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Quick Answer
If your roof is more than 15 years old, reroof before or at the same time as solar. Bundling reroof + solar saves $2,000-5,000 in shared labor and scaffolding costs. Installing solar on a roof that needs replacement within 10 years means paying $5,000-8,000 to remove and reinstall panels later.
Start with your roof's age and condition to determine the best approach.
If: Roof is less than 10 years old
Your roof has 15-20+ years of life remaining. Solar panels can be installed safely. Most roofing warranties are 25-30 years for architectural shingles.
If: Roof is 10-15 years old
A professional inspection ($200-400) can determine remaining roof life. If the inspector finds good condition with 10+ years remaining, install solar. If showing wear, consider bundling.
If: Roof is 15-20 years old
Your roof is approaching end-of-life. Installing solar now means you will likely need to remove panels for a reroof within 5-10 years, costing $5,000-$8,000 extra. Bundle both projects.
If: Roof is 20+ years old
Most asphalt shingle roofs are past their prime at 20+ years. No reputable solar installer should mount panels on a roof this age. Reroof is mandatory before solar.
Based on a typical 2,000 sq ft roof with asphalt shingles and a 8-10 kW solar system. Prices reflect 2026 Northeast averages.
Total Cost
$34,500 - $47,000
Total Cost
$39,000 - $54,000
Total Cost
$32,000 - $40,000
NuWatt handles both roofing and solar installation as a single coordinated project. This means one point of contact, one permit process, and aligned warranties.
Roof warranty and solar warranty start on the same date. No finger-pointing between contractors if an issue arises.
Scaffolding, dumpster, and crew mobilization costs are split across both projects, saving $2,000-5,000.
One combined permit application instead of two separate ones. Faster approval, less hassle, lower permit fees.
Panels are mounted on a brand-new roof surface with fresh underlayment. Lag bolts seat perfectly in new decking.
If you notice any of these issues, address them before or alongside solar installation. A qualified roofer can assess remaining life with a physical inspection.
If your roof is more than 15 years old, yes -- reroof before or at the same time as solar installation. Installing solar on a roof that needs replacement within 10 years means paying $5,000-8,000 later to remove and reinstall panels. If your roof is under 10 years old with no damage, install solar now.
Removing solar panels for a roof replacement costs $3,000-5,000, and reinstalling them after the reroof costs another $2,000-3,000. Total additional cost: $5,000-8,000. This does not include the risk of panel damage during removal or potential warranty issues with the solar system.
Yes, and bundling is often the most cost-effective option. Doing both at once saves $2,000-5,000 in shared labor, scaffolding, and permit costs. You also get aligned warranties and optimal panel mounting on a brand-new roof. NuWatt offers bundled reroof + solar packages.
Asphalt shingle roofs typically last 25-30 years. If your roof is over 15 years old and you are planning solar, get a professional inspection. At 20+ years, replacement before solar is almost always recommended. Metal roofs last 40-70 years and are generally fine for solar at any age.
Properly installed solar panels should not damage your roof. In fact, they protect the roof surface beneath them from UV degradation and weather. The mounting system penetrates the roof with lag bolts sealed with flashing, which is waterproofed during installation. Issues arise only with poor installation or when panels are mounted on a roof that was already deteriorating.
NuWatt offers free roof assessments as part of our solar consultation. We will tell you honestly whether your roof needs replacement first, and if so, we can bundle both projects.