16
Highlights • Gas has continued to overtake Coal as the largest source of electric energy, supplying approximately 31 percent of the capacity in the subregion in 2020. • The solar development project interconnection queue continues to increase significantly across the subregion.
Projected Demands, Resources, and Reserve Margins (Summer)
Demand (MW)
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
Total Internal
43,702
43,624
43,976
44,258
44,544
44,793
45,141
45,458
45,817
46,256
Demand Response
947
955
964
973
976
976
977
978
979
980
Net Internal
42,755
42,669
43,012
43,285
43,568
43,817
44,164
44,480
44,838
45,276
Resources (MW)
Anticipated Prospective
51,822 51,864 21.21% 21.30%
52,459 52,501 22.94% 23.04%
53,042 53,084 23.32% 23.42%
53,141 53,183 22.77% 22.87%
53,177 53,219 22.05% 22.15%
54,819 54,861 25.11% 25.20%
55,281 55,323 25.17% 25.27%
56,366 56,408 26.72% 26.82%
56,935 56,977 26.98% 27.07%
58,645 58,687 29.53% 29.62%
Reserve Margins (%) Anticipated
SERC East The SERC East subregion is a winter peaking system, which consists of the following Planning Coordinators: Cube Hydro Carolinas, Duke Energy Carolinas, Duke Energy Progress, Dominion Energy South Carolina, and South Carolina Public Service Authority.
Prospective
Existing On-Peak Generation (Summer)
Peak Capacity MW %
Generation Type
Biomass
B 164
0.3%
Coal
C 15,416 16,307
29.9% 31.6%
Natural Gas
Hydro
H 3,032
5.9%
Nuclear
N 11,744
22.8%
Other
O 0
0.0% 2.4% 6.0% 1.1% 0.0%
Petroleum
P 1,237 P 3,109
Pumped Storage
Solar Wind
S 546
W 0
Made with FlippingBook - Online magazine maker