Re RoofMount Installation Process- National Grid

Congratulations on taking the next step toward clean, affordable energy. We’re excited to build your roof-mount solar system in Massachusetts and make this easy from start to finish. Since you’re also having a new roof installed by a third-party roofer, here’s what to expect — what you’ll see in your email and mail, the step-by-step timeline, and what we’ll need from you.

From Easy Switch Solar

• Welcome Information Outlined Below:  project summary, target timeline, contacts, homeowner checklist
   
• Final Design & Site Plan: array layout, attachment zones, conduit path (after installation)
   
• Scheduling Emails: site survey, roof/solar dates, inspections, meter swap
   
• Monitoring Setup: invite from the inverter/monitoring app (SolarEdge, Enphase, etc.)
   

From Your Roofer

• Roofing schedule and dates will need to be coordinated we will need your roofers information
   
• Material selection and warranty registration steps
   
• Any change-order notices
   

From the Town/Inspections

• Roofing permit (pulled by the roofer)
   
• Electrical and building permits (pulled by our installation partner)
   
• Permit cards posted at the home during construction
   

From National Grid

• Interconnection confirmation (look for “DG Application” or “Interconnection” in subject lines)
   
• Authorization to Install (ATI)
   
• Permission to Operate (PTO) after meter work is completed
   
• Occasional mailed notices about net-metering or account updates
   

1) Kickoff & Coordination (Days 1–7)

• Confirm array layout, attachment zones, and conduit path
   
• Align solar schedule with roofer’s tear-off and installation dates
   

2) Engineering & Interconnection (1–2 weeks)

• Stamped electrical plans and structural review for MA wind/snow loads
   
• Submit National Grid interconnection (usually simplified review)
   
• You may receive an e-signature request — please sign promptly
   

3) Permits (1–3 weeks)

• Roofer pulls roofing permit
   
• Solar installer pulls electrical and building permits
   

4) Roof Replacement (1–3 days)

• Roofer completes tear-off, repairs decking if needed, installs underlayment and shingles
   
• Roof must be watertight before solar attachment work begins
   

5) Solar Attachments & Racking (1–2 days)

• Install flashed attachments (L-feet) directly into rafters
   
• Mount rails and racking per design
   

6) Modules, Wiring & Equipment (1–2 days)

• Install modules, run homeruns, set inverter(s), rapid shutdown devices, labeling
   

7) Inspections (1–7 days)

• Electrical and building final with the town
   
• Our team attends and resolves any punch-list items
   

8) Utility Meter Work & PTO (1–3 weeks)

• Submit Certificate of Completion and as-builts
   
• National Grid performs meter work and issues PTO by email
   

9) Handoff & Monitoring (same week as PTO)

• Monitoring app setup and training
   
• First Bill Guide to help read net-metering lines on your bill
   
• Owner’s Binder with warranties, manuals, drawings, and photos
   

• Roofer may stage materials and dumpster on-site; cleanup with magnet sweep afterwards
   
• Noise and vibration during roofing and solar work
   
• Solar attachments are flashed and sealed to maintain roof warranty
   
• Attic access may be needed to confirm rafters or run conduit
   
• Please keep driveway clear for crew vehicles and deliveries
   

• Email an updated National Grid bill to easyswitchsolar@gmail.com
   
• Watch for e-signatures from the utility and our install partner Empower Energy Solutions (please sign promptly)
   
• Share roofer’s confirmed schedule so we can coordinate solar work
   
• Ensure attic is accessible
   
• Notify us of HOA requirements or special roof details (chimneys, skylights, snow guards)

•  Assure that the utility panel in the garage or basement is accessible and has a 3 foot clear area around it
   

• Net Metering: Your digital meter records usage/export; credits appear on your bill and vary by season
   
• Monitoring: App shows real-time production (billing shows net use, so values differ slightly)
   
• Warranties: We register solar product warranties and provide a labor warranty; roofer provides separate roof warranty
   
• Tax Items: We’ll send you a summary for IRS Form 5695 (Residential Clean Energy Credit). Please consult your CPA for eligibility and filing.
   

• Design, interconnection & permits: 3–6 weeks
   
• Roofing (by roofer): 1–3 days once scheduled
   
• Solar installation & inspections: 3–6 days total onsite time (often split across visits)
   
• Meter work & PTO: 1–3 weeks after inspections

We’re thrilled to get you powered by the sun!

Your project manager is available at operations@empowerenergy.co. Please CC easyswitchsolar@gmail.com so we can track everything together.

Welcome to Easy Switch Solar,
Sean M
Founder & Principal Consultant
Easy Switch Solar | 774-334-2880 | easyswitchsolar@gmail.com