Johnson Controls is optimizing operation costs of a central plant for serving building thermal energy loads, coupled with load prediction and real-time pricing for electricity and demand charges. It was reported on January 9, 2019, that Johnson Controls has extended the capacity range of its award-winning YORK YZ Magnetic Bearing Centrifugal Chiller to include chillers beyond 1,000 tons (3,516 kW), now up to 1,350 tons (4747 kW) of refrigeration. The YORK YZ chiller uses an optimized single stage design to provide industry-leading, real-world efficiency, sustainability, and energy savings.