Updated: Feb 22, 2025
Location and Projects
Address
209 RIVER ROAD EXT, Cos Cob, CT, 06807
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Greenwich Power Systems Construction
Greenwich Power Systems, LLC provides standby generator installation and service throughout Fairfield and Westchester Counties, with a focus on Cos Cob, Greenwich, and surrounding areas in Connecticut and New York. The company specializes in the complete installation, repair, and maintenance of residential and commercial backup power systems, including automatic standby generators from major brands such as Generac and Kohler. Their portfolio includes projects for single-family homes, large estates, and businesses seeking reliable power solutions. Greenwich Power Systems handles all aspects of generator projects, from site evaluation and system sizing to permitting, installation, and ongoing service. With an in-house team of licensed electricians and factory-trained technicians, the firm emphasizes expert system integration with existing electrical and fuel systems. Greenwich Power Systems is an authorized dealer for multiple generator manufacturers and provides 24/7 emergency support to address power outages and generator issues for its clients.
Greenwich Power Systems, LLC Services
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Greenwich Power Systems, LLC Contact Information
Address: 209 RIVER ROAD EXT, Cos Cob, CT 06807
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Building Permits by Greenwich Power Systems, LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
1-1/4 & 1 black iron piping from gas main in garage through garage to exterior and piped to generator
Valuation:
$1,500
Permit #:
P-22-154
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family
Install new generac 24kw generator natural gas fueled
Valuation:
$15,825
Permit #:
B-22-544
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new natural gas fueled generac 24kw generator
Valuation:
$16,075
Permit #:
B-22-586
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install a new natural gas fueled kohler 20resc generator on appropriately raised platform on left back side of home
Valuation:
$13,777
Permit #:
TB-20-771
Status:
filed
Fee:
$211
Permit Type:
Generators
Building Type:
Single family
Install a lp fueled generac 22kw generator on right side rear of home *12/20/2019 reverted for approval of relocation of propane tanks*
Valuation:
$12,195
Permit #:
B-19-1432
Status:
issued
Fee:
$197
Permit Type:
Generators
Building Type:
Single family
Install new generac 22kw standby generator on right side of house approximately 5 feet from structure 8 each from electric meter and gas meter
Valuation:
$11,495
Permit #:
TB-18-1391
Status:
filed
Fee:
$184
Permit Type:
Generators
Building Type:
Single family
Install new 22kw generator on left side of home and lp gas tanks
Valuation:
$11,253
Permit #:
B-18-204
Status:
complete
Fee:
$184
Permit Type:
Generators
Building Type:
Single Family
Install new 22kw generac generator on left side of home.
Valuation:
$2,000
Permit #:
E-18-238
Status:
complete
Fee:
N/A
Permit Type:
Generators
Building Type:
Single Family
Install 22kw generac generator powered by liquid propane. install two lp tanks to power generator
Valuation:
$11,645
Permit #:
TB-18-2126
Status:
filed
Fee:
$184
Permit Type:
Generators
Building Type:
Single family
Install generator replace existing propane tank with new. fuel source lp
Valuation:
$11,895
Permit #:
B-21-811
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new generac 22kw standby generator on right side of house approximately 5 feet from structure, 8 ' each from electric meter and gas meter. powered by natural gas. this project will also require electrical and mechanical permits.
Valuation:
$11,495
Permit #:
B-18-1391
Status:
complete
Fee:
$184
Permit Type:
Generators
Building Type:
Single Family
Add 22x25 2 1/2 story addition to rear of house with 9x16 deck **4/8/16-reverted to add: basement level single story addition to rear 147sqft ****remove from scope 9x16 deck **original issued 11/9/15 *7/10/15 - tb-14-1146 made active per rdm needs pin change pin changed from tb-14-1146
Valuation:
$152,000
Permit #:
B-15-1359
Status:
complete
Fee:
$2,226
Permit Type:
Additions - Resid...
Building Type:
Single Family
Install new kohler 60kw generator and related transfer switch and 1k gal ug tank **application expiration notice e-mailed 3/16/2017** *approved by zb land use burea 5/12/17. reactived to get further approvals. w/b repinned at plan review per rdm. *the original pin number was tb-16-1184 6-29-2017 rdm*
Valuation:
$37,005
Permit #:
B-17-1241
Status:
complete
Fee:
$528
Permit Type:
Generators
Building Type:
Single Family
Install a new generac 24kw lp fueled generator
Valuation:
$12,995
Permit #:
B-21-1563
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install 22kw generac generator powered by liquid propane. install two new lp tanks to power generator. will need: electrical and plumbing or mechanical permit
Valuation:
$11,645
Permit #:
B-18-2126
Status:
complete
Fee:
$184
Permit Type:
Generators
Building Type:
Single family
Install new 22kw generac generator using natural gas as source of fuel this project will also require electrical and mechanical permits
Valuation:
$8,000
Permit #:
B-19-117
Status:
complete
Fee:
$131
Permit Type:
Generators
Building Type:
Single family
Install generator and propane tank
Valuation:
$15,000
Permit #:
B-21-893
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new generac 24kw generator ** source of power: natural gas** v.n -2.25.22
Valuation:
$15,325
Permit #:
B-22-213
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new generac 22kw generator using natural gas as fuel source
Valuation:
$1,800
Permit #:
E-19-74
Status:
complete
Fee:
$86
Permit Type:
Generators
Building Type:
Single family
Install 22kw generac standby generator powered by natural gas
Valuation:
$10,085
Permit #:
B-16-1953
Status:
complete
Fee:
$170
Permit Type:
Generators
Building Type:
Single Family
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Greenwich Power Systems, LLC License info
License Not Verified
| License # | HIC.0643689 |
| Status | Active |
| State | Connecticut |
| Type | Home Improvement Contractor |
- When BuildZoom last verified this license, it had an expiration date of March, 2024. Check the current license status of Greenwich Power Systems, LLC with the Connecticut Department of Consumer Protection
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
21
Permits
- Building permit records show that Greenwich Power Systems, LLC has worked on 21 permitted projects.