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Consultant reports big energy, cost savings after district efficiency upgrades
Summary
CMTA presented results of an energy-efficiency program across Rockcastle County Schools, saying Mount Vernon Elementary—s energy use intensity fell about 61% and that the project has generated cumulative excess savings of about $350,000 to date; the district will continue annual monitoring.
A CMTA representative told the Rockcastle County Schools board the district—s recent energy-efficiency project exceeded guaranteed savings and yielded material utility savings across multiple campuses.
The presenter said the Mount Vernon Elementary measures (HVAC replacements, new controls, bipolar ionization and lighting upgrades) reduced energy use intensity from about 52 to 20.5 —roughly a 61% reduction— and described Rockcastle County High School—s retrocommissioning and lighting work as reducing energy use by nearly 40%.
CMTA reported it had guaranteed roughly 1,300,000 kilowatt-hours (kWh) in savings and that actual measured savings exceeded that guarantee (the presenter summarized performance as having reached about 181% of the guarantee in the first monitoring period). The consultant also said the district realized approximately $115,307 in savings above the guaranteed amount and that cumulative excess savings retained by the district amount to about $350,000 since construction and monitoring began.
The presentation included technical details about the building automation system (BAS) and which buildings are and are not yet integrated; CMTA staff said Rawhide and Roundstone were not on the BAS at the time of reporting. The firm said it will keep monitoring utility data and return annually to review results with the board.
Board members asked technical and verification questions; CMTA staff explained the measurement and verification process and pointed to utility-bill data as the source of the reported savings. The board did not take formal action at the meeting; staff said monitoring and verification would continue under the project contract.
