Three different inspections people mix up
The city's electrical inspection is part of the permit, and each city sets its own. Kalamazoo's checklist asks for one building and one electrical inspection for residential PV, and Detroit's BSEED schedule, effective January 1, 2024, lists a subsequent installation inspection visit at $176 each. Several electrical fees include a single visit: Grand Rapids' $52.00 application fee, Wyoming's $50.00 and Portage's $50.00 base fee each include one inspection, so ask what a second visit costs if the first one fails.
The utility has its own approval step. DTE says that after approval the installer has 180 days to install and upload the construction documents. Those are the inspection sticker signed by the local authority, a photo of each inverter nameplate and a photo of the disconnect within 5 feet of the meter. DTE reviews them within 10 business days, then queues a site visit to test the system and configure the meter, and the whole process takes about six weeks. Consumers Energy's steps end with a commissioning test and a signed Generator Interconnection Operating Agreement.
A private inspection is the one you hire. It doesn't replace either of the other two.
What a solar inspection costs in Michigan
Our estimate is $130 to $285 per inspection visit. It's a model, and a company's bid will differ, because it's built from two published national ranges and scaled by what Michigan solar installers are paid against the US mean. The model adds no permit fee. Repairs the visit turns up and the city's own inspection fees are not in the range.
The table adds Detroit's printed fee for a subsequent installation inspection, which is a city charge and not an inspector's price. No federal credit applies to a 2026 visit.
| Item | Figure | What it is |
|---|---|---|
| Estimated range, not a quote | $130 to $285 per inspection visit | Built from 2 national published ranges, adjusted by the Michigan solar installer wage ratio (0.87). Before any incentive: there is no federal credit for a system installed in 2026. |
| Solar photovoltaic installer wage, Michigan mean | $24.29 an hour | What installers are paid (BLS OEWS May 2025), not what you are charged. Only 310 people are in the Michigan estimate. |
| Subsequent installation inspection visit, Detroit | $176 each | BSEED fee schedule, solar photovoltaic systems. A city charge for a repeat visit, not a private inspector's price. |
How we estimate costs: the Estimated range row comes out of a model, so treat it as a planning figure and never as a quote. It takes 2 published national ranges for this job (cost guides from third-party sites that we haven't verified and don't cite) and multiplies them by Michigan's solar installer wage ratio to the US (0.87, BLS May 2025). The range is before any incentive: the federal residential clean energy credit does not apply to systems installed after December 31, 2025. The wage and permit rows are what installers are paid and what the city charges, and neither is a price. We have not collected quotes, and too few Michigan installers publish prices to show a range. Full method. Prices as of Oct 23, 2026.
How long the city, state and utility visits take
City windows are printed in a few places. Kalamazoo's checklist says the building and electrical inspections for a home PV or storage system are usually done within 5 business days of scheduling. Its permits expire 6 months after issue if work hasn't started, and all work must finish within 12 months.
Grand Rapids sets an order. Its solar guide says the electrical and mechanical inspections must be done before the building inspection is scheduled, and that inspections can typically be done within 2 to 3 days. Online residential applications are reviewed in 3 days or less.
Where LARA inspects because no local agency does, its permit form says to call the inspector with the job location and permit number when you're ready. The inspector typically responds within two business days to schedule and inspects within about five. A permit closes if no inspection happens within 180 days, and reopening it costs $75. LARA's form doesn't list what a PV rough or final inspection checks, so ask the inspector's office before the visit.
When it's worth paying for one
In its July 15, 2026 complaint against Climax Solar, the Attorney General alleges funds were released before systems were finished or utility-approved. That's the pattern to guard against, so before the last payment, ask for the permit sign-off and the utility's approval in writing and confirm the system is finished.
If you're buying a house with panels, ask the seller for the permit record and the utility paperwork. The solar and home sale guide lists the documents. A leased or PPA system isn't owned by the seller, so ask whether the contract can transfer to you.
The sale also changes the tax picture. Michigan doesn't count a residential PV system of up to 150 kW, whose output doesn't exceed annual use, as added value until the property is sold (MCL 211.27(2)(p)). After a sale the assessor may add it, so a buyer can ask the assessor how the system will be treated.
What a reviewer can check against the code
Michigan's rule R 408.30521a says rooftop PV must comply with the code, Section R324 and NFPA 70, that the roof must support the loads, and that roof penetrations are flashed and sealed. LARA lists the 2015 Michigan Residential Code as current, and a July 7, 2025 Court of Claims order holds off the 2021 code, as of LARA's notice.
As one city's checklist reproduces the residential code, R324 asks for roof pathways at least 3 feet wide, panels at least 18 inches from a hip or valley when they sit on both sides, and panels at least 3 feet below the ridge. Midland's photovoltaic checklists ask for the same paths and clearances and for structural calculations. Michigan's electrical code is the 2023 National Electrical Code, effective March 12, 2024, and LARA adds that residential requirements are contained in the Michigan Residential Code.
Ask a reviewer to say in writing what they checked and against which code. Anything involving the wiring goes to a contractor holding a Michigan electrical contractor license, whose number you can look up with LARA.
What happens at the DTE or Consumers visit
DTE's visit decides when the system turns on. Its FAQ, as of September 2023, says the AC disconnect stays off until DTE tests the site, and DTE staff turn it on when the system passes. On a fail, DTE emails the customer and the installer, and the customer asks for a second visit. Connecting early may bill your generation as inflow. DTE's overview adds that you don't need to be home, and that after a pass the bill may take one or two cycles to show the change.
Consumers puts the testing on the customer. Its standard agreement says the customer pays for operational testing before interconnection, the utility may send staff to inspect and observe it, and the customer gives the utility a written report with the commissioning test report. The utility's commissioning and inspection checklist is Exhibit 4 of that agreement, so ask your installer for a copy of the report it filed.
