Certasun LLC
Solar installer based in Buffalo Grove.
- License active
330 jobs on Chicago permits, 2021 to 2026: 263 solar installations, 37 panel upgrades, 30 EV charger installations. 5th 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 ECC95498, active in the city's records on Oct 2, 2026Electrical Contractor (General)We found this license by the business name. No other active license has that name. | Checks out |
| Jobs on record | 330 jobs on Chicago permits, 2021 to 2026: 263 solar installations, 37 panel upgrades, 30 EV charger installationsThey are based in Buffalo Grove. Work outside Chicago is not in these records.5th most solar system permits of 69 contractors in Chicago. That counts jobs, not quality.Our Chicago permit records cover September 2021 to September 2026.Of their 263 solar system permits, 4 mention a battery. |
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 $29,872 (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
73 jobs in the last 12 months, down from 98 the year before
Jobs by kind of work
Latest jobs
Permit values are what the contractor wrote on the permit form, not what the owner paid.
| Date | Work | On the permit form |
|---|---|---|
| Sep 10, 2026 | Panel upgrade | $1,400 |
| Sep 10, 2026 | EV charger | $1,400 |
| Aug 24, 2026 | Solar, 3.15 kW | $4,128 |
| Aug 24, 2026 | Panel upgrade | $2,195 |
| Aug 24, 2026 | EV charger | $2,195 |
| Aug 5, 2026 | Solar, 11.5 kW | $65,962 |
| Jul 29, 2026 | Panel upgrade | $1,435 |
| Jul 29, 2026 | EV charger | $1,435 |
| Jul 24, 2026 | Solar, 11.5 kW | $37,502 |
| Jul 17, 2026 | Solar, 10 kW | $52,546 |
| Jul 17, 2026 | Solar, 10 kW | $52,546 |
| Jul 17, 2026 | Solar, 8.36 kW | $35,255 |
| Jul 17, 2026 | Solar, 8.36 kW | $34,812 |
| Jun 29, 2026 | Solar, 11.5 kW | $36,279 |
| Jun 29, 2026 | Solar, 11.5 kW | $36,279 |
| Jun 29, 2026 | Solar, 7.6 kW | $31,920 |
| Jun 23, 2026 | Panel upgrade | $2,000 |
| Jun 23, 2026 | EV charger | $2,000 |
| Jun 2, 2026 | Solar, 10 kW | $40,000 |
| May 19, 2026 | Panel upgrade | $17,500 |
| May 4, 2026 | Panel upgrade | $2,000 |
| May 4, 2026 | EV charger | $2,000 |
| May 4, 2026 | Solar, 11.5 kW | $30,000 |
| Apr 15, 2026 | Panel upgrade | $2,035 |
| Apr 15, 2026 | EV charger | $2,035 |
| Apr 13, 2026 | Solar, 9.12 kW | $36,000 |
| Apr 13, 2026 | Solar, 3.42 kW | $16,000 |
| Mar 25, 2026 | Solar, 11.5 kW | $20,000 |
| Mar 25, 2026 | Solar, 11.5 kW | $25,000 |
| Mar 18, 2026 | Solar, 10 kW | $33,566 |
| Mar 6, 2026 | Solar, 3.8 kW | $26,000 |
| Mar 6, 2026 | Solar, 2.66 kW | $1,000 |
| Feb 25, 2026 | Solar, 2.28 kW | $11,415 |
| Feb 25, 2026 | Solar, 5.32 kW | $21,382 |
| Feb 25, 2026 | Solar, 3.04 kW | $13,964 |
| Feb 20, 2026 | Panel upgrade | $1,400 |
| Feb 20, 2026 | EV charger | $1,400 |
| Feb 20, 2026 | Panel upgrade | $2,035 |
| Feb 20, 2026 | EV charger | $2,035 |
| Jan 16, 2026 | Solar, 6.84 kW | $1,000 |
What to ask before you hire
About Certasun LLC
- 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 Certasun LLC
Five quick questions. We pass your request to Certasun LLC.
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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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