Windfree Wind + Solar Energy Design Company
Solar installer based in Chicago.
- License active
- Insurance and bond on file
232 solar system jobs on Chicago permits, 2021 to 2026. 6th most solar system permits of 69 contractors in Chicago.
What the public records show
From the city's license records and the city's permits, one question at a time.
| Question | Records show | Mark |
|---|---|---|
| Licensed? | License TGC083102, active in the city's records on Oct 2, 2026General Contractor (Class E)Class E lets them take jobs up to $500,000.We found this license by the business name. No other active license has that name. | Checks out |
| Insurance and bond? | Insurance and bond on file with the city, good until Aug 27, 2027The city requires both for this license. Ask for a copy of the insurance certificate. | On file |
| Jobs on record | 232 solar system jobs on Chicago permits, 2021 to 2026Every permit we have for them is solar system.6th most solar system permits of 69 contractors in Chicago. That counts jobs, not quality.Our Chicago permit records cover September 2021 to September 2026. |
Records: the city Department of Buildings and City of Chicago permits.
Cost and timing
All solar system jobs in Chicago: $11,000 to $25,000
Half of 9,206 city permits list an amount in this range. Permit amounts are often lower than what you pay.
How to read this range
Contractors write a job value on the permit form, and the city uses it to set the permit fee. It is not the contract price, and it is often lower than what you pay. A quarter of the permits list less than this range, and a quarter list more. Use it to see if a quote is in the normal range.
Permit value (not a price)
Their typical permit lists $23,706 (half list more, half less)
That is the figure written on the permit form, which can be far from what you pay. What solar system jobs cost in Chicago.
Get 2 or 3 written quotes.
Permit wait
Across Chicago, solar system permits usually take 8 days to be issued
Track record
60 jobs in the last 12 months, up from 52 the year before
Latest jobs
Permit values are what the contractor wrote on the permit form, not what the owner paid.
A row marked ×2 or more stands for that many similar jobs on one day in one ZIP code.
| Date | Work | On the permit form |
|---|---|---|
| Sep 8, 2026 | Solar, 3.42 kW | $28,336 |
| Sep 1, 2026 | Solar, 9.12 kW | $28,512 |
| Sep 1, 2026 | Solar, 9.12 kW | $28,512 |
| Sep 1, 2026 | Solar, 2.88 kW | $13,028 |
| Aug 5, 2026 | Solar, 4.48 kW | $23,714 |
| Aug 5, 2026 | Solar, 8.74 kW | $1,829 |
| Aug 5, 2026 | Solar, 6.46 kW | $21,542 |
| Aug 5, 2026 | Solar, 6.46 kW | $21,542 |
| Jul 20, 2026 | Solar, 7.6 kW | $24,816 |
| Jul 20, 2026 | Solar, 7.6 kW | $24,816 |
| Jul 20, 2026 | Solar, 4.18 kW | $14,326 |
| Jul 17, 2026 | Solar, 6.84 kW | $21,990 |
| Jul 17, 2026 | Solar, 7.2 kW | $23,324 |
| Jul 13, 2026 | Solar, 8.7 kW | $28,040 |
| Jul 13, 2026 | Solar (×2, same day), 3.8 kW | $13,464 each |
| Jul 1, 2026 | Solar, 3.8 kW | $13,244 |
| Jun 29, 2026 | Solar, 1.9 kW | $12,223 |
| Jun 8, 2026 | Solar, 3.84 kW | $16,420 |
| Jun 1, 2026 | Solar, 5.4 kW | $25,393 |
| May 29, 2026 | Solar, 7.6 kW | $25,370 |
| Mar 26, 2026 | Solar, 5.12 kW | $24,208 |
| Mar 15, 2026 | Solar, 6.4 kW | $19,380 |
| Mar 15, 2026 | Solar, 8.32 kW | $34,658 |
| Mar 15, 2026 | Solar, 8.32 kW | $34,658 |
| Mar 10, 2026 | Solar, 7.9 kW | $29,955 |
| Mar 5, 2026 | Solar, 8.64 kW | $34,416 |
| Mar 5, 2026 | Solar, 3.8 kW | $14,505 |
| Mar 5, 2026 | Solar, 3.2 kW | $13,665 |
| Mar 4, 2026 | Solar, 2.6 kW | $16,960 |
| Feb 3, 2026 | Solar, 8.64 kW | $34,416 |
| Feb 2, 2026 | Solar, 5.7 kW | $25,879 |
| Jan 12, 2026 | Solar, 6.5 kW | $22,910 |
| Jan 12, 2026 | Solar, 3.575 kW | $17,331 |
| Jan 8, 2026 | Solar, 5.2 kW | $19,380 |
| Dec 8, 2025 | Solar, 5.525 kW | $20,614 |
| Dec 8, 2025 | Solar, 9.425 kW | $39,920 |
| Dec 8, 2025 | Solar, 10.4 kW | $33,369 |
| Nov 20, 2025 | Solar, 70 kW | $192,000 |
| Nov 20, 2025 | Solar, 8.775 kW | $39,567 |
| Nov 10, 2025 | Solar, 3.825 kW | $14,385 |
What to ask before you hire
About Windfree Wind + Solar Energy Design Company
- Ask what the warranty covers and for how long, in writing.
- Search their name on the Better Business Bureau site, and read their reviews.
Worth asking any solar installer
- Can you show me proof of liability insurance and your bond?
- What size system, which panels and inverter, and what will it make in a year?
- Is my roof good for 25 more years, and what if it needs work first?
- Who handles the permit and the utility's approval to turn it on?
Get a quote from Windfree Wind + Solar Energy Design Company
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Your job room keeps the request, your photos and every reply in one place, with an assistant that checks prices against city permits. Keep its link: it is the key to your job.
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