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š§© Installed Generation Capacity Chart Spec
Posted Oct 20, 2026
š§© Installed Generation Capacity Chart Spec
Posted Oct 20, 2026Chart type: Stacked bar chart
Purpose: Compare each companyās installed operating generation capacity (MW) broken down by fuel/source.
X-axis: Company
Y-axis: Installed capacity (MW)
Stacks: Gas, Coal, Nuclear, Hydro, Wind, Solar, Storage, Other
Note: Installed operating capacity only; excludes planned projects and announced pipeline additions.
Methodology: Installed capacity refers to the companyās operating generation assets currently in service, measured in MW. It excludes projects under construction, announced additions, and other planned capacity.
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š§© Installed Generation Capacity by Company and Fuel Type
Posted Oct 20, 2026
š§© Installed Generation Capacity by Company and Fuel Type
Posted Oct 20, 2026
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š Comparison
Posted Oct 20, 2026
š Comparison
Posted Oct 20, 2026| Company (Ticker) | Customer Accounts | Total Capacity & Fuel Mix | Core Footprint | Credit Ratings (S&P / Moody's) | Projected Annual CapEx | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Exelon Corporation (EXC) |
~10.5 Million | Pure Grid (0 MW owned) Transmission/Distribution only |
Mid-Atlantic & Midwest: IL, PA, MD, NJ, DE, D.C. | A- / Baa2 (Stable) |
~$8.4 Billion / yr ($42B 5-year plan) |
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| PG&E Corporation (PCG) |
~16.0 Million (5.5M elec, 4.5M gas) |
~7,815 MW ⢠49% Hydro / 29% Nuclear / 16% Gas |
Northern & Central California exclusively. | BBB / Baa3 (Stable) |
~$10.5 Billion / yr (Grid/wildfire hardening focus) |
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| Duke Energy (DUK) |
~10.6 Million (8.4M elec, 2.2M gas) |
~50,000 MW ⢠41% Gas / 25% Coal / 18% Nuclear |
Carolinas, Florida, IN, OH, and KY. | BBB+ / Baa2 (Stable) |
~$20.6 Billion / yr ($103B 5-year plan) |
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| NextEra Energy (NEE) |
~6.0 Million (Via Florida Power & Light) |
~80,000 MW ⢠53% Wind & Solar / 38% Gas |
Florida Nucleus; competitive wholesale arm spans 30 states. | A- / Baa1 (Stable) |
~$24.5 Billion / yr (Massive green energy buildout) |
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| American Electric Power (AEP) |
~5.6 Million | ~31,000 MW ⢠43% Gas / 41% Coal / 11% Green |
Interconnected across 11 States (OH, TX, WV, VA hub). | BBB+ / Baa2 (Stable) |
~$9.4 Billion / yr ($47B 5-year horizon) |
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| Southern Company (SO) |
~4.4 Million (Regulated electric) |
~43,000 MW ⢠50% Gas / 20% Coal / 15% Nuclear |
GA, AL, MS nucleus; wholesale spans 15 states. | BBB+ / Baa1 (Moody's Neg) |
~$16.2 Billion / yr ($81B 5-year program) |
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| Xcel Energy (XEL) |
~6.1 Million (3.9M elec, 2.2M gas) |
~23,000 MW ⢠35% Green / 29% Coal / 23% Gas |
Upper Midwest hub focusing on MN and CO. | BBB+ / Baa1 (Stable) |
~$12.0 Billion / yr ($60B 5-year baseline forecast) |
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| Entergy Corporation (ETR) |
~3.0 Million | ~24,000 MW ⢠~55% Gas & Oil / ~21% Nuclear |
Gulf Coast: AR, LA, MS, and Southeast TX. | BBB+ / Baa2 (Stable) |
~$14.2 Billion / yr (Ramped via $57B 4-year update) |
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| Vistra Corp. (VST) |
~4.0 Million (Competitive Retail TXU) |
~44,000 MW Heavy Natural Gas & Nuclear IPP merchant |
Texas (ERCOT) nucleus with heavy PJM market expansion. | BBB- / Baa3 (Stable) |
~$3.2 Billion / yr (Unregulated IPP; lower capital grid draw) |
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| Constellation Energy (CEG) |
~2.0 Million (Wholesale / Commercial) |
~32,400 MW ⢠~85% Nuclear baseline engine |
Mid-Atlantic & Midwest merchant generation tracks. | BBB+ / Baa1 (Stable) |
| Company (Ticker) | Customer Accounts | Total Generation Capacity | Fuel Generation Mix | Core Geographic Footprint |
|---|---|---|---|---|
| Exelon Corporation (EXC) |
~10.5 Million | Pure Grid (0 MW owned) |
N/A (Pure transmission and distribution operator) | Mid-Atlantic & Midwest: Illinois, Pennsylvania, Maryland, New Jersey, Delaware, D.C. |
| PG&E Corporation (PCG) |
~16.0 Million (5.5M electric, 4.5M gas, serving 16M residents) |
~7,815 MW | ⢠49% Hydroelectric ⢠29% Nuclear (Diablo Canyon) ⢠16% Natural Gas ⢠6% Solar & Storage |
Northern and Central California exclusively. |
| Duke Energy (DUK) |
~10.6 Million (8.4M electric, 2.2M gas) |
~50,000 MW | ⢠41% Gas / Oil ⢠25% Coal ⢠18% Nuclear ⢠16% Green Hydro/Solar |
Carolinas, Florida, Indiana, Ohio, and Kentucky. |
| NextEra Energy (NEE) |
~6.0 Million (Via Florida Power & Light) |
~80,000 MW | ⢠53% Wind & Solar ⢠38% Gas / Oil ⢠9% Nuclear |
Florida Nucleus (regulated FPL); competitive wholesale clean energy spans across 30 states. |
| American Electric Power (AEP) |
~5.6 Million | ~31,000 MW | ⢠43% Natural Gas ⢠41% Coal ⢠11% Hydro, Wind, Solar ⢠5% Nuclear |
Interconnected across 11 States (Ohio, Texas, West Virginia, Virginia hub). |
| Southern Company (SO) |
~4.4 Million (Regulated electric customers) |
~43,000 MW | ⢠50% Natural Gas ⢠20% Coal ⢠15% Nuclear ⢠15% Hydro, Solar, Wind |
Georgia, Alabama, Mississippi (regulated hub); wholesale arm reaches 15 states. |
| Xcel Energy (XEL) |
~6.1 Million (3.9M electric, 2.2M gas) |
~23,000 MW | ⢠35% Wind & Solar ⢠29% Coal ⢠23% Natural Gas ⢠13% Nuclear |
Upper Midwest hub focusing on Minnesota and Colorado. |
| Entergy Corporation (ETR) |
~3.0 Million | ~24,000 MW | ⢠~55% Natural Gas & Oil ⢠~21% Nuclear ⢠Rest: Coal, Hydro, Solar |
Gulf Coast: Arkansas, Louisiana, Mississippi, and Southeast Texas. |
| Vistra Corp. (VST) |
~4.0 Million (Retail electric customers via TXU Energy) |
~44,000 MW | ⢠Heavy Gas & Nuclear (with legacy coal & scaling utility battery storage) | Texas (ERCOT) focus, expanding heavily across the PJM market (East Coast / Midwest). |
| Constellation Energy (CEG) |
~2.0 Million (Mainly commercial, industrial, and public sector) |
~32,400 MW | ⢠~85% Nuclear ⢠~15% Natural Gas, Hydro, Wind, Solar |
Mid-Atlantic & Midwest merchant footprints. Spun off from Exelon. |
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Exported chart ready.