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City of Waterville (ME)

Maine Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2023
Fire Code Version2018 Building Code
Wet Stamps RequiredDigital Structural
Fire Setback Enforced1

Codes

NEC Code Version
2023
Fire Code Version
2018 Building Code
Code List

MAINE UNIFORM BUILDING AND ENERGY CODE

2021 INTERNATIONAL RESIDENTIAL CODE

2021 INTERNATIONAL BUILDING CODE

2021 INTERNATIONAL EXISTING BUILDING CODE

2021 INTERNATIONAL ENERGY CONSERVATION CODE

2021 INTERNATIONAL MECHANICAL CODE

2023 NATIONAL ELECTRICAL CODE

ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

Revision Required
1
New Planset Required For Module Swap
0

Stamps

Ee Stamp Required On SLD
No
Wet Stamps Required
Digital Structural
Structural Calculations Required
Yes
Stamp Location On Plans
Unspecified
Date On Stamps
Date Plans are Stamped

Fire setbacks

Fire Setback Enforced
1
Setback Notes

Follow NFPA-1 Setbacks


The 33% roof area calculation is done for each individual MP. If the MP has over 33% roof area coverage 36" FSB is required at the ridge.

Structural & loads

Wind Speed
90
Snow Load
80
Reducible Snow Load Allowed
1
Minimum Ground On Roof
#10

Electrical

AC Disconnect Required
No
Allowed POI
Load Side Taps,Meter Adapter,PV Breaker,Line Side Taps
Supply Tap Neutral Ground Bond Required
0
Temperature Rating
90
De Rating Ampacity
0.91

Battery / ESS

Unique Battery Placards Needed
0
ESS Notes

Standard

Plan set

Custom Placards Required
0

Ground mount

Ground Mount Fencing Required
Mesh/Scrim
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the City of Waterville (ME) building department before you rely on this, and treat it as a research head start, not a ruling. Getting quotes? Run them through the quote checker first.