Updated: Jun 10, 2026
Location and Projects
Address
1240 E Washington Ave, Madison, WI, 53562
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Next Energy Solar Contractor
Next Energy LLC, 1240 E Washington Ave, Madison, WI (Owned by: Mark Henry O Neal) holds a Dwelling Contractor, Regular, False license and 1 other license according to the Wisconsin Rapids license board.
Their BuildZoom score of 108 ranks in the top 5% of 94,017 Wisconsin licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Next Energy LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Next Energy LLC Contact Information
Phone Number: (608) 284-9495
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Address: 1240 E Washington Ave, Madison, WI 53562
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Next Energy LLC Madison
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Next Energy LLC has a BuildZoom score of 108, which places them above 95% of 94,017 contractors in Wisconsin.
Activity
|
1 project
|
2026 |
|
70 projects
|
2025 |
|
51 projects
|
2024 |
|
20 projects
|
2023 |
Our building permit records indicate that Next Energy LLC has worked on at least
142.0 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
|
9 projects
|
Home Additions |
|
139 projects
|
Solar installations |
Analyzing permits over the last 4 years shows that Next Energy LLC mostly works on
solar installation
and home addition
projects.
Pricing
|
11 projects
|
< $5k |
|
68 projects
|
$5k-$20k |
|
33 projects
|
$20k-$50k |
|
11 projects
|
$50k-$100k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $16,711. 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.
Ballasted rooftop solar photovoltaic installation. 225 panels
Valuation:
$258,280
Permit #:
BLDNCC-2025-07536
Status:
issued
Fee:
$146
Permit Type:
New addition
Building Type:
N/A
Installation of 14 panel 6.2kw dc 4.93kw air conditioning solar photovoltaic system on rooftop of residence. no structural modifications required
Valuation:
$13,139
Permit #:
BLDNRC-2025-00740
Status:
complete
Fee:
$46
Permit Type:
N/A
Building Type:
Single family
Installation of 16 panel 5.8 kw dc 4.64 kw air conditioning solar photovoltaic system on rooftop of residence. no structural modifications required
Valuation:
$13,000
Permit #:
BLDNRC-2025-00619
Status:
complete
Fee:
$46
Permit Type:
N/A
Building Type:
Single family
Installation of a 40kw rooftop solar photovoltaic system consisting of 69 jinko 580 watt modules
Valuation:
$96,400
Permit #:
BLDNCC-2025-09434
Status:
complete
Fee:
$146
Permit Type:
Addition & altera...
Building Type:
N/A
Installation of a 16 panel 5.8 kw dc solar photovoltaic system on the rooftop of the residence. no structural modifications required
Valuation:
$17,790
Permit #:
BLDNRC-2025-03241
Status:
complete
Fee:
$46
Permit Type:
N/A
Building Type:
Single family
Installation of a 12 panel 4.38kw dc solar photovoltaic system on rooftop of residence. no structural modifications required
Valuation:
$18,460
Permit #:
BLDNRC-2025-02697
Status:
complete
Fee:
$46
Permit Type:
N/A
Building Type:
Single family
Installation of a 16 panel 6.9kw dc solar photovoltaic system on rooftop of residence. no structural modifications required
Valuation:
$23,385
Permit #:
BLDNRC-2025-00932
Status:
complete
Fee:
$46
Permit Type:
N/A
Building Type:
Single family
Installation of 30.16 kw rooftop ballasted solar photovoltaic system consisting of 52 jinko 580 watt modules
Valuation:
$72,600
Permit #:
BLDNCC-2025-09430
Status:
complete
Fee:
$146
Permit Type:
Addition & altera...
