Standard Offer vs. Competitive Supply: How Default Rates Create the ESCO Margin Nationwide
Every deregulated state structures its default utility rate differently, and every one of those structures creates a different competitive opportunity for suppliers. Understanding the mechanics of each state’s default service isn’t optional — it’s the entire basis for pricing competitive offers.
The universal pattern
Whether it’s Ohio’s Standard Choice Offer (SCO), Pennsylvania’s Price to Compare (PTC), New York’s supply charges, Connecticut’s Standard Service, or Texas’s Price to Beat legacy, every default rate follows the same logic: the utility or provider of last resort procures supply through a structured process (auctions, RFPs, laddered contracts) and passes the cost through at a blended rate.
That blended rate almost always carries embedded premiums that a nimble competitive supplier can beat — at least some of the time. The question for ESCOs is always: how wide is the spread, and how stable is it?
State-by-state dynamics
Ohio (SCO – Enbridge Gas Ohio): Indexed to NYMEX strip pricing plus retail adjustments. The forward-curve indexing means the SCO structurally carries winter risk premium even during shoulder months. Aggregation programs are the primary enrollment channel. The PUCO’s Apples to Apples tool provides rate comparison.
Pennsylvania (PTC): Quarterly updated Price to Compare. PaPUC runs one of the most transparent competitive markets — the PTC is published well in advance and the filing process is well-documented. Large residential choice participation, especially in PPL and PECO territories.
Texas (PUCT/ERCOT): The largest competitive retail market in the US. No default rate for most customers — pure competition. REPs compete on price, plan structure, and contract terms. The PUCT licensing process is the gateway, and new entrants are frequent. The Power to Choose comparison site drives significant traffic.
New York (NYPSC): Utility supply charges vary by territory. Con Edison, National Grid, NYSEG, and RG&E each run separate procurement processes. The NYPSC has been tightening ESCO marketing rules — the regulatory risk is real and ongoing.
Illinois (ICC): Fixed-price BGS determined through procurement events. ComEd and Ameren territories have different competitive dynamics. Municipal aggregation has been a massive enrollment driver, though recent legislative changes have shifted the landscape.
Connecticut (PURA): Standard Service rates update semi-annually. Eversource and UI territories. The state has oscillated on ESCO-friendliness — regulatory mood matters here.
Maryland (MD PSC): Standard Offer Service priced through auctions. BGE, Pepco, Delmarva each have separate SOS rates. The MD PSC has one of the more active enforcement dockets.
What to watch
For suppliers and vendors tracking new market entry opportunities:
- License applications: New ESCO/REP applications signal competitive intent. Track them across all states — this is where the leads are.
- Default rate resets: Every quarterly or semi-annual rate adjustment changes the competitive spread. Time your marketing to the rate cycle.
- Aggregation RFPs: Municipal aggregation programs in OH, IL, MA, and NJ represent the largest volume enrollment opportunities.
- Enforcement actions: Consent orders, license revocations, and marketing practice complaints affect competitor positioning and signal regulatory trends.
Bottom line: The competitive spread exists in every deregulated state, but its size, stability, and accessibility vary enormously. Winning suppliers track all of them.