Peak Load Contribution (PLC) for Ohio Commercial Accounts

Peak Load Contribution (and related capacity tags such as NSPL-style values, depending on settlement path) answers a different question than monthly kWh:

How much load did this account contribute when the system was peaking?

You can run a “normal” year on energy and still carry an expensive capacity obligation if you were fully on during a few critical hours. After PJM Base Residual Auctions cleared near $269.92/MW-day for the 2025/2026 delivery year (vs roughly $28.92/MW-day prior), each kilowatt of peak contribution is economically louder.

This page is the operations and measurement guide. Pair it with navigating capacity costs for contract language and rising capacity charges for bill appearance.

PLC is not the same as utility demand charges

Concept	Question it answers	Where you feel it
Facility demand (kW)	When did this meter peak for tariff demand?	Often utility delivery bill
PLC / capacity tag	When did this meter contribute to system peaks used for capacity allocation?	Capacity costs in supply products / tags

Both reward peak awareness. Confusing them leads to wrong projects (e.g., chasing annual kWh only).

Why tags lag your heroics

Capacity tags are typically set from historical peak windows. Aggressive peak shaving this July may improve next obligation more than this month’s capacity line. That lag is why logging and multi-year discipline matter more than one dramatic afternoon.

Building a peak-week playbook

1. Subscribe to credible alerts for PJM stress / weather extremes relevant to Ohio.
2. Pre-authorize sheddable loads in writing: which chargers, batch processes, or HVAC setpoints may move—and which may never (life safety, pharma, food safety, critical care).
3. Name an owner on each shift; playbooks fail when “someone” is responsible.
4. Log start/stop times and approximate kW moved.
5. Review after the season and attach lessons to the next supplier data room.

Demand response programs can pay for performance and support tag management when the site can actually curtail: demand response.

Data you should request

• Current PLC / capacity tag values by account (supplier report or utility path as applicable)
• Which historical dates set the tag
• How new load (EV, production line, square footage) will be treated mid-term
• Whether your supply product is fixed-capacity or pass-through

Interval data makes these conversations real: load profiling.

Illustrative exposure (order of magnitude only)

At $270/MW-day, a 100 kW (0.1 MW) capacity-relevant tag is on the order of:

0.1 × 270 × 365 ≈ $9,900/year

before product-specific true-ups. At $29/MW-day, the same tag was nearer $1,100/year. Site settlement rules differ—use your actual tags, not this example, for budgets.

Procurement link

When you shop supply, include:

• Known tags and peak narrative
• Planned equipment that will change peaks
• Whether you want full-requirements fixed capacity treatment

See RFP process and data room checklist.

FAQ

Can every facility shave PLC?

No. Hospitals, nursing homes, and many restaurants have limited flexibility. Honesty in the data package beats optimistic curtailment claims.

Does LED lighting fix PLC?

It can reduce load generally, but tags care about coincident hours. Target peak windows, not only annual kWh.

Who owns PLC at a multi-tenant site?

Authority and meter maps matter. Landlord house meters and tenant meters can tell different peak stories.

Sources

• PJM — capacity market context
• PUCO — Ohio retail market context

Illustrative guidance—not engineering or legal advice.

Vertical-specific peak notes (Ohio)

Manufacturing / machine shops — Simultaneous motor starts and overtime shifts often set tags. Document co-starts for suppliers.

Cold storage / grocery — Refrigeration is baseload; dock doors and defrost cycles create the expensive spikes.

Offices — After-hours HVAC overrides and data-closet load can surprise peak windows even when “everyone left at 5.”

EV fleets — Unmanaged depot charging stacked on summer afternoons is a common new tag creator. Separate meters when possible.

Healthcare / senior care — Comfort and code often limit curtailment; emphasize reliability products over aggressive DR stories.

Governance

Name who can authorize peak actions. If facilities will not shed without a written protocol, do not sell a DR-heavy strategy to finance. Pair PLC discipline with honest supply product choice (fixed vs variable).

Next step

Upload bills · 833-264-7776

Local notes for this articles page (1)

This page is peak load contribution plc ohio commercial guide. Keep utility delivery separate from competitive supply ¢/kWh. Document meters, hours, and peaks that apply to this URL only—do not paste another articles essay and swap names. Equalize broker fees before ranking offers. Renewal calendar: 90–120 days before contract end. Upload bills for a labeled review.

Local notes for this articles page (2)

This page is peak load contribution plc ohio commercial guide. Keep utility delivery separate from competitive supply ¢/kWh. Document meters, hours, and peaks that apply to this URL only—do not paste another articles essay and swap names. Equalize broker fees before ranking offers. Renewal calendar: 90–120 days before contract end. Upload bills for a labeled review.

Local notes for this articles page (3)

This page is peak load contribution plc ohio commercial guide. Keep utility delivery separate from competitive supply ¢/kWh. Document meters, hours, and peaks that apply to this URL only—do not paste another articles essay and swap names. Equalize broker fees before ranking offers. Renewal calendar: 90–120 days before contract end. Upload bills for a labeled review.