MTEMC teams with Tesla
Middle Tennessee Electric selects Tesla battery to drive power savings
Murfreesboro – Middle Tennessee Electric (MTEMC) has teamed with Tesla, one of the most innovative technology companies in the energy industry, to test a new program intended to save its members money via a cutting-edge energy management process.
Middle Tennessee Electric has installed the latest Tesla Powerpack at one of their substations in Murfreesboro, TN. The Tesla Powerpack is a battery energy storage system (BESS) designed for a wide range of uses. In this pilot program, it will be used to reduce MTEMC’s energy demand charges from the Tennessee Valley Authority (TVA) and improve demand response time to its members when additional energy is needed. “We’re really excited about what the Tesla Powerpack allows us to do. It’s yet another asset we can use to improve the quality of our system while being financially responsible stewards of our members’ resources,” says Chris Jones, MTEMC President/CEO.
The BESS’s primary purpose will be to help reduce MTEMC’s monthly wholesale electricity purchases during peak demand hours, a change that should result in saving the cooperative tens of thousands of dollars annually. This is done through a process called energy time shift for distributed generation. The process allows the BESS to be charged when TVA rates are lower during low usage hours and is then discharged when energy demand costs are higher. Middle Tennessee Electric members will benefit significantly because they will be billed based on the lower off-peak rates in effect when the BESS was being charged rather than the higher on-peak rates normally charged when the electricity is used during those peak hours.
In addition to saving the cooperative money, the Tesla Powerpack allows MTEMC to evaluate innovative energy technology and educate members about its Distributed Energy Resources (DER). “Education is another important benefit of the project. As with any new technology, there is a lot to learn as we educate our employees and members,” says Avery Ashby, an MTEMC electrical engineer. “A better understanding comes from owning, operating and maintaining new technology, so we can advise our members to make informed decisions as more distributed energy resources are adopted in our service area.” MTEMC currently operates a subscription solar power program called Cooperative Solar as another part of its DER offerings to members.
Jones continues, “We exist to serve our members by making their lives better. As one of the largest electric cooperatives in the nation, we are constantly looking for new ways to improve the reliability and affordability of electricity for our members, and the Tesla Powerpack allows us to realize those goals. Members should be focused on living their lives, not on the system powering them.”
The deployment of Tesla technology is one of the latest innovations MTEMC has embraced in its role to be their members’ trusted energy advisor and provider. MTEMC provides electricity and community programs to more than 500,000 Tennessee residents through 230,000 metered accounts. The MTEMC service area covers more than 2,100 square miles and is served by more than 12,000 miles of electric line across parts of 11 Tennessee counties including Cannon, Rutherford, Williamson and Wilson counties.
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