Papers that show the system was finished and approved
A finished system leaves a paper trail. On the city side that's the permit number and the final inspection; on DTE's side it's the inspection sticker the installer uploaded and the Parallel Operating Agreement, which DTE's overview says the customer, not the installer, signs. Consumers Energy customers sign a Generator Interconnection Operating Agreement after the commissioning test.
The bill is the last piece. DTE says the first Rider 18 bill takes one to two billing cycles, and from then on the power you send out is credited at the power supply rate, so ask the utility which bill should first show outflow credits. Bring those papers to the inspection, and keep copies with the contract.
When to call 911 and when it can wait
- Smoke, a burning smell or fire at the inverter, panels or wiring is a 911 call. Leave the equipment alone.
- A home purchase with panels where you want a review before closing.
- A final payment you haven't made yet.
What to collect before the visit
- The permit number and the city's final sign-off.
- The utility's approval to operate, with the date.
- The make and model of the panels and the inverter.
- The contract, the warranty papers and the installer's name.
- The company's electrical contractor license number, looked up with LARA.
Permits and sign-offs to ask for
Permits are pulled under the electrical contractor's state license number, and the state's own form applies only where LARA is the enforcing agency. Ask your city for its permit, inspection and final sign-off dates, and ask your utility, DTE or Consumers Energy, when it approved the system to operate.
The model adds no permit fee for a private visit, and a reviewer you hire doesn't sign off for the city.
Ask for the company's contractor license number and look it up with your state's licensing board before you sign.
Questions people ask
Is a solar inspection the same as the city's electrical inspection?
No, the city's inspection is part of the permit and the private one is a separate visit you hire. The utility also has its own approval step.
Should I inspect a solar system before buying a house?
It's worth asking the seller for the permit record and the utility paperwork first. If the panels are leased or under a PPA, ask whether the contract transfers.
Does a federal credit apply to an inspection?
No, the Residential Clean Energy Credit ended for expenditures made after December 31, 2025.
What papers show a solar system was finished and approved?
The city's permit number and final inspection, and the utility's approval. On DTE's side that's the inspection sticker and the Parallel Operating Agreement the customer signs; on Consumers Energy's, the commissioning test and the signed Generator Interconnection Operating Agreement.
Will buying a house with solar change its property tax?
It can, because Michigan doesn't count a qualifying residential PV system as added value until the home is sold. After a sale the assessor may add it (MCL 211.27(2)(p)).
- U.S. Bureau of Labor Statistics, OEWS May 2025: Solar photovoltaic installers (SOC 47-2231), Michigan statewide, mean hourly wage Read Oct 23, 2026.
- U.S. Bureau of Labor Statistics, OEWS May 2025: Solar photovoltaic installers (SOC 47-2231), United States (national), mean hourly wage Read Oct 23, 2026.
- SolarPanelMatch: how we estimate costs, Michigan (editorial policy) Read Oct 23, 2026.
- City of Detroit BSEED Fee Schedule (effective January 1, 2024; file dated March 31, 2025) Read Oct 23, 2026.
- City of Kalamazoo Electrical Permit Application 2026 and Solar PV System and Energy Storage System Permitting Checklist Read Oct 23, 2026.
- City of Grand Rapids FY 2027 Planning, Design, and Development Fee Schedule Read Oct 23, 2026.
- City of Wyoming, Fee Schedules (Effective 2026) Read Oct 23, 2026.
- City of Portage Department of Community Development Construction Permit Fees (eff. January 2026) Read Oct 23, 2026. Confirm with the source before you rely on it.
- DTE: Solar Panel Interconnection Process Overview Read Oct 23, 2026.
- DTE Electric: Rooftop Solar Distributed Generation Rider 18 letter Read Oct 23, 2026.
- Consumers Energy: Distributed Generation Read Oct 23, 2026.
- Michigan AG: AG Nessel Files Lawsuit Against Solar Company, Financial Institutions Read Oct 23, 2026.
- Michigan State Tax Commission Bulletin No. 6 of 2020 Read Oct 23, 2026.
- MCL 211.27 Read Oct 23, 2026.
- Mich. Admin. Code R. 408.30521a (Cornell LII) Read Oct 23, 2026.
- LARA notice: 2021 Code Injunction, Residential Part 5 and Energy Part 10 Read Oct 23, 2026.
- City of Portage: Michigan Residential Code for Solar Installs Read Oct 23, 2026. Confirm with the source before you rely on it.
- City of Midland Permit Fee Listing (7/1/2025) and PV permit forms Read Oct 23, 2026. Confirm with the source before you rely on it.
- Mich. Admin. Code R. 408.30801 (Cornell LII) Read Oct 23, 2026.
- LARA Bureau of Construction Codes: Code Books Read Oct 23, 2026.
- MCL 339.5737 (legislature.mi.gov) Read Oct 23, 2026.
- LARA BCC-339 Electrical Permit Application (Wayback copy 2025-11-06) Read Oct 23, 2026.
- IRS FAQs on OBBB changes to 25C, 25D (FS-2025-05) Read Oct 23, 2026.
- IRS: Residential Clean Energy Credit Read Oct 23, 2026.
- City of Kalamazoo, Solar PV System and Energy Storage System Permitting Checklist Read Oct 23, 2026.
- City of Grand Rapids Development Center, Solar Power Guide Read Oct 23, 2026.
- LARA Bureau of Construction Codes, Electrical Permit Application (BCC form) Read Oct 23, 2026.
- DTE Energy, Interconnection Process FAQ Read Oct 23, 2026. Confirm with the source before you rely on it.
- Consumers Energy, Standard Level 1, 2 and 3 Interconnection Agreement for projects up to 550 kW with certified equipment Read Oct 23, 2026.