Updated: Jun 03, 2025
Location and Projects
Address
300 Montgomery St, San Francisco, CA, 94104
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Free Energy Systems Solar Contractor
Free Energy Systems at 300 Montgomery St, San Francisco, CA 94104, has a BuildZoom score of 97 and ranks in the top 18% of 336,931 California contractors.
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Free Energy Systems Contact Information
Phone Number: (800) 804-7948
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Address: 300 Montgomery St, San Francisco, CA 94104
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Free Energy Systems San Francisco
Quality
97
82nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Free Energy Systems has a BuildZoom score of 97, which places them above 82% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
1 project
|
2024 |
|
9 projects
|
2023 |
Our building permit records indicate that Free Energy Systems has worked on at least
11.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
8 projects
|
Solar installations |
Analyzing permits over the last 4 years shows that Free Energy Systems mostly works on
solar installation
projects.
Pricing
|
1 project
|
< $5k |
|
4 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
The typical size of their permits is approximately $12,818. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Photovoltaic roof mounted solar 6.56 kw 16 panasonic evervolt wbs evpv410h 410 watt panels (16) enphase iq8plus-72-2-us micro-inverters (one per module) (1) air conditioning enphase combiner box
Valuation:
$20,008
Permit #:
B23-1781
Status:
final
Fee:
$263
Permit Type:
N/A
Building Type:
N/A
5.18 kw residential rooftop solar system installation with (14) panasonic evervolt wbs evpv370 370 watt modules, (14) enphase iq8plus-72-2-us microinverters (one per module), (1) ac enphase combiner box xam1-120-b (880-00834) and everest crossrail mounting system
Valuation:
N/A
Permit #:
BLD2022-01094
Status:
Issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Sfd: install 5.180kw (14) grid-tied solar with microinverter incorporated into the photovoltaic system and (1) air conditioning enphase combiner box xam1-120-b
Valuation:
$13,250
Permit #:
BD-2021-283086
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install a 9.38 kw photovoltaic solar system. 28 panasonic 335 28 solaredge p400 optimezers and 1 solaredge 7600 inverter
Valuation:
$26,400
Permit #:
BD-2020-275958
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential: limited review - electrical mechanical plumbing roof solar etc
2019-09-10
Residential roof mount photovoltaic solar system install location - primary residence system size - 7.37 kw dc current main amperage - 400a panel chanhe out - no (22) modules - panasonic vbhn335sa17 (22) microinverters - enphase iq7x - 96 - 2 - us (690.11 and 690.12 compliant) (n) photovoltaic only combiner box w (2) 20a photovoltaic breakers (e) 400a msp w 200a main breaker (n) 40a p... see more
Valuation:
$31,332
Permit #:
BLD19-03016
Status:
complete
Fee:
$197
Permit Type:
Alteration
Building Type:
N/A
Residential: limited review - electrical mechanical plumbing roof solar etc
2019-09-11
Install location: primary residence system output (kw): 4.02 kw dc current main amperage: 200a panel changeout: no (12) modules - panasonic 335 (vbhn335sa17) (12) optimizers - se p400 (1) inverter - se3800h-us (690.11 and 690.12 compliant) (e) 200a msp w (e) 125a derated main breaker - **field verify main breaker is existing* (n) 20a photovoltaic breaker racking - ironridge trenching ... see more
Valuation:
$17,085
Permit #:
BLD19-03661
Status:
complete
Fee:
$196
Permit Type:
Alteration
Building Type:
N/A
Install a 5.1kw photovoltaic solar system. 15 panasonic 340 panels 15 p400 optimizers 1 solaredge 5000 inverter and a nema 50 amp ev outlet
Valuation:
N/A
Permit #:
BLD2021-02387
Status:
complete
Fee:
$486
Permit Type:
N/A
Building Type:
N/A
Mpu upgrade like for like 125 amp max rated panel. panel and poa to remain in same location
Valuation:
N/A
Permit #:
E202208192018
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
2.64 rftop addition on photovoltaic 1 hd wave inverter 1 battery backup
Valuation:
$26,810
Permit #:
E2022-0200
Status:
plancheck
Fee:
$476
Permit Type:
Solar
Building Type:
N/A
11.84kw rooftop solar (32) modules (1) ess 17.1kwh
Valuation:
$52,060
Permit #:
BLD21-0669
Status:
approved
Fee:
$1,530
Permit Type:
Roof mounted
Building Type:
N/A
Addition 3.7 kw & 10 modules to exist roof mounted photovoltaic system
Valuation:
N/A
Permit #:
B22-0885
Status:
final
Fee:
N/A
Permit Type:
Solar
Building Type:
N/A
8.88 kw residential rooftop solar system install
Valuation:
$26,080
Permit #:
B21-2224
Status:
final
Fee:
$326
Permit Type:
Residential
Building Type:
N/A
6.4 kw - 16 roof mounted photovoltaic solar modules w/combiner
Valuation:
N/A
Permit #:
B22-2667
Status:
approved
Fee:
N/A
Permit Type:
Solar
Building Type:
N/A
5.18 kw residential rooftop solar system install
Valuation:
$13,668
Permit #:
B21-2226
Status:
final
Fee:
$299
Permit Type:
N/A
Building Type:
N/A
8.51 kw roof mounted photovoltaic system 23 modules
Valuation:
N/A
Permit #:
B22-1352
Status:
final
Fee:
N/A
Permit Type:
Solar
Building Type:
N/A
Install 13.32 kw 36 panel photovoltaic system n sub
Valuation:
N/A
Permit #:
B22-0827
Status:
final
Fee:
N/A
Permit Type:
Solar
Building Type:
N/A
4.4 kw residential rooftop solar installation
Valuation:
$11,220
Permit #:
E2022-0187
Status:
final
Fee:
$558
Permit Type:
Solar
Building Type:
N/A
7.6 kw rooftop solar installation
Valuation:
$20,140
Permit #:
2206-0334
Status:
issued
Fee:
$253
Permit Type:
Roof mount solar ...
Building Type:
N/A
Installation of a roof mounted photovoltaic system with 9.9kw and (30) panasonic 330w modules (30) solaredge p400 power optimizers (1) solaredge 7.6kw inverter (se7600h-us). ******in wui************
Valuation:
N/A
Permit #:
BLD2019-03201
Status:
complete
Fee:
$288
Permit Type:
N/A
Building Type:
N/A
Install 4.29kw roof mounted photovoltaic system with 13 panasonic 330w modules (13) solaredge p400 power optimizers (1) solaredge 6 kw inverter
Valuation:
N/A
Permit #:
BLD2019-04824
Status:
complete
Fee:
$283
Permit Type:
N/A
Building Type:
N/A
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Free Energy Systems Reviews
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Recent Buildzoom Projects
Free Energy Systems License info
License Not Required
| Status | Not Required |
- BuildZoom verified in May, 2024 that this contractor does not need a license to be a contractor in California.
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
183
Permits
- Building permit records show that Free Energy Systems has worked on 183 permitted projects.