Solar Photovoltaic (PV) Permit — Sidney, Montana · Requirements sheet
Verified 2026-07-20 · Source: https://bsd.dli.mt.gov/_docs/building-codes-permits/ApplicationAlternativeEnergyPermit.pdf
PermitBase is an independent reference and is not affiliated with any government agency. Requirements change and vary by project — confirm current details with the building department before you submit.
Solar Photovoltaic (PV) Permit in Sidney, Montana
Required for installing a rooftop or ground-mount photovoltaic system within Sidney city limits. Because Sidney is not electrical-certified, TWO permits and TWO authorities apply: a City of Sidney Building Permit for the structural/roof-mount work (valuation-based, no dedicated solar line item) and a State of Montana Electrical Permit for the PV electrical installation, issued directly by the Montana DLI Building Codes Bureau, which now uses a flat 'Alternative Energy' fee line (current form revision 11/25).
Verified 2026-07-20 · Source
When you need this permit
- City of Sidney Building Permit required for the structural/roof-mount or ground-mount component; reviewed under the general valuation-based fee schedule — no solar-specific fee line found
- State of Montana Electrical Permit required separately for the PV system's electrical installation — issued by the DLI Building Codes Bureau in Helena, not the City of Sidney (Sidney's own line on the DLI certified-jurisdiction roster shows 'B' only, no 'E')
- If a licensed electrical contractor is performing the work, use the Application for Residential (or Commercial) Electrical Permit and answer 'Yes' to 'Does this project consist of, or include an Alternative Energy Source?', selecting Solar and the applicable system type (Microinverter/AC Module System, PV String System, or Generator)
- If a non-electrician solar installer is performing the work, use the standalone Application for Alternative Energy Permit (BCP-1, Rev. 11/25) instead
- If the project involves a grid-tied alternative energy generator, a licensed electrical contractor MUST obtain an additional permit for the final connection, even if a non-electrician installer handled the rest of the work
- If the system produces 90 volts or more, a licensed electrical contractor must perform the work unless the homeowner is doing the work on their own private house
Required documents
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Fee schedule
Review timeline
Inspection process
- 1
City Building Inspection
Structural/roof-mount or ground-mount foundation compliance
- 2
State Electrical Rough-In
Must be requested with 48 hours' notice before covering up work
- 3
State Electrical Final
All devices installed, system energized; requires 48 hours' notice
See the full Sidney inspection guide — scheduling & re-inspection fees →
Tips
- Solar in Sidney needs TWO separate permits from TWO separate authorities: a City of Sidney Building Permit for any structural component (valuation-based, no solar line item) and a State of Montana DLI Electrical Permit for the PV electrical work.
- Montana's state Alternative Energy fee structure changed between form revisions: the current form (Rev. 11/25) charges a flat $45 for a residential alternative-energy connection, replacing an earlier $65 add-on seen on an older (Rev. 12/22) version of the form still served at a different DLI URL — confirm which fee currently applies when you file.
- If your project is grid-tied, budget for an ADDITIONAL electrical permit and fee for the final connection, performed by a licensed electrical contractor, even if a non-electrician installer handled the rest of the solar work under the Alternative Energy Permit.
Frequently asked questions
Sources & verification
Verified against official sources. Last reviewed 2026-07-20.
Fees, timelines, and adopted codes are researched from each jurisdiction's published records — see how we verify. Requirements change and vary by project, so always confirm the current details with the Sidney building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.
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