The Urgency of Battery Storage for Utilities in PJM

For PJM utilities, battery energy storage systems (BESS) aren’t just a “nice to have” anymore—they’re becoming a critical strategic asset. The value comes from stacking multiple benefits across reliability and cost control.

This has never been truer than it is today. In April, PJM Interconnection LLC announced it is seeking 15 gigawatts of new power supplies in an emergency proposal to address potential electricity shortages stemming from the boom in artificial intelligence.

PJM—the grid operator for 13 states in the Mid-Atlantic and Midwest and the District of Columbia—is facing a capacity shortfall. In fact, PJM Interconnection will need 43 gigawatts of new energy storage by 2045, according to a Brattle Group analysis commissioned by the U.S. Energy Storage Coalition.

PJM’s latest capacity auction underscored how sensitive the system is to supply constraints. Prices rose to their highest level on record, reflecting tightening supply and limited new generation. The July 2025 auction cleared at $329.17 per MW-day, up 22 percent from the prior year’s auction—according to Reuters and RTO Insider.

Forgive the pun … there’s a real “convergence” of market, policy, and grid conditions in PJM that makes battery storage materially more valuable right now than even a few years ago.

A Deeper Dive into the Urgency for Utility-Scale Battery Storage

1. Peak Load Management

PJM utilities often pay high costs tied to peak demand.

• PJM charges (like capacity tags, transmission charges) are heavily influenced by a few peak hours.

• Batteries can discharge during those peaks, lowering capacity and transmission costs

👉 This is often one of the highest ROI use cases.

2 Reliability & Resilience

This is especially important for utilities serving critical community loads.

• Battery storage can provide improve outage response and grid stability

👉 By charging when demand is low and discharging when demand is high, battery storage systems can reduce the need for peaker plants and increase reliability

3. Renewable Integration

If your utility has or is planning solar:

• Battery storage systems smooth intermittency

• Battery storage systems can store excess midday solar and shift it to evening peaks

👉 Adding battery storage to your community can increase the value of local generation.

4. Transmission & Distribution Deferral

Instead of upgrading wires/substations, utilities like yours can:

• Use a battery storage system to relieve congestion or local overloads

• Defer or avoid capital-intensive infrastructure projects

👉 A battery storage system that defers these upgrades can keep costs lower than they would otherwise be for ratepayers.

5. Rate Stability & Local Control

Utilities, especially munis and coops, are highly sensitive to ratepayer impact.

• Batteries help reduce exposure to volatile wholesale prices

• Enable more predictable, stable rates

• Keep value local rather than paying external generators

Convergent Energy and Power: Proven Battery Storage Expertise

Utilities in PJM who have access to battery storage will be best positioned to capture both economic and reliability benefits relative to communities who do not.

Now is the time for PJM utilities to future-proof communities against the challenges facing the electric grid in PJM.

For fifteen years, Convergent Energy and Power (Convergent) has gained deep expertise by working closely with utilities on behalf of communities to take the hassle out of energy storage by building, owning, and operating systems on our customers’ behalf. We’ve been developing battery storage systems for ~15 years, and have been around as long as the battery storage sector itself.

The Bottom Line: Now is a critical window because multiple value drivers are peaking at once:

• Rising capacity costs

• Near-term supply constraints

• Strong incentives

• Increasing volatility

That combination creates a temporary but powerful economic sweet spot for battery storage.

If you’re looking to future-proof your facility with an on-site battery storage system, schedule a free, no-obligation introductory call with our team today.