Building Type:
N/A
Installation of 13 panel 5.0 kw dc solar photovoltaic system on rooftop of residence. no structural modifications required
Valuation:
$17,358
Permit #:
BLDNRC-2025-02232
Status:
complete
Fee:
$46
Permit Type:
N/A
Building Type:
N/A
Installation of 17 panel 6.9 kw solar photovoltaic system on rooftop of residence. no structural modifications required electric service upgrade: 100a to 200a replace existing electric panels with 200a panel relocate utility meter to exterior of building
Valuation:
$28,885
Permit #:
BLDNRC-2024-10713
Status:
complete
Fee:
$46
Permit Type:
N/A
Building Type:
Single family
Expansion of existing 2.030 kw dc solar photovoltaic system by 1.7 kw dc. addition 4 panels. no structural modifications required
Valuation:
$98,540
Permit #:
BLDNRC-2025-08326
Status:
complete
Fee:
$46
Permit Type:
N/A
Building Type:
Single family
Installation of a 10 panel 4.3 kw rooftop solar photovoltaic system. no structural modifications required
Valuation:
$18,115
Permit #:
BLDNRC-2025-00666
Status:
complete
Fee:
$46
Permit Type:
N/A
Building Type:
Single family
Installation of 8 panel 3.44 kw dc solar photovoltaic system on rooftop of residence and partial home backup. approved with 2 x 6 rafters
Valuation:
$22,400
Permit #:
BLDNRC-2025-07025
Status:
complete
Fee:
$46
Permit Type:
N/A
Building Type:
N/A
Installation of 10 panel 4.3 kw dc 2.9kw air conditioning photovoltaic system on rooftop of residence. no structural modifications required
Valuation:
$16,565
Permit #:
BLDNRC-2025-04046
Status:
complete
Fee:
$46
Permit Type:
N/A
Building Type:
Single family
Installation of 46 panel19.78kw photovoltaic system on rooftop of residence. no structural modifications required
Valuation:
$56,570
Permit #:
BLDNRC-2025-05151
Status:
complete
Fee:
$46
Permit Type:
N/A
Building Type:
Single family
Installation of 21 panel 9.0 kw dc photovoltaic system on the rooftop of the residence. no structural modifications required
Valuation:
$32,540
Permit #:
BLDNRC-2025-03721
Status:
complete
Fee:
$46
Permit Type:
N/A
Building Type:
Single family
Installation of 13 panel 4.7 kw dc solar photovoltaic system on the rooftop of residence. no structural modifications required
Valuation:
$16,065
Permit #:
BLDNRC-2025-05807
Status:
complete
Fee:
$46
Permit Type:
N/A
Building Type:
Single family
Installation of 17 panel 6.2 kw dc solar photovoltaic system on rooftop of residence. no structural modifications required
Valuation:
$19,175
Permit #:
BLDNRC-2025-08039
Status:
complete
Fee:
$46
Permit Type:
N/A
Building Type:
Single family
Installation of 15 panel 5.5 kw dc photovoltaic solar array on rooftop of residence. no structural modifications required
Valuation:
$19,345
Permit #:
BLDNRC-2025-07608
Status:
complete
Fee:
$46
Permit Type:
N/A
Building Type:
Single family
Installation of 10 panel 4.2 kw dc solar photovoltaic system on rooftop of residence. no structural modifications required
Valuation:
$15,592
Permit #:
BLDNRC-2025-04659
Status:
complete
Fee:
$46
Permit Type:
N/A
Building Type:
Single family
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Next Energy LLC Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Next Energy LLC License info
Verified License
| License # | 040800086 - DC |
| Status | Active |
| City | Wisconsin Rapids |
| Type | Dwelling Contractor, Regular, False |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Next Energy LLC at the City of Wisconsin Rapids.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1074469 |
| Status | Inactive |
| State | Wisconsin |
| Type | Dwelling Contractor |
- According to the Wisconsin Department of Safety and Professional Services, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Next Energy LLC at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
237
Permits
- Building permit records show that Next Energy LLC has worked on 237 permitted projects.
Next Energy LLC Employees
MN
Mark Henry O Neal
Owner