Con Edison serves Yonkers and Westchester County under the same rate schedule as New York City — one of the most expensive electricity markets in the country. At approximately 26–30¢ per kilowatt-hour, every kilowatt-hour a Yonkers solar system produces and offsets through self-consumption or net metering credit is worth roughly twice what it would be worth to a National Grid customer in Albany or Syracuse. Phase One net metering credits every exported kilowatt-hour at the current Con Edison retail rate, with credits rolling forward month-to-month through the 12-month billing cycle. The 20-year interconnection lock is the same for Con Edison as for National Grid: a system interconnected in 2026 retains Phase One’s favorable credit structure through approximately 2046.
Con Edison’s Customer Benefit Contribution charge runs approximately $20–$30 per month for a typical Yonkers residential system — higher in absolute dollar terms than National Grid’s $0.97/kW/month charge, and non-bypassable by solar credits. On a 6kW system at Con Edison’s mid-range CBC, this is roughly $25/month or $300/year. At Con Ed’s high rates, the annual solar savings on that same 6kW system far exceed the CBC cost, but the charge should be included in financial projections. NYSERDA’s battery storage rebate is $250 per kilowatt-hour in the Con Edison territory — higher than the $200/kWh upstate rate, reflecting the greater value of storage at Con Ed’s peak rates. On a 13.5kWh Tesla Powerwall, that’s $3,375 upfront.
Yonkers’ position as New York State’s fourth-largest city — bordering the Bronx and serving as Westchester County’s urban core — creates a housing profile that mixes dense urban multifamily blocks with the single-family suburban neighborhoods that make rooftop solar practical. The Nodine Hill, Dunwoodie, Homefield, and Colonial Heights neighborhoods have concentrations of owner-occupied single-family and two-family homes with rooftops suitable for solar. Denser areas near Getty Square and the waterfront are predominantly multifamily rental stock where individual rooftop access is limited. Yonkers homeowners in suitable properties benefit from one of New York’s most favorable property tax circumstances for solar: as one of the five largest upstate cities, Yonkers is included in the statutory category where the 15-year property tax exemption applies automatically — homeowners still file Form RP-487, but they do not need to worry about municipal opt-in status the way Albany or Syracuse homeowners do. The added solar value is excluded from assessed value for 15 years from the date of installation.
Con Edison’s interconnection process for Westchester County has historically been more complex than National Grid’s upstate process, with application review times varying based on local grid capacity. Some Westchester homeowners have encountered 3–5 month interconnection timelines. Choose an installer with specific Con Edison Westchester interconnection experience to minimize delays.
Westchester County solar installations typically run $3.00–$3.60 per watt — above upstate New York pricing, reflecting the New York metro area’s higher labor costs. A typical Yonkers system of 6kW–9kW costs approximately $18,000–$32,400 before incentives. After New York’s 25% state tax credit (up to $5,000), NY-Sun rebate where available in Con Edison territory, and sales tax exemption (approximately $1,100–$2,000), effective cash-purchase cost runs approximately $11,000–$24,400. At Con Edison’s approximately 26–30¢ rate, payback runs approximately 7–9 years for cash purchases — faster than upstate markets at equivalent system cost, because each kilowatt-hour produced is worth more at Con Ed’s higher rate. Twenty-five-year savings for Yonkers systems at Con Ed rates are among the higher figures in the New York dataset.
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