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diy solar

Sizing, Planning, Codes and Regulations

Energy Audits, Roof Planning, NEC, Local Ordinances, TOU Plans and more!
HighTechLab
  • Sticky
Free NEC Access!
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9
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6K
WorldwideDave
WorldwideDave
B
Physically Disbursed System
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0
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27
bbstanfield
B
skyking1
Let's get my system built this weekend, on paper!!
2
Replies
39
Views
658
skyking1
skyking1
R
EG4 18kPV whole house back-up with no sell back wiring assistance
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18
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303
Chuck E.
C
D
Need help in finding a affordable NEMA 3r 200 Amp visible disconnect
2
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45
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734
Mike 134
M
E
Is ComEd (Illinois) Net Metering worth it?
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4
Views
73
Everyone
E
F
Siemens W0202MB1200CU 200 Amp Outdoor Circuit Breaker Enclosure
Replies
9
Views
96
fsfchou
F
S
Solar carport made out of reclaimed materials, county wants stamps
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9
Views
173
shadetree
S
T
Flexboss/Gridboss versus 18kpv
2
Replies
28
Views
605
Quattrohead
Quattrohead
Jon22896
Smallest System Capable of Running a 120v 8A Water Transfer Pump
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6
Views
76
DIYrich
D
C
AC Power Conduit to Pedestal for NEMA 14-50 Car Charger
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0
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51
ChrisG
C
0
Solar Panel Wiring
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11
Views
174
robbob2112
robbob2112
P
EG4 Flexboss/Gridboss 20.8KW w/ Battery Backup plans review
Replies
10
Views
151
mciholas
M
misaloveyou
this is confusing
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6
Views
152
misaloveyou
misaloveyou
lukes05
location of solar disconnect
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8
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1K
Hedges
Hedges
superchachi
Max Number of Conext MPPT in a Schneider PDP?
Replies
3
Views
92
400bird
4
C
Fine stranded round copper braid bending radius rule?
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1
Views
83
robbob2112
robbob2112
L
Inverter sizing belgium
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1
Views
64
VERLICHT
V
Swgraham2
Two cables crimped in one lug?
2 3
Replies
59
Views
7K
robbob2112
robbob2112
J
Another Victron vs EG4 vs Samlex Debate...
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14
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228
Madcodger
M
D
Washington code compliance for roof/wall panels instal
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1
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62
Citlalatonac
Citlalatonac
garetwo
DC Over voltage from array protection
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6
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103
garetwo
garetwo
rebelrider.mike
How much of the NEC applies to portable solar arrays?
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5
Views
679
sochankoow
S
D
Seeking Advice: Planning a Solar-Integrated Pergola/Patio Cover for South-Facing Wall
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5
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165
fatjay
fatjay
M
Layout of 2 (two) 18Kpv's with 3 (three) LL4 battery Racks
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2
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70
mikeSCNM
M
M
Solar panels as roof
Replies
16
Views
958
OffGridForGood
OffGridForGood
K
Will EG4 6000XP communicate with these batteries?
Replies
4
Views
92
Adam De Lay
Adam De Lay
rendrag
21kW System: Fixed Roof Mount vs Ground Mount w/Adjustable Tilt - Wooded Property
Replies
9
Views
182
shadowmaker
shadowmaker
R
RV total wattage needs calculate run time
Replies
10
Views
156
RVsolargen
R
doc3g
conduit planning
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11
Views
349
Solar Guppy
Solar Guppy
P
Panel String Connection Suggestions?
Replies
4
Views
92
PSU_Crash
P
S
Lithium battery bank size for 3500 Watts
Replies
16
Views
281
Mattb4
Mattb4
aaron1rosenbaum
Derating incoming service - Norcal/PGE
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0
Views
51
aaron1rosenbaum
aaron1rosenbaum
W
Conduit grounding question
Replies
1
Views
101
walaby
W
D
Wish you did it better?
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6
Views
162
Dominic
D
M
Second opinion on sizing solar setup
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2
Views
86
mrfry
M
C
Transitioning from a semi-flush all in one to 2" conduit to a GridBOSS
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3
Views
74
CleotisBrown
C
R
Panel wiring sizes
Replies
7
Views
109
Radman73
R
N
Wiring diagram for 2 parallel inverters
Replies
11
Views
2K
rickeyleee
R
misaloveyou
Help me
Replies
2
Views
79
robbob2112
robbob2112
fatjay
Rear setback calculation - Site plan
Replies
7
Views
108
Skypower
S
S
Residential system design check
Replies
1
Views
162
glandpuck
G
SaveEnergy
Ground mount vs No mount
6 7 8
Replies
189
Views
4K
SaveEnergy
SaveEnergy
SaveEnergy
Wiring help
Replies
5
Views
138
SaveEnergy
SaveEnergy
6
Electrician to sign off installation of HVAC
Replies
8
Views
265
OffGridForGood
OffGridForGood
doc3g
Microinverter line diagram help
Replies
17
Views
395
doc3g
doc3g
M
Array Configuration Sanity Check
Replies
9
Views
179
Brucey
Brucey
troglegs
Using Heterogeneous Gear? Magnum and Xantrex?
Replies
1
Views
68
troglegs
troglegs
R
Planning solar setup
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2
Views
107
OffGridForGood
OffGridForGood
B
General Ideas and Electrical Planning
Replies
8
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175
Banjoman
B
misaloveyou
can someone explain to me?????
