CEC PV Module List (Oct 7, 2026) · Cali-Graf calculation
CEC listing test
Voc coefficient β
−0.259 %/°C
Isc coefficient α
+0.035 %/°C
Operating cell temperature
NOCT 55.8 °C
Away from lab conditions — CEC listing test points
Class
Pmax at NOCT
Vmp × Imp at NOCT
Pmax at 200 W/m²
Low-light efficiency vs STC
95 W
68.3 W
7.09 V × 9.63 A
18.5 W
97%
100 W
71.9 W
7.17 V × 10.03 A
19.4 W
97%
Pmax = Vmp × Imp from the CEC listing; low-light efficiency = Pmax at 200 W/m² ÷ (20% of STC Pmax).
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
159
11,782
6.08
Palmdale
1,835
174
12,900
6.69
Chula Vista
1,696
161
11,923
6.11
Huntington Beach
1,643
156
11,550
5.89
Riverside
1,696
161
11,923
6.21
Santa Clarita
1,724
164
12,120
6.28
PVWatts models a standard roof-mounted module; integrated roof products are not modeled separately.
Estimate for comparison, not a quote: shading, roof orientation and local losses change real output. Roof mount, 20° tilt, south, 14% system losses.
Sources
California Energy Commission — Solar Equipment Lists, PV Module List (snapshot Oct 7, 2026).
NLR (formerly NREL) — PVWatts v8, NSRDB PSM v3 typical-year weather for Los Angeles, Palmdale, Chula Vista, Huntington Beach, Riverside, Santa Clarita.
Cali-Graf calculations — formulas and inputs are shown next to each calculated value (efficiency from area, temperature-corrected voltages, string sizing, energy estimates).
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