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Competitive Landscape of PJM's Wholesale Electricity Market in Early 2026

In a recently released report by Monitoring Analytics, LLC, the performance of the PJM Interconnection's wholesale electricity market during the initial nine months of 2026 has shown competitive results. This analysis is part of the 2026 Quarterly State of the Market Report, focusing on the market structure, participant behavior, and the general performance across the 13 states and the District of Columbia serviced by PJM.

Joseph Bowring, the Independent Market Monitor, stated that, overall, the PJM Energy Market exhibited competitive behavior during this period. However, when looking at the capacity market auctions for the 2025/2026, 2026/2027, 2027/2028, and 2028/2029 delivery years, the results were deemed non-competitive. This lack of competitiveness stemmed from the entry of forecast demand from data centers into the capacity market, which was argued to distort pricing and market dynamics.

One of the pressing concerns highlighted in the report involves the financial burden placed on consumers due to the integration of data center demand into the capacity market. It was noted that this inclusion has led to a staggering cumulative increase of $29.4 billion in costs for all customers, with expectations of this figure climbing further with the upcoming capacity auction in December 2026.

To mitigate these costs, the Market Monitor urged that data centers should be mandated to bring their own new generation capacity instead of relying on the existing market structure. Such an adjustment could help alleviate the financial impact on other market participants and ensure that data centers contribute adequately to their energy consumption costs.

Energy Price Trends

The report highlights a notable increase in energy prices during the first nine months of 2026 compared to 2025. The real-time load-weighted average Locational Marginal Price (LMP) surged by $24.47 per MWh, reflecting a significant increase of 48.4%, moving from $50.51 in 2025 to $74.98 in 2026. This price hike was driven by multiple factors:

• - Transmission constraints accounted for a $8.81 increase, representing 36% of the total rise.
• - An additional $5.73 increase was attributed to fuel and consumable costs, making up 23.4%.
• - Market power contributed $1.71 (7.0%), while emissions costs added $3.32 (13.6%) to the total pricing.

As a whole, wholesale power costs escalated from the previous year, with energy costs making up the most significant portion at 63.5%, followed by capacity costs (17.4%) and transmission costs (17.2%). The total cost per MWh in this market increased from $79.19 in the first nine months of 2025 to $111.61 in 2026, a substantial 40.9% rise.

Market Dynamics and Performance Metrics

Interestingly, the report also examined market performance through energy market net revenues, a critical indicator for investment incentives in generation. Theoretical revenues saw impressive increases for various energy generation methods, with new combustion turbines (CT) generating a 105% revenue increase and offshore wind projects 41%.

Moreover, generation from various energy sources saw a rise, with natural gas (up 2.5%), coal (up 0.4%), and significant advancements in renewable energy sources such as wind (up 5.5%) and solar (up 20.1%) suggesting a shift in the energy generation landscape.

Data center loads imposed additional costs on consumers due to transmission constraints, elevating the congestion revenues which should ideally benefit ratepayers. Despite the total congestion revenue escalating from $2,233.8 million to $4,907.8 million within a year, only a limited percentage was returned to customers, indicating inefficiencies in the market design.

The PJM Electricity Market thus faces a dual challenge: maintaining competitive pricing while addressing the regulatory and structural issues posed by data center demands as well as ensuring customers receive fair congestion revenues.

To delve deeper into these findings and access the complete 2026 Quarterly State of the Market Report, visit Monitoring Analytics.