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How Solar & Storage Lower Your Electric Bill

What you are actually being charged for each month, why those charges keep climbing in Westchester, and the specific mechanisms by which local solar and battery storage push them back down.
Start here

What are you being charged for?

A Westchester electric bill splits three ways. Most of it is not the electricity itself.

56%
33%
11%

Delivery charges · 56%

What your provider pays to transport electricity from the source to your house, over poles, wires, substations and transformers.

Supply charges · 33%

What your provider pays to purchase the electricity itself from generating sources.

Taxes & surcharges · 11%

The remainder of the monthly bill.

Why it keeps rising

Westchester runs on natural gas

The grid serving the metro New York area relies 99% on fossil fuel combustion, and 98% of that is natural gas. When gas prices move, your supply charge moves with them.

Natural gas
98.2%
Other fossil
0.7%
Oil
0.5%
Solar
0.2%
Wind
0.1%
Because utilities are allowed to pass through 100% of whatever electric supply costs each month, they have little incentive to hold supply rates down. They are always made whole by the consumer. Source: NYISO Gold Book 2025; EPA 2023 eGRID, New York Metro subregion.

Residential rates rose 30% in four years

What a typical Con Edison household paid per kilowatt-hour.

2021
0
→
2025
0
A 30% rise in four years, and it continued through the first five months of 2026 after a colder-than-usual winter and a spike in natural gas prices.

The reliability warning behind the rates

In April 2026 the New York Independent System Operator issued its annual Summer Reliability Report. If the state sees a heatwave averaging 95°F for three or more days, the forecast capacity margin is:

−1,679 MW

A negative margin means New York would not have enough electricity on those days, raising the prospect of rolling brownouts. Source: NYISO Short-Term Assessment of Reliability, 2026 Q1.

The solar side

Four ways local solar lowers bills

Community solar projects benefit Westchester in ways that reach well past the subscriber.

1

Free grid infrastructure

When a developer applies for interconnection, the utility specifies the transformers and connection equipment the developer must buy and install, which the utility then owns. Every project strengthens the local grid at no cost to ratepayers.

2

Less imported power

Electricity injected locally reduces the need to import power from far-away upstate sources, which saves the utility on supply costs.

3

A direct subscriber discount

The utility compensates the developer for injected electricity, and the developer must pass a discount to enrolled subscribers, typically 5% to 10% savings.

4

Lease income for site owners

Projects pay the site owner a lease for 20 to 25 years, income the owner would not otherwise earn from that roof or ground space.

Behind-the-meter solar is prepaid electricity

Installing solar or storage on your own property for your own consumption is effectively prepaying for 25 years of electricity. Once you recover the initial investment, the remaining years are free. Even a system covering only half your annual usage has cut your exposure to ever-escalating utility rates by half.

The storage side

Three ways BESS lowers bills

Storage stabilizes the Con Edison grid by shaving peak demand, deferring expensive upgrades, and making renewables usable around the clock.

1

Peak shaving

Systems charge overnight or midday when demand is low, then discharge in the late afternoon and evening when demand peaks. Shifting that load protects transformer substations from overloading and avoids local outages during extreme heat.

2

Deferring costly upgrades

Storage is a non-wires solution that removes the immediate need to build multi-million dollar substations, and relieves congestion where adding cable in dense underground conduit is physically very difficult.

3

Integrating clean energy

Storage harvests solar generated during the day and releases it when production drops, providing a reliable reserve that reduces reliance on older, high-polluting fossil fuel peaker plants sited in local neighborhoods.

Utilities also pay customers directly for this flexibility. Con Edison demand-response programs such as Smart Usage and Grid Rewards™ pay customers to shed load during peak events and deliver those reductions reliably across the year.

Westchester today

Don't we have enough solar already?

As of May 2026. The vast majority of systems are roof-mounted and serve behind the meter, reducing the owner's own bill.

0
Residential solar systems
0
Non-residential properties
0
Community solar projects online
0
Combined solar capacity
To meet Westchester's fair share of statewide clean energy targets
0

Installed solar capacity must increase roughly fourfold, from 262 MW today to 1,000 MW.

Sources. NYISO Gold Book 2025 · NYISO Short-Term Assessment of Reliability, 2026 Q1 · EPA 2023 eGRID, New York Metro subregion · NY-Sun program data, May 2026 · Con Edison rate filings. Adapted from the CEAC Solar/BESS economic considerations outline (D. Cooper, Zarin & Steinmetz; L. Wiegman, Sustainable Westchester).