Trane Dual Compressor

MNDES Engages Trane for Comprehensive R’newal Update of One of Nine CenTraVac Chillers

The Metro Nashville District Energy System delivered more than 62-million ton-hours of chilled water last year employing nine Trane Dual Compressor CenTraVac commercial chillers. Regular inspection, evaluation and maintenance of the chillers and all other major components of MNDES has helped to keep the system running at a 99.99 percent reliability rate since 2006.

MNDES Heating Fuel Strategies Save Money and Serve Customers Efficiently
During the Unseasonably Cold Period January 2024

MNDES Heating Fuel Strategies Save Money and Serve Customers Efficiently During the Unseasonably Cold Period January 2024

Natural gas serves as a primary fuel source for steam generation for the Metro Nashville District Energy System (MNDES). Commercial natural gas service is available under both interruptible and firm service agreements with firm service costing significantly more per unit of gas consumed. MNDES maintains an interruptible natural gas service agreement which means lower natural gas costs per unit. In periods of unusually high demand for natural gas energy, MNDES can be curtailed or limited on its consumption by the natural gas distributor in Nashville, and consumption above allotment volumes can be extremely expensive.

Metro Nashville District Energy System Building

Thermal Engineering Group Awarded Metro Nashville District Energy System Project Administrator Contract

Thermal Engineering Group, Inc. (TEG) has been awarded a new five-year contract to serve as Project Administrator (PA) for the Metropolitan Nashville District Energy System (MNDES). The engagement commenced May 4, 2023, to run for 12 months, with four 12-month renewal options not to exceed 60 months (five years) total. “Our primary role is to…

Corrosion Arresting Coating

Corrosion Arresting Coating Proves Successful In Helping Maintain Vital Distribution System Components

After a dozen years of testing numerous application processes and products to halt corrosion of vital components of the Metro Nashville District Energy System distribution system, project administrator Thermal Engineering Group says one solution has risen to the challenge and shows great promise with no signs of degradation after three years post application and regular…

Manhole B2 Pipe Support Beam

NDES Proper System Maintenance – A Focused Priority

Specialized Coatings and Application Techniques Provide New Levels of Protection in a Variety of Challenging Environments The Nashville District Energy System’s distribution system is comprised of direct-buried piping, underground manhole structures and thousands of feet of underground tunnels that house the chilled water, steam and condensate return piping. More than forty manholes, both stand alone…