Green Grid Technologies dba
Solar installer working in Boulder.
- Boulder publishes no contractor license list we can check
72 jobs on Boulder permits, 2021 to 2026: 65 solar installations, 4 panel upgrades, 3 EV charger installations. 8th most solar system permits of 68 contractors in Boulder.
What the public records show
From the city's permits, one question at a time.
| Question | Records show | Mark |
|---|---|---|
| Licensed? | Boulder publishes no contractor license list we can checkThat says nothing about this business either way. | Ask them |
| Jobs on record | 72 jobs on Boulder permits, 2021 to 2026: 65 solar installations, 4 panel upgrades, 3 EV charger installations8th most solar system permits of 68 contractors in Boulder. That counts jobs, not quality.Our Boulder permit records cover September 2021 to September 2026.Of their 65 solar system permits, 46 mention a battery. |
Records: City of Boulder permits.
Cost and timing
All solar system jobs in Boulder: $12,000 to $34,000
Half of 2,268 city permits list an amount in this range. Permit amounts are often lower than what you pay.
- Solar with a battery in Boulder: $24,000 to $47,000 (444 permits)
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 $43,497 (half list more, half less)
That is the figure written on the permit form, which can be far from what you pay. Over their last 12 months (19 permits) it was $32,492. What solar system jobs cost in Boulder.
Get 2 or 3 written quotes.
Track record
21 jobs in the last 12 months, up from 8 the year before
Where they work most
- 8030433 jobs
- 8030224 jobs
- 8030510 jobs
- 803032 jobs
- 803011 job
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 | ZIP | On the permit form |
|---|---|---|---|
| Sep 10, 2026 | Solar, 17.60 kW17.60kW Roof-mounted solar array with backup batteries | 80302 | $65,318 |
| Aug 6, 2026 | Solar, 2.20 kW2.20kW Roof-mounted residential solar array | 80305 | $11,162 |
| Jun 24, 2026 | Solar, 1.29 kW | 80302 | $7,524 |
| May 6, 2026 | Panel upgradeUpgrade electrical panel to 200A SPAN Smart panel and install SPAN EV Charger in garage | 80304 | $13,089 |
| May 6, 2026 | EV chargerUpgrade electrical panel to 200A SPAN Smart panel and install SPAN EV Charger in garage | 80304 | $13,089 |
| Mar 19, 2026 | SolarAdd battery backup to existing solar system (ELE2023-00948) (1) Tesla Powerwall 3 | 80305 | $18,812 |
| Feb 20, 2026 | SolarAdd (1) Tesla Powerwall 3 and (1) Expansion Battery backup to existing solar (PMT2011-04751-ELE) | 80304 | $31,934 |
| Feb 17, 2026 | SolarAdd (1) Tesla Powerwall 3 backup battery to existing solar system | 80305 | $17,052 |
| Feb 13, 2026 | Solar, 3.52 kW**One time 180-day permit extension granted | 80304 | $15,171 |
| Feb 9, 2026 | SolarAdd backup batteries to existing solar system (ELE2024-00026) | 80304 | $51,910 |
| Jan 20, 2026 | SolarAdd battery backup system to existing solar (ELE2020-01134) ***2/6/26*** Updates to conductor and… | 80304 | $32,492 |
| Dec 12, 2025 | SolarBackup battery for existing solar system | 80304 | $20,812 |
| Dec 9, 2025 | Solar, 5.59 kW5.59kW Roof-mounted residential solar system | 80302 | $16,770 |
| Nov 13, 2025 | Solar, 12.90 kW | 80304 | $41,719 |
