42 Providing temporary use of online non-downloadable simulation software for modeling market price forecasts, analyzing generation and transmission development, and making optimal power supply decisions in the transitioning power grid; Providing temporary use of online non-downloadable simulation software for modeling multiple scenarios using shared datasets, outage dates, and initial conditions based on prior simulations for modeling market price forecasts, analyzing generation and transmission development, and making optimal power supply decisions in the transitioning power grid; Providing temporary use of online non-downloadable simulation software for power market simulation; Providing temporary use of online non-downloadable simulation software for assessing renewable resources and storage, reducing greenhouse emissions and optimizing decarbonization strategies; Design of computer-simulated models for modeling market price forecasts, analyzing generation and transmission development, and making optimal power supply decisions in the transitioning power grid.