The U.S. Department of Energy Office of Energy Efficiency and Renewable Energy awarded a $109,050.00 firm fixed-price purchase order to OLI Systems Inc., a for-profit limited liability company, for the renewal of OLI site-wide licenses. The licenses include up to 10 named users for OLI Flowsheet: ESP plus OLI Studio: Stream Analyzers, and up to 10 named users for the Silver Service Plan. This sole-source award was made under simplified acquisition procedures, as OLI Systems Inc. is the exclusive provider of these services and warranties. The period of performance is from April 1, 2020 to March 30, 2021. OLI Systems Inc. is a global leader in modeling and simulation of electrolyte chemistry applications, and has previously provided software, maintenance, and modeling services to the Department of Energy's Office of Fossil Energy, Office of Energy Efficiency and Renewable Energy, and potentially other offices, through both prime contracts and subcontracts.