Website: spp.org
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Southwest Power Pool (SPP) is a regional transmission organization (RTO) that coordinates the movement of wholesale electricity in all or parts of 14 states in the central United States. It is a nonprofit organization and is responsible for ensuring reliable power supplies, adequate transmission infrastructure, and competitive wholesale electricity prices. SPP operates a wholesale electricity market and oversees the high-voltage electric grid in its region. Key functions and responsibilities of SPP include: 1. Market Operations: SPP administers a day-ahead and real-time energy market where electricity is bought and sold. It also manages the transmission congestion and ensures that electricity is delivered efficiently and reliably. 2. Transmission Planning: SPP is responsible for long-term transmission planning to ensure that the electric grid can meet the future needs of its member utilities and customers. This includes identifying necessary infrastructure upgrades and new transmission projects. 3. Reliability Coordination: SPP monitors the reliability of the electric grid in its region and takes actions to maintain a stable and secure power system. This includes managing generation and transmission outages and ensuring that there is enough reserve capacity to meet unexpected demand. 4. Policy and Governance: SPP establishes and enforces rules for its market participants and members. It also engages in policy discussions related to energy and electricity markets at the regional and national levels. 5. Renewable Energy Integration: SPP works to integrate renewable energy resources, such as wind and solar power, into its electricity market and grid operations. This includes accommodating the variability of renewable generation and ensuring that it can be reliably integrated into the grid. 6. Emergency Operations: SPP has procedures in place to respond to emergency situations, such as severe weather events or other disruptions to the power system. It coordinates with its members and other grid operators to maintain reliability during emergencies. SPP's role is critical in ensuring the efficient and reliable operation of the electric grid in its region. By coordinating the activities of its member utilities and market participants, SPP helps to optimize the use of existing infrastructure, plan for future needs, and support the transition to a more diverse and sustainable energy mix."