AI Energy Providers Comparison
Compare energy providers powering AI data centers - capacity, energy type, sustainability, key partnerships, and financial outlook.
Last updated: 2026-02-11
| Feature |  Constellation EnergyConstellation Energy Corp. |  NextEra EnergyNextEra Energy Inc. |  Crusoe EnergyCrusoe Energy Systems |  LanciumLancium Inc. |  OkloOklo Inc. |  NuScale PowerNuScale Power Corp. |
|---|---|---|---|---|---|---|
| General | ||||||
| Headquarters | Baltimore, MD | Juno Beach, FL | San Francisco, CA | Houston, TX | Santa Clara, CA | Portland, OR |
| Founded | 2022 (spun off from Exelon) | 1925 | 2018 | 2017 | 2013 | 2007 |
| Company Type | Public (NASDAQ: CEG) | Public (NYSE: NEE) | Private (~$10B valuation) | Private | Public (NYSE: OKLO) | Public (NYSE: SMR) |
| Business Model | Utility / Power Generator | Utility / Renewable Developer | AI Cloud + Data Center Operator | Clean Energy Campus Developer | Advanced Reactor Developer | Small Modular Reactor Developer |
| Energy Type & Source | ||||||
| Primary Energy Source | Nuclear | Wind & Solar | Natural Gas (Stranded/Flared) + Renewables | Wind + Solar + Battery Storage | Advanced Fission (Fast Reactor) | Nuclear (Small Modular Reactor) |
| Nuclear Power | ||||||
| Wind Energy | ||||||
| Solar Energy | ||||||
| Natural Gas | ||||||
| Battery Storage | ||||||
| Capacity & Scale | ||||||
| Total Generation Capacity | ~32 GW (largest US nuclear fleet) | ~73 GW (largest renewable fleet) | ~3 GW (planned by 2026) | ~1.2 GW (Clean Campus) | Pre-commercial (75 MWe per unit) | Pre-commercial (77 MWe per module) |
| AI-Dedicated Capacity | ~2+ GW (Crane Clean Energy Center + contracts) | ~15 GW planned for data centers by 2035 | 1.2 GW (Abilene campus) + 1.8 GW (Wyoming) | 1.2 GW (Abilene Clean Campus) | 12 GW pipeline (Switch deal through 2044) | 6 GW (ENTRA1/TVA deployment program) |
| Largest Single Facility | Crane Clean Energy Center (835 MW) | GW-scale data center hubs (planned) | 1.2 GW Abilene, TX campus | 1.2 GW Abilene Clean Campus | 1.2 GW Meta campus (Ohio, planned) | 924 MWe (12-module plant) |
| Scalability(?) | Existing fleet + restart projects | Massive pipeline (up to 30 GW by 2035) | Rapid expansion with VC funding | Modular campus design | Modular reactor deployments | Scalable 1-12 module configurations |
| AI Data Center Infrastructure | ||||||
| Owns/Operates AI Data Centers | ||||||
| GPU Cloud Services | ||||||
| GPU Support (Nvidia) | N/A (power only) | N/A (power only) | Up to 400,000 GB200 GPUs | Campus hosts GPU tenants | N/A (power only) | N/A (power only) |
| Co-located Power & Compute(?) | Planned | Planned | ||||
| Key AI Partnerships | ||||||
| Microsoft | 20-year PPA (Crane restart) | |||||
| Landmark energy & AI partnership (3.5 GW+) | ||||||
| Meta | 2.5 GW across 11 PPAs | 1.2 GW nuclear campus (Ohio) | ||||
| Nvidia | Strategic investor + GPU partner | |||||
| Other Major Partners | Calpine (acquired Jan 2026) | Basin Electric, multiple utilities | Blue Owl Capital ($3.4B JV) | Crusoe (campus tenant), Blackstone ($500M) | Switch (12 GW through 2044) | ENTRA1 Energy, TVA (6 GW program) |
| Sustainability & Carbon Profile | ||||||
| Carbon-Free Energy % | ~90% (largest clean energy producer in US) | ~70%+ (largest wind/solar operator) | Partial (reduces methane flaring by ~99%) | High (wind + solar + storage) | 100% (zero-emission nuclear) | 100% (zero-emission nuclear) |
| Net Zero Target | 2040 | 2045 | Not disclosed | Not disclosed | Carbon-free by design | Carbon-free by design |
| Uses Recycled/Waste Energy(?) | ||||||
| Financial Overview | ||||||
| Revenue (Latest) | ~$25B (2024) | ~$24B (2024) | ~$1B (2025 projected) | Not disclosed | Pre-revenue | Pre-revenue |
| Market Cap / Valuation | ~$75B+ | ~$150B+ | ~$10B (Series E, Oct 2025) | Not disclosed | ~$5B+ | ~$3B+ |
| Recent Major Funding / Deal | Calpine acquisition (Jan 2026) | Google partnership (Dec 2025) | $1.375B Series E (Oct 2025) | $500M from Blackstone | Meta 1.2 GW deal (Jan 2026) | ENTRA1/TVA 6 GW program (Sep 2025) |
| Technology Readiness | ||||||
| Commercial Operations | ||||||
| NRC / Regulatory Approval | Fully licensed fleet | Fully licensed fleet | N/A | N/A | Under review (resubmitted) | First NRC-certified SMR design |
| Expected AI Power Delivery(?) | Now (existing fleet) | Now + 2026-2028 pipeline | Now (Abilene mid-2026 full scale) | 2025 (Phase 1 operational) | Late 2020s (first reactor) | Late 2020s (first commercial plant) |