Community Choice Aggregation: When a Whole Block Buys Its Power at Once

I · How a block buys power as one customer

Start with the mechanics. A CCA does not build power plants or string new wires. It is a buying club. The city, through an administrator it hires, runs a competitive solicitation and signs a fixed-term supply contract with an energy service company, known in New York as an ESCO (a private supplier licensed to sell electricity). Every enrolled Con Edison account in the covered area then draws its supply from that contract instead of from Con Ed's default rate.

Con Edison stays in the picture, and that matters. It still owns the wires, reads the meter, sends one bill, and restores service after a storm. If the lights go out in a nor'easter, residents still call Con Ed, and the CCA has nothing to do with the repair. What changes is a single line on the statement: the supply charge, and the mix of sources behind it. For a block that chose a renewable default, that supply is matched to wind and hydro through renewable energy certificates (tradable proof that a unit of clean power was put on the grid somewhere).

II · What it changes on the bill, and what it does not

Here is the honest part. A CCA can save money or cost a little more, depending on when the contract was signed and where wholesale prices went afterward. A fixed CCA rate can beat Con Ed's variable supply rate in a volatile winter and lag it in a mild one. At last public report, New York's CCA programs have at times delivered modest savings and at times run slightly above the utility rate, so treat any promise of guaranteed savings with suspicion.

The renewable choice carries its own price tag. Buying power matched to clean sources often costs a bit more per kilowatt-hour than the plain default, sometimes on the order of a few dollars a month for a typical apartment, though the exact spread depends on the contract and shifts over time. That premium buys renewable energy certificates, not a direct wire from a wind farm to the building. It is a real climate action with a real and modest cost, and the block decides together whether the trade is worth it.

III · Who runs it, and who to hold accountable

Four parties share the work. The city or community sets up the program and picks the renewable default. A hired administrator handles the auction and the enrollment. An ESCO wins the contract and supplies the power. Con Edison delivers it and bills for it. Over all of them sits the Public Service Commission (the state regulators who oversee utilities), which approved the CCA framework and can change the rules.

For a resident, the useful move is to read the paper trail. The PSC's orders establishing CCA are public. The city's implementation plan, filed with the state, spells out the covered boroughs, the default product, and the opt-out terms. The supply line on a Con Edison bill shows, in plain figures, what the block is paying and whether the source is the renewable default or the standard mix. Three documents, all checkable, no sales pitch required.

IV · Worth watching this month

1. Watch for any renewal or rebid of the city CCA supply contract, since a new contract resets the rate and is usually where savings or increases show up.

2. Check whether the renewable default is being kept, expanded to more Con Edison accounts, or scaled back, a change the city would file with the Public Service Commission.

3. Look for opt-out notice letters in the mail, typically sent before enrollment or a contract change, since the clock on leaving without penalty starts there.

4. Follow Con Edison's standard supply rate through the winter, because it is the benchmark a fixed CCA rate gets judged against.

5. Keep an eye on PSC proceedings on CCA statewide, where the rules that govern every local program can shift.