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Renew Boston Trust

The City of Boston is leading by example with energy efficiency and resiliency in the City of Boston’s buildings.

Renew Boston Trust taps into creative financing to make City buildings more energy efficient and save money. We use that money to invest in making our buildings healthier and reducing greenhouse gas emissions.


Renew Boston Trust (RBT) began in 2017. It is a City program that conducts energy audits and invests conservation upgrades for municipal buildings. In 2022, Renew Boston Trust extended its scope to include an energy audit of all exterior City-owned lighting. This program is an important tool for the City as it leads by example in reaching carbon neutrality and becoming a Green New Deal city.

Renew Boston Trust was developed in phases. Each phase includes a unique set of municipal buildings. At the end of RBT's Phase 3 and the exterior lighting scope, all City departments that own and operate buildings will have received energy efficiency upgrades.

The initiative is overseen by departments in three of the City’s cabinets:

  1. the Environment Department
  2. the Public Facilities Department, which handles major construction projects for the City, and
  3. the Budget Office, which handles the City’s budget and spending.

Interactive map

Check out RBT's project locations and energy-saving measures

Launch map

Renew Boston Trust benefits

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Green jobs

The City has improved and expanded its contracting with Women and Minority Business Enterprises (WMBE) in Boston.

Cost savings

In 20 years, energy conservation measures in the project will help the City save money for other future investments.

Reduce emissions

The City reduces its use of fossil fuels and its greenhouse gas emissions and shifts to cleaner energy.

Quarterly Updates

August 2022: The second performance year for Phase I recently concluded. Verified energy and dollar savings are anticipated in October 2022. Phase II construction has concluded in all but one police station. The first part of Phase III construction has begun. The exterior lighting audit will begin in September 2022.

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