It’s Time to Rethink Your Electricity Strategy: How Soaring Data Center Demand and Capacity Costs are Changing Your Bill

Rapid data center expansion is reshaping grid economics. These facilities introduce large, constant, 24/7 demand that concentrates load in specific regions and increases strain during peak periods. To maintain reliability, grid operators must procure additional capacity, driving higher and more volatile capacity costs that are ultimately passed through to end users.

Pennsylvania’s capacity auction results for 2027/2028 hit the FERC-approved price cap at $333.44/MW-day—marking the third consecutive record-breaking auction and representing a more than 1,000% increase from prices in 2024/2025. When the grid is under stress, flexibility matters. Strategic load management can create new revenue opportunities, reduce future capacity costs, and help stabilize long-term pricing—but only when it’s planned correctly.

It’s time to rethink your business’s electricity procurement strategy!

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The Data Center Effect on Electricity: Why This Time Is Different

PJM projects data center load could grow from current levels to approximately 30 GW of new demand by 2030—equivalent to adding the constant electricity demand of millions of homes to the grid. In Pennsylvania alone, multiple hyperscale facilities are under development in the Lehigh Valley, Harrisburg corridor, and Pittsburgh regions, collectively representing gigawatts of new, non-interruptible load.

Unlike traditional industrial growth that distributed across regions and operated with some demand flexibility, data centers cluster around fiber connectivity hubs and create three distinct challenges for grid operators:

Geographic Concentration: Development clusters in specific transmission zones rather than spreading across the system. This creates localized constraints that force capacity procurement in particular delivery areas, driving up costs regionally even when overall system capacity appears adequate.

Constant Baseload Profile: Data centers operate 24/7/365 with minimal load variation. They can’t shift demand to off-peak periods or curtail during system stress events the way some industrial loads can. Every megawatt of data center capacity requires a corresponding megawatt of firm generation or storage capacity available at all times.

Peak Period Coincidence: While data centers maintain flat load profiles, their constant consumption during system peak periods, typically hot summer afternoons when air conditioning loads surge, means they directly contribute to the capacity procurement calculations that set market-wide costs. As this baseload grows, the total capacity requirement grows proportionally.

The cumulative effect: capacity markets must procure significantly more resources to maintain the same reliability standards, and those costs flow through to all electricity consumers in affected regions, regardless of whether your business has anything to do with data centers. According to PJM’s independent market monitor, data center load growth accounted for 40% of capacity costs in the most recent auction.

Where These New Electricity Costs Show Up for Your Business

Many companies are still purchasing electricity through traditional fixed or utility-default structures that were never designed for this environment. These approaches typically bundle capacity costs into a single blended rate, obscuring the underlying volatility and eliminating opportunities to manage exposure separately.

For businesses in deregulated markets, capacity costs are embedded in your energy rate—a $200+/MW-day capacity price translates to meaningful cents-per-kilowatt-hour additions to your all-in cost. For those on utility default service, capacity procurement expenses flow through distribution rates, often with a lag that means today’s auction results influence bills extending 12-18 months forward.

The impact compounds across peak demand charges, transmission cost allocations, and network upgrade investments triggered by data center interconnection requirements. For businesses with annual energy spend exceeding $250,000, capacity-related costs could represent 15-25% of total electricity expenses; a portion that’s grown dramatically and shows no signs of reverting to historical norms.

Why the Next 90 Days Matter to Your Business’s Electricity Bill

Timing is critical. Capacity-related costs are largely set well before the delivery year begins, and decisions made in the coming months will materially influence what you pay.

The current planning window offers opportunities that disappear after key market deadlines. Before capacity auction results fully price into supplier quotes, certain load response programs and alternative rate structures remain available. Once suppliers incorporate worst-case scenarios and risk premiums into their forward pricing, negotiation leverage evaporates.

For businesses with electricity contracts renewing in Q2-Q4 2026 supplier pricing will reflect elevated capacity market expectations. Engaging now, before those projections are locked into contracts, creates optionality that waiting eliminates.

Miss this window, and options become limited, often leaving higher costs locked in with no mitigation strategy for 12-36 months, depending on your contract structure.

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Learn More: Backup Fuel for Power Generation and Data Centers

Understanding how data centers operate (and why they place such unique demands on the grid) provides valuable context for these capacity market dynamics. In a recent episode of the Energy Exchange Podcast, Shipley Energy’s Josh Rode sits down with Gary Sutton of WOYK to discuss the fuel side of critical infrastructure and backup systems that keep these facilities running in an industry where even seconds of downtime can have massive consequences.

“Electricity is reliable most of the time. But grids can go down, natural gas can get curtailed. And the backup diesel fuel is their last line of defense to keep their operation running. These customers cannot go dark. Their customers cannot go dark. So it’s critical that they have that backup supply source on hand, in storage, and ready when they need it.” – Josh Rode, General Manager of Wholesale Fuels

Listen to the full discussion here or on Spotify:

Create an Electricity Procurement Strategy

A conversation with your energy advisor before the spring procurement cycle closes can help identify where exposure exists and what options may be available to manage it. Key questions worth exploring include:

• How do data center development patterns in your specific delivery zone affect your forward capacity cost exposure?
• What capacity cost assumptions are embedded in your current electricity pricing, and how do they compare to post-auction market reality?
• Would alternative pricing structures or demand response programs reduce your capacity allocation given your operational profile?

With capacity prices at historic highs and data center demand fundamentally reshaping grid economics, the question isn’t whether to revisit your electricity strategy, it’s whether you’ll do it while options still exist. Companies that treat this planning cycle like previous years risk absorbing costs that more strategic peers are already positioning to avoid.

The window for 2026/2027 positioning is open now. It won’t stay that way.

Contact Shipley Energy

Shipley Energy’s Advisor team is watching the electricity market closely and is actively helping customers take advantage of pricing structures and programs like demand response to reduce and control their business’s electricity costs.

Reach out to an Advisor today to take action against before data center demand is priced into the market.

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