Real-time generation capacity monitoring with consideration of transmission constraints

In real time market operations, operators need to monitor available on-line capacity and evaluate whether online resources and upcoming commitment can meet both energy balance and reserve requirement in the near future. However, available online generation capacity may not always be deliverable due to transmission congestion. This paper proposed a deliverable generation capacity calculation formulation considering transmission constraints. A web-based generation capacity monitoring tool is developed to provide operators a quick estimate of maximum available capacity with consideration of deliverability and ramping capability. Numerical results on Midcontinent Independent System Operator (MISO) system are studied and analyzed in this paper as well.