for Distinguished Research and Distinguished Service & Support, 2012


Washington, D.C.




“I am proud to work at RMI because we are bold enough to challenge conventional thinking with robust research showing that a prosperous clean energy future is possible today, while also reasonable enough to work directly with business leaders, policymakers, and investors worldwide to identify and deploy scalable clean energy market solutions.”

Authored Blog Posts

Blockchain Is Reimagining the Rules of the Game in the Energy Sector

Through the Energy Web Foundation, RMI is supporting the commercial implementation of blockchain applications that promote investments in clean, secure, and reliable electricity systems worldwide. Blockchain technology—the technology underpinning the Bitcoin virtual currency— has the potential to accelerate the transition to the clean energy future that Rocky Mountain Institute (RMI) has…

How to Use Peer Diffusion to Make Better Homes a “Must Have”

Co-authored by Larry Zarker, Executive Director, Building Performance Institute Peer Diffusion: A form of communication within and between networks of people that (1) occurs through varying forms of social comparison and social interaction around an innovation (i.e., a new behavior, idea, or technology) and (2) ultimately promotes the broader adoption…

Your Garage is Worth At Least $55,000

The global energy revolution is knocking at your door. With improving economics for home energy upgrades, plummeting costs for rooftop solar systems, and even the potential for defection from the electric grid, homeowners face a bevy of new options to control their own energy supply and demand—as well…

Residential Energy+: Mapping the Future of Home Energy Upgrades

Kitchen remodels are sexy to homeowners. Energy efficiency is not. This simple yet punchy statement shared at the recent Residential Energy+ 2015 Workshop, held just outside Washington, DC, is one of many pervasive assumptions top industry representatives shared for what’s holding back homeowner investment in home energy performance, and failing…

Residential Energy+: Capturing the Primetime Opportunity for Energy- performance Improvements In U.S. Homes

The market opportunity for residential energy upgrades—the combination of measures to improve energy performance in homes—is substantial, amounting to roughly $150 billion in the United States alone. Americans are also less satisfied with the energy performance of their homes compared to any other criterion, including affordability, privacy, safety,…

Are Energy-Efficient Workplaces Healthier? Just Google It.

When people talk about the business case for the energy-efficient buildings achieved through comprehensive measures like deep energy retrofits, what usually comes to mind first is lower energy bills. However, an increasing number of organizations are recognizing the value beyond energy cost savings that energy-efficient buildings provide. In December 2013,…

Getting Big Investment to Retrofit Small Buildings

In April 2011, we Talked Small Building Retrofit Finance after a finance workshop held in Boulder by Rocky Mountain Institute and the Northwest Energy Efficiency Association (NEEA). Now that nearly three years have passed, what, if anything, has changed in retrofit financing for small commercial buildings?