Nashville District Energy System – Heating And Cooling Services

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Economical

Nashville District Energy System Can Benefit Your Next Project

SMART

Dependable

Nashville District Energy — An Empowering Choice

The award-winning Metro Nashville District Energy System provides efficient, economical, dependable and environmentally friendly heating and cooling services to downtown buildings, along with support services for project planning and ongoing customer needs.

If you are the owner, manager or developer of a downtown building, consider becoming part of the Nashville District Energy System. Learn how.

MNDES UNVEILS HISTORIC MARKER

On Tuesday, March 25, 2025, the Metro Nashville District Energy System unveiled a historic marker commemorating the system’s 50-year record supporting our city’s sustainability and utility independence. The event featured remarks by Mayor Freddie O’Connell, former Mayor Bill Purcell, and members of the Metropolitan Council. Read More

LIPSCOMB GRADUATE SUSTAINABILITY STUDENTS VISITED THE (METRO NASHVILLE DISTRICT ENERGY GENERATION FACILITY) SITE

Lipscomb graduate sustainability students visited the (Metro Nashville District Energy Generation Facility) site on July 30, 2024 to compare and contrast local district heating and cooling using natural gas with some of the district heating and cooling systems that used renewable energy (wood chips) that they examined in New England this past summer. Students were guided on their tour by Dan Coyle and Kevin Jacobs of Thermal Engineering Group which serves at Project Administrator for the Metro Nashville District Energy System on behalf of Metropolitan Government. The group expressed their gratitude that MNDES was available for the tour and the exchange of information which included how district energy can improve overall sustainability.

ACHIEVING IDEAL DELTA-T IS ESSENTIAL TO MAXIMIZING BENEFITS AND EFFICIENCIES AS DES CUSTOMER

Read how Maximizing the building Delta-T has a significant impact on the efficiency of the DES chilled water system and can reduce the energy used within the customer building. With higher customer Delta-T’s, the chillers at the EGF operate more efficiently for any given load thereby reducing the amount of electricity required for each operating chiller.

METRO NASHVILLE DISTRICT ENERGY SYSTEM CELEBRATES 20 YEARS OF DELIVERING CLEAN, RELIABLE SERVICE TO DOWNTOWN CUSTOMERS

On Wednesday, December 20, 2023 a press conference was held at the Metro Nashville District Energy System (MNDES) Energy Generating Facility (EGF) at 90 Peabody Street, to commemorate 20 years of system operation providing sustainable, clean and reliable heating and cooling energy services to customers. Read More

Watch this Video to Learn More About
Nashville District Energy System.

Upfront and Ongoing Savings

Nashville District Energy can lower upfront capital costs because the equipment and engineering services necessary to tie into the system costs less than stand-alone systems. Over the years, NDES can also result in lower overall building operating and maintenance costs.

Reliability and Support

Nashville District Energy has delivered 99.99% System Reliability since 2006. Serving more than forty major customers with diverse needs and demands NDES provides professional system operation and maintenance and highly-rated customer support and service.

Critical Temperature and Humidity Controls

Internal requirements of many Nashville District Energy customers make critical temperature and humidity controls essential to successful operations and the system delivers. For customers like Bridgestone Arena home of the Nashville Predators, The Schermerhorn Symphony Center home of the Nashville Symphony, The Ryman Auditorium Mother Church of Country Music, and the Tennessee State Museum and Archives, the system meets and exceeds their requirements.

Capacity and Expandability

Nashville DES main heating and cooling plant provided approximately 382 million pounds of steam and approximately 66 million ton hours of chilled water last year to provide customers heating and cooling to their individual requirements. Plus, the system has ADDITIONAL CAPACITY and opportunities for system expansion in order to serve new customers that want to be part of NDES.

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NDES Tunnel Tour

Customer Profiles

Photo Gallery

The new pump motors are rated at 550 horsepower replacing the original 500 horse power motors

Downtown Nashville Infrastructure

District Energy is a critical component of downtown infrastructure in many major metropolitan areas, including New York City, Washington, D.C., Phoenix, and Chicago. Nashville’s District Energy System was among the first in the nation when it began operation in 1974, and continues today with its modern centralized plant serving more than forty of Nashville’s newest and most prominent downtown facilities like the Music City Center.

Feet of Pipeline

Pounds of Steam Energy Delivered Last Year

Ton Hours of Chilled Water Delivered Last Year

More Reasons to Choose Nashville District Energy

01. Lower Upfront Costs

for engineering and construction capital outlays for on-site heating and cooling.

02. Less Space is Required

for district energy, making more space, including valuable rooftops, available for other uses.

03. Ongoing Cost Savings

through leveraged energy buying as a result of being part of a larger system.

04. More Robust and Reliable Service

made possible by economies of scale of the overall system.

05. District Energy is “Greener”

than individual building systems because it produces lower green-house gas emissions compared to electric power for heating.

06. Current Capacity

to add new customers and expand the system as the right opportunities come along.

FREE CONSULTATION

The Nashville District Energy System team is available to work closely with you and members of your team to determine if district energy is a great fit for your next development. The NDES is part of Metropolitan Government of Nashville and Davidson County. The system is operated by Constellation New Energy (CNE) and the project administrator is Thermal Engineering Group, Inc.

To learn how Nashville District Energy can benefit your project, submit the inquiry form found here. Or call the project administrator at 615-264-2611.