APEC Articles Contributions from APEC members for the benefit of everyone interested in the energy and environmental marketplace. December 2023 APEC Southern Illinois Chapter Meeting November 2023 APEC Southern Illinois Chapter Meeting October 2023 APEC Southern Illinois Chapter Meeting September 2023 APEC Southern Illinois Chapter Meeting PUBLIC WATER INFRASTRUCTURE PLANT EFFICIENCY PROGRAM April 2023 APEC Southern Illinois Chapter Meeting March 2023 APEC Southern Illinois KiloWatch March 2023 APEC Southern Illinois Chapter Meeting February 2023 APEC Southern Illinois Chapter Meeting February 2023 APEC Southern Illinois KiloWatch