Details describe the tested sample, not every module of the series.
RETC PV Module Index — SEG Solar
Year
Recognition
2023
High Achievement in Performance (LeTID RESISTANCE)
2024
Test Category High Achiever
Inverter compatibility & string sizing
CEC PV Module List (Oct 7, 2026) · Cali-Graf calculation · NLR PVWatts v8 · inverter datasheets · NLR SAM inverter library · CEC Grid Support Inverter List (Oct 7, 2026)
37.8 V
Voc when cold
per panel
24.7 V
Vmp when hot
per panel
15
Max panels / string
max DC 600 V
3
Min panels / string
MPPT from 60 V
Defaults come from NLR TMY weather (coldest hour, hottest modeled cell). Code calculations (NEC 690.7) use the ASHRAE extreme annual minimum, which is usually colder — enter it above. β is the CEC-measured coefficient; NEC 690.7 calculations use the datasheet value.
String inverters most named in SoCal permits
Inverter
Max DC input
MPPT
Window source
Panels per string
Tesla 1538000-xx-y
600 V
60–480 V
datasheet
3–15
Solis (Ginlong) S6-EH1P10K-H-US
600 V
80–520 V
datasheet
4–15
Solis (Ginlong) Solis-1P7.6K-4G-US
600 V
100–500 V
datasheet
5–15
Qcells Q.VOLT H7.6SX
498 V
234–498 V
CEC test window
10–13
Microinverters (one per panel)
Microinverter
Recommended module power
Max DC input
MPPT
Voc cold / Vmp hot
Check
DC/AC
Enphase IQ8X-80-M-US
320–540 W
79.5 V
43–60 V
37.8 / 24.7 V
✗ Not a match: module voltage below MPPT range
1.18
APsystems (Alt Power System) DS3-L
265–570 W
60 V
28–45 V
37.8 / 24.7 V
⚠ Works; below MPPT at peak heat
0.58
Enphase IQ8M-72-2-US
260–460 W
60 V
30–45 V
37.8 / 24.7 V
✗ Not a match: module voltage below MPPT range
1.38
Enphase IQ8A-72-2-US
295–500 W
60 V
32–45 V
37.8 / 24.7 V
✗ Not a match: module voltage below MPPT range
1.29
Voltage check against the microinverter datasheets — confirm the pairing on the manufacturer’s module compatibility list. Rows appear only when the panel’s power is inside the microinverter’s recommended module power range.
SolarEdge and other optimizer-based systems size strings by the optimizer rules — use the manufacturer’s designer. Reference inverters: most named in SoCal permits since Oct 2024.
Expected production in Southern California
NLR PVWatts v8 · Cali-Graf calculation
City
kWh / kW / yr
kWh / panel / yr
kWh / system / yr
Sun, kWh/m²/day
Los Angeles
1,676
754
12,067
6.08
Palmdale
1,835
826
13,212
6.69
Chula Vista
1,696
763
12,211
6.11
Huntington Beach
1,643
739
11,830
5.89
Riverside
1,696
763
12,211
6.21
Santa Clarita
1,724
776
12,413
6.28
Estimate for comparison, not a quote: shading, roof orientation and local losses change real output. Roof mount, 20° tilt, south, 14% system losses.
Compare with similar 450 W panels
CEC PV Module List (Oct 7, 2026) · datasheets · Kiwa PVEL Scorecard · building permits
Panel
Pmax
Efficiency
γ Pmax (CEC)
Voc, V
Isc, A
PVEL (product / brand)
SoCal permits (series)
SEG Solar SEG-450-BTE-BG
450 W
≈23.3%
−0.290
35.82
15.9
product 2025, 2026
—
Qcells Q.TRON BLK M-G2+ 445
445 W
≈22.8%
−0.276
40.16
13.98
brand 11× (2016–2026)
40
Hyundai Energy Solutions HiN-T450NF(BK)
450 W
≈23.2%
−0.298
39.2
14.53
brand 5× (2017–2025)
37
REC Group REC450AA Pure-RX
450 W
≈22.3%
−0.248
65.1
8.81
brand 9× (2016–2025)
33
Same fields from the same sources for every row; ≈ efficiency is calculated from the listed area. Comparable series: other brands, same product group, power range covering this class.
About SEG Solar
CEC PV Module List (Oct 7, 2026) · Kiwa PVEL Scorecard · RETC PV Module Index · building permits
Calculated from the panel area (1.93 m²): about 23.3% for the 450 W class. 450 W over 1.93 m² equals about 233 W per square meter.
How much energy does one panel produce in Los Angeles or Palmdale?
PVWatts v8 with typical-year weather gives about 754 kWh per year per 450 W panel in Los Angeles and about 826 kWh in Palmdale (20° roof, facing south, 14% system losses).
How much power does it lose on a hot roof?
With γ = −0.290 %/°C, at a 77 °C cell temperature (hottest modeled hour in Palmdale) output is about 15% below the STC rating.
How many panels fit on one string?
With the Tesla 1538000-xx-y (max DC 600 V, MPPT from 60 V, datasheet) in Los Angeles the calculator gives 3–15 panels per string (Voc at 2 °C = 37.8 V, Vmp at 74 °C cell = 24.7 V). Final design must follow the inverter manual and NEC 690.7.
Is it bifacial?
Yes. Rear gain depends on mounting height and ground reflectance.
Has this panel been reliability-tested?
SEG-xxx-BTE-BG was a PVEL Top Performer in 2025, 2026 (DH, HSS, LID+LETID, MSS, PID, TC).
Sources
California Energy Commission — Solar Equipment Lists, PV Module List, Inverter List (snapshot Oct 7, 2026).
Qcells — manufacturer datasheet “Q.TRON BLK M-G2+ SERIES 415–440 Wp”.
NLR (formerly NREL) — System Advisor Model CEC module and inverter libraries (version 2026.7.3).
NLR (formerly NREL) — PVWatts v8, NSRDB PSM v3 typical-year weather for Los Angeles, Palmdale, Chula Vista, Huntington Beach, Riverside, Santa Clarita.
Inverter datasheets — APsystems (Alt Power System), Enphase, Solis (Ginlong), Tesla (manufacturer documents).
Building permits — Southern California permit portals. Equipment matched from permit descriptions.
Cali-Graf calculations — formulas and inputs are shown next to each calculated value (efficiency from area, temperature-corrected voltages, string sizing, energy estimates).
Get your free estimate
Three fields, and Cali Energy calls back within 30 minutes during business hours.
Thanks!
We got your request and will call back within 30 minutes during business hours.