Replies
5
Views
164
misaloveyou
misaloveyou
S
Need Help Sizing Solar System
Replies
6
Views
483
5150paul
5
H
SoCal, SCE Requiring Contractor
Replies
6
Views
183
zanydroid
Z
C
See any AHJ issues with Sol-Ark 15K and 4 x Pytes V5 batteries in outdoor V-box?
Replies
5
Views
181
Captain Kirk
C
T
Flood planes, setbacks, and variances
Replies
17
Views
530
tonyandjill
T
E
Final plan review and some questions.
Replies
3
Views
238
sumpower
S
SaveEnergy
Proper Cable for SunPower w/microinverter installed
Replies
13
Views
214
Solar Guppy
Solar Guppy
SaveEnergy
Utility meter interconnect upgrade cost for Solar Netmetering
2 3
Replies
53
Views
905
SaveEnergy
SaveEnergy
K
Victron Smart Battery System 24v (for now). What size Megafuses and T fuse
Replies
6
Views
232
saggys
saggys
misaloveyou
help mee:((
Replies
6
Views
190
sumpower
S
FilterGuy
Stand Alone Solar Arc-fault protection devices.
5 6 7
Replies
151
Views
18K
powerless
P
C
Old Morningstar sizing calculator
Replies
2
Views
84
cn670
C
H
system sizing and panel selection-help please
Replies
7
Views
272
Hungfish
H
P
New Solar Systems in California summaries?
2
Replies
35
Views
1K
GRMRC
G
doc3g
Ground mount with roof racking system able to pass permitting/inspection?
2
Replies
31
Views
655
doc3g
doc3g
C
Tying EG4 GridBOSS into a Combo meter panel
Replies
4
Views
210
zanydroid
Z
T
Looking for sizing and component wisdom
2 3
Replies
60
Views
3K
GABRIEL82S
GABRIEL82S
G
Ground mount wire gauge 300' run
Replies
16
Views
371
Zwy
Zwy
P
California Rapid Shutdown Requirements
2
Replies
30
Views
1K
Hedges
Hedges
B
CA PG&E Solark 15k nem 3.0 and permitting questions
Replies
5
Views
224
beastman
B
F
Design review request for ground mount grid-tied system
Replies
9
Views
441
zanydroid
Z
F
Suggestions and do I need a permit - off grid/ground mount
Replies
13
Views
519
ManKzin
M
P
Advice needed: Solar panels & batteries remote from ATS, gen & utility
Replies
5
Views
395
Paul351W
P
K
Do These Schematics Look Correct?
Replies
7
Views
174
Quattrohead
Quattrohead
D
Looking for a bit of guidance on off grid system.
Replies
13
Views
275
wheelman55
W
E
EcoFlow Delta Pro Solar Panel Sizing
Replies
6
Views
260
Dagoth Ur Does Solar
Dagoth Ur Does Solar
doc3g
Small Starter system planning, trying to do things right the first time
Replies
2
Views
130
doc3g
doc3g
M
Using Different wiring sizes?
Replies
10
Views
215
ManKzin
M
D
Inverter Detaching from Grid - Wide voltage differential between L1 and L2
Replies
22
Views
1K
DIYrich
D
SaveEnergy
Easy way to be grid tied and off grid same time for netmetering?
2 3
Replies
57
Views
1K
Eber
E
Brett V
Solar Engineering Course Free
Replies
5
Views
2K
Vens34
Vens34
0
3 Rails under Solar Panels
2
Replies
25
Views
571
robbob2112
robbob2112
6
Meter pack okay w/o fused disconnect? Or still need?
Replies
4
Views
86
Hedges
Hedges
M
PV disconnect per regulations
Replies
2
Views
616
MPPT Mike
M
KF3K
Should I comment on my AHJ adopting NEC2024?
Replies
21
Views
654
mciholas
M
liamlunchtray
Victron MPPT Selection for new RV install
Replies
10
Views
477
sunshine_eggo
sunshine_eggo
U
Sizing guides for 24/7 crypto mining?
Replies
24
Views
575
usao
U
Hedges
Uplift calculation due to wind, roofmount panels
Replies
1
Views
857
GLW4
G
J
Very large off-grid planning considerations - timing
2 3 4
Replies
89
Views
4K
Brucey
Brucey
F
Hybrid system with full home backup for two structures each with 200A service
Replies
3
Views
175
1201
1201
M
Can someone double check my Chicken Coop plan?
Replies
17
Views
916
BatteryBuff
B
S
Whole home UPS
2
Replies
37
Views
2K
Solar_newb
S
E
Codes and regulations in Mecklenburg county, North Carolina
Replies
11
Views
405
EnergyIndependentIan
E
0
3 Rails under Solar Panels
Replies
1
Views
114
SeaGal
SeaGal
T
Panel setback on roof of non dwelling
Replies
11
Views
408
tonyandjill
T
iOne
Reroofing: is a code upgrade required?
Replies
10
Views
236
Solar Guppy
Solar Guppy
F
What Pmax from a bifacial panel is used in calculating array sizing?
Replies
0
Views
155
Forza458
F
F
Sol-Ark Inverter and Utility/Government Compliance and Approvals
Replies
11
Views
492
Cmiller
C
M
DIY solar for small cabin
Replies
7
Views
286
Rednecktek
Rednecktek
K
Deye
Replies
7
Views
258
Kyaw Thu
K
NordicNerd
For Canadians in Ontario CSA 22.2 107.1-16 vs. UL1741
Replies
1
Views
231
Grimey
G
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