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City of Troy (MI)

Michigan Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2023
Fire Code Version2015 Building Code
Wet Stamps RequiredDigital Structural
Fire Setback Enforced1

Codes

NEC Code Version
2023
Fire Code Version
2015 Building Code
Code List

2021 MICHIGAN BUILDING CODE

2015 MICHIGAN RESIDENTIAL CODE

2021 MICHIGAN REHABILITATION CODE

2021 MICHIGAN MECHANICAL CODE

2021 MICHIGAN RESIDENTIAL ENERGY CODE

2015 MICHIGAN ENERGY CODE

2023 NATIONAL ELECTRICAL CODE

2023 MICHIGAN ELECTRICAL CODE

IEBC Accepted
1
ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

Revision Required
1
Rough Inspection
None
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
N/A

Fire setbacks

Fire Setback Enforced
1
Setback Notes

2015 FSB enforced: Always have 3-foot-wide access pathways from the eave to the ridge on each roof slope where panels or modules are located.

Structural & loads

Wind Speed
115
Wind Notes

https://ascehazardtool.org/

Snow Load
25
Snow Load Notes

https://ascehazardtool.org/

Reducible Snow Load Allowed
1
Max Attachment Spacing
96
Minimum Ground On Roof
#10

Electrical

AC Disconnect Required
Yes
Electrical Load Calcs Required
Derates
Allowed POI
Meter Adapter,PV Breaker,Line Side Taps,Load Side Taps
Panel Schedule Required
Partial Home Backup
Supply Tap Neutral Ground Bond Required
1
Temperature Rating
90
De Rating Ampacity
0.91
BOS Restrictions

Standard

Battery / ESS

Unique Battery Placards Needed
0
ESS Notes
  • INTERIOR BATTERY MOUNT REQUIRE SMOKE DETECTOR
Separate ESS Disconnect Required
No
ESS Elevation Detail Required
No

Plan set

Plan Set Requirements


Cover Page


Cover Page Notes


Site


Roof Plan


Attachment Detail


Electrical Diagram

Grounding

  • Ground rod must be shown on the right side of the disconnect.
  • Neutral wire should remain continuous - do not cut or bond inside the disconnect.
  • Neutral-to-ground bond must occur only at the first means of disconnect (typically the Main Service Panel (MSP)).
  • Reflect the utility grounding bond connection in the main service panel.

Tap Configuration (LST)

  • All taps must be located outside and in a tap box near the Utility Meter.
  • All taps must be accompanied with a fused disconnect within 5' of the Utility Meter.
  • BOND N-G

Conductor Terminations

  • Clearly show conductor termination points - not just symbolic boxes (The wires must attach to the disconnect switch, breaker, etc.. It cannot "end at the disconnect box outline).
  • Ensure all wires are shown landing in terminals and disconnects accurately.

MPU/Battery

  • Fused disconnect between MID and UM
  • Surge protection required

PROVIDE UL LISTED EQUIPMENT FOR POI

Label Page


Custom Placards Required
0

Ground mount

Ground Mount Fencing Required
No
Ground Mount Notes

Standard Ground Mount requirements

Setback Front Yard
10
Setback Back Yard
5
Setback Side Yard
5
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the City of Troy (MI) 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.