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PJM Interconnection: 2025 Year In Review Part III: Planning Prepares For Burgeoning A.I. Data Center Electricity Demand

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PJM Interconnection: 2025 Year In Review Part III: Planning Prepares For Burgeoning A.I. Data Center Electricity Demand

PJM forecasts a dramatic rise in electricity demand—summer peak load climbing roughly 70 GW to 220 GW over 15 years—with data center growth alone projected to add up to ~30 GW between 2025–2030, prompting about $6 billion of Window 1 transmission investments and major reforms to interconnection and planning processes. Since 2023 PJM has processed some 170,000 MW of new generation requests (57 GW completed studies, ~30 GW still in transition), interconnecting ~3,045 MW in 2025, while rolling out new standardized load adjustment submissions, AI tools to accelerate interconnection reviews, and complying with multiple FERC orders (including distribution-rule simplification effective Apr 28, 2026 and new transmission services for colocated loads). The combination of accelerated demand, potential reliability risks, sizable transmission spending, and regulatory change creates region-specific investment opportunities and regulatory risk for utilities, developers, and large consumers across the PJM footprint.

Analysis

Market structure: The PJM forecast (70 GW incremental peak to 220 GW over 15 years; ~30 GW from data centers by 2030) creates clear winners—transmission builders, merchant generators (fast-start gas, peakers), battery/storage OEMs, and grid-services providers—and losers—local ratepayers, small LSEs facing higher capacity charges, and hyperscalers if costs are socialized. Expect upward pressure on capacity auction clears (20–50%+ risk in stressed zones), higher spark spreads, and a multi-billion dollar transmission capex wave (>$6B already scoped) that favors names with engineering/installation exposure. Cross-asset: stronger power prices lift natural gas and industrial metals, push utility bond issuance (spreads may widen 20–60bp for smaller utilities), and raise inflationary shoe for muni/tax-exempt issuance in PJM states.

Risks: Tail scenarios include FERC/state moratoria on new data-center interconnections, mandatory cost-sharing for transmission (regulatory losses to hyperscalers), or prolonged natural gas shortfalls leading to rolling curtailments; any of these could compress hyperscaler margins or force asset write-offs. Timeline: watch Jan 20 (FERC report) and Apr 28, 2026 (distribution-rule change) for immediate volatility; capacity auction cycles and interconnection cycles drive 3–24 month outcomes; 3–15 year structural demand governs capex. Hidden dependencies include permitting bottlenecks, supply-chain constraints for transformers, and political backlash (state legislatures) that can accelerate cost allocation shifts.

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