| Nov 3, 2025 | Solar, 15.05 kW15.05kW Roof-mounted residential solar array ***REVISION 2/3/26-Updated combiner to 5C and all AC… | 80305 | $55,986 |
| Nov 3, 2025 | Solar, 10.12 kW**One time 180-day permit extension granted | 80302 | $40,075 |
| Oct 22, 2025 | Solar*2/19/2026 Revision - Rail Changed from using purlins to HD rail.* *12/23/25 REVISION- Added built… | 80304 | $44,238 |
| Oct 22, 2025 | Solar***REVISION 2/18/26-System size change to 34.50kWAC. Inverter changed to (3) Tesla Powerwall 3… | 80304 | $69,127 |
| Oct 22, 2025 | Solar*2/19/2026 Revision - Rail changed from purlins to HD rail.* *12/23/25 REVISION Added built up… | 80304 | $132,713 |
| Oct 22, 2025 | Solar***REVISION 2/18/2026-System size increased to 34.50kWAC. Inverter changed to (3) Tesla Powerwall 3… | 80304 | $170,065 |
| Oct 7, 2025 | Solar, 6.88 kW | 80305 | $18,351 |
| Sep 5, 2025 | Solar, 3.96 kW***REVISION 3/13/26-Updated to include only required warning labels. Install 3.96kW Roof-mounted… | 80304 | $31,315 |
| May 8, 2025 | Solar, 17.63 kW17.63kW Roof-mounted solar system with (3) Tesla powerwall 3 backup batteries | 80302 | $107,945 |
| Mar 11, 2025 | Solar, 16.77 kW16.77kW Roof Mounted solar PV system with (3) Tesla Powerwall 3 backup… | 80304 | $109,999 |
| Feb 13, 2025 | Solar, 15.91 kW15.91kW Roof-Mounted solar system | 80304 | $59,151 |
| Jan 8, 2025 | SolarAdd (2) Tesla Powerwall 3 backup batteries to existing solar | 80302 | $32,187 |
| Dec 16, 2024 | Solar, 21.42 kW21.42kW Roof-top solar system with (1) Tesla Powerwall 3 backup battery | 80305 | $103,838 |
| Nov 26, 2024 | Solar, 8.6 kW8.6kW Rooftop solar system with backup battery *8/1/2025 Revision - Updates to wire size,… | 80302 | $60,522 |
| Nov 13, 2024 | Solar, 2.58 kW2.58kW DC Roof mounted solar system with backup batteries LAC HIS2024-00249 | 80302 | $44,726 |
| Sep 12, 2024 | Solar, 14.19 kW14.19kW Roof mounted solar PV system | 80302 | $58,073 |
| Aug 8, 2024 | Solar11.20kWDC PV Solar System, 28 roof-mounted modules | Not listed | $52,865 |
| Aug 1, 2024 | Solar**9/20/24** Edit to Scope of work to add: one line to show correct wire connection for the… | 80302 | $31,187 |
| Jul 29, 2024 | Solar1.2kWDC Roof-mounted solar PV system | 80302 | $8,316 |
| Jul 10, 2024 | SolarAdd battery backup to solar system | 80304 | $62,984 |
| Jul 10, 2024 | Solar, 7.56 kW21kWDC roof-mounted PV Solar system 50 modules | 80302 | $92,274 |
| Jul 2, 2024 | Solar***8/12/2024*** Adjustments made to location and equipment. Add backup battery to existing solar… | 80302 | $30,667 |
| May 15, 2024 | SolarRoof-mounted solar system 6.72kWDC with (2) Tesla Powerwall 3 batteries ***8/14/24*** Updates to… | 80304 | $63,419 |
| May 14, 2024 | Solar, 4.0 kWAdditional 4.0kW roof-mounted system with (2) Tesla Powerwall 3 batteries | 80302 | $50,583 |
| Apr 5, 2024 | Solar39.600 kWDC, 34.551 kWAC Roof Mounted PV Solar System | 80304 | $184,777 |
| Jan 26, 2024 | Solar, 16.0 kWInstallation of 16.0kW DC PV roof-mounted PV solar system | 80304 | $50,720 |
What to ask before you hire
About Green Grid Technologies dba
- Ask for their license number and check it with the state.
- 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 Green Grid Technologies dba
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