23
Highlights • The SERC MISO-South subregion contains a mix of traditional generation resources with gas- fired generation as the predominant type. The Anticipated Reserve Margin is well above the reference margin for the first five years. • The SERC MISO-South subregion continues to focus on transmission investments in the near- term to address both reliability and potential market congestion.
Projected Demands, Resources, and Reserve Margins (Summer)
Demand (MW)
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
Total Internal
33,582 1,081 32,501 41,703 43,517 28.31% 33.90%
33,950 1,076 32,874 43,167 44,981 31.31% 36.83%
34,338 1,075 33,263 42,958 44,772 29.15% 34.60%
34,540 1,075 33,465 42,438 44,252 26.81% 32.23%
34,813 1,075 33,738 42,438 44,252 25.79% 31.16%
35,064 1,075 33,989 41,916 43,730 23.32% 28.66%
35,211 1,075 34,136 40,562 42,376 18.82% 24.14%
35,356 1,076 34,280 40,562 42,376 18.32% 23.62%
35,511 1,075 34,436 40,562 42,376 17.79% 23.06%
35,684 1,075 34,609 38,928 40,742 12.48% 17.72%
Demand Response
Net Internal
Resources (MW) Anticipated
SERC MISO-South The SERC MISO-South subregion is a summer peaking system that consists of the following Planning Coordinators: Midcontinent Independent System Operator, Inc.
Prospective
Reserve Margins (%) Anticipated
Prospective
Existing On-Peak Generation (Summer)
Peak Season Capacity MW Percent
Generation Type
Biomass
94
0.23
Coal
7,170
17.43 66.00
Natural Gas
27,145
Hydro
385
0.94
Nuclear
5,197
12.64
Other
47
0.11 2.64 0.00 0.00 0.00
Petroleum
1,088
Pumped Storage
0 1 0
Solar Wind
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