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Solar + Battery vs. Solar Only in New York

Does adding battery storage improve your solar ROI? Analysis of TOU arbitrage value, net metering export losses, and backup power economics.

Adding a 13.5 kWh battery to a solar system in New York changes the economics in three ways: it enables time-of-use (TOU) arbitrage, reduces export losses under unfavorable net metering policies, and provides backup power during outages.

The solar system alone produces a 25-year NPV of $20,948. Whether a battery adds to this depends entirely on your utility's rate structure. New York has 1 major utility with TOU rates, creating real arbitrage opportunities.

Battery Economics: Con Edison New York

$8,400
Battery Net Cost
$3
Daily Arbitrage
$931
Annual Value
$2,376
25-Year Battery NPV

For Con Edison New York customers, adding a 13.5 kWh battery increases total system NPV by $2,376. The battery generates $931/year in TOU arbitrage by storing solar during off-peak ($14.8¢/kWh) and discharging during peak ($42.8¢/kWh).

Combined System Value

ConfigurationNet Cost25-Year NPV
Solar only (7 kW)$9,455$20,948
Battery only (13.5 kWh)$8,400$2,376
Solar + Battery$17,855$23,324

Frequently Asked Questions

Is solar + battery worth it in New York?
With New York's average utility rate of $22.2¢/kWh and solar irradiance of 1,180 kWh/kW/yr, the 25-year NPV for a 7 kW solar system is $20,948. Battery value depends on your utility's TOU rate structure.
What incentives are available for solar + battery in New York?
The federal IRA provides a 30% ITC for solar and battery installations (through 2032) and up to $2,000 in 25C credits for heat pumps. New York also offers a state credit worth up to $5,000. Income-qualified households may receive additional point-of-sale rebates through the HOMES and HEAR programs.
How long does solar + battery take to pay back in New York?
Solar panels in New York pay back in approximately 6 years. Battery payback depends on TOU rate spreads. Heat pump payback ranges from 5-12 years depending on current fuel costs and local electricity rates.

Other Comparisons for New York

Solar vs Grid›Heat Pump›Full Electrification›

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