CEC Grid Support Inverter List (Oct 7, 2026) · NLR SAM inverter library
CEC test DC voltages (min / nom / max)915 / 986 / 1,200 V
DC input at rated output (CEC test)808.5 kW
AC output (grid side)
CEC Grid Support Inverter List (Oct 7, 2026)
Rated AC power840 kW
CEC-measured continuous output796.5 kW
Grid voltage630 V
Phase3-phase 630 V
Efficiency
CEC Grid Support Inverter List (Oct 7, 2026) · NLR SAM inverter library
CEC weighted efficiency98.5%
Night-time standby (tare)76.93 W
Power to start converting2,180.9 W
CEC weighted efficiency is measured by an accredited lab at six power levels and three DC voltages — the number to compare between inverters.
Grid & smart-inverter certification
CEC Grid Support Inverter List (Oct 7, 2026)
UL 1741 SB (3rd ed.)Yes — CSA Group, certificate Feb 7, 2024
UL 1741 SA (SA8–SA13)No
Volt-VAr with reactive power priority (SA13)No
Freq-Watt / Volt-Watt (SA14–15)No
Disable permit service / limit active power (SA17–18)No
CSIP (IEEE 2030.5) conformanceNo
Monitor key data & scheduling (Rule 21 Phase 3)No
CEC listedJul 1, 2024
CEC noteEfficiency data inclusive of transformer effect based on 2500 kVA Liquid-Immersed Distribution Transformers table in DOE216.
UL 1741 SB is required for new interconnections in California (Rule 21) since 2026.
Panel compatibility & string sizing
NLR SAM inverter library · NLR PVWatts v8 · CEC PV Module List · Cali-Graf calculation
PVU-L0840URN: max DC 1,200 V · MPPT 915–1,200 V (CEC test window)
Most-permitted panels in Southern California
Panel
Power
Voc cold
Vmp hot
Panels per string
Installed together
Qcells Q.PEAK DUO BLK ML-G10.C+ 410
410 W
48.1 V
30.6 V
no fit
—
Qcells Q.PEAK DUO BLK ML-G10+ 410
410 W
48.1 V
30.6 V
no fit
—
LONGi LR5-54HABB-400M
400 W
39.3 V
25.3 V
no fit
—
JA Solar JAM54S31-405/MR
405 W
39.4 V
25.5 V
no fit
—
Hyundai Solutions HiN-T440NF(BK)
440 W
40.9 V
27 V
no fit
—
Silfab Solar SIL-440QD
440 W
41.1 V
28 V
no fit
—
Qcells Q.TRON BLK M-G2+ 430
430 W
41.3 V
28 V
no fit
—
Qcells Q.TRON BLK M-G2.H+ 430
430 W
41.3 V
28 V
no fit
—
REC Group REC460AA Pure-RX
460 W
68.8 V
47.1 V
no fit
—
Elin (Sirius PV) ELNSM54M-HC-410
410 W
39.3 V
25.3 V
no fit
—
Qcells Q.TRON BLK M-G2.C+ 430
430 W
41.3 V
28 V
no fit
—
Tesla TSP-420
420 W
43.4 V
27.7 V
no fit
—
Voltage check only, from CEC panel data and NLR weather for the city. Final design must follow the inverter manual and NEC 690.7.
About TMEIC
CEC Grid Support Inverter List (Oct 7, 2026)
ManufacturerTMEIC
Listed in CEC asTMEIC Corporation
Models on CEC lists2
Other series
PVU-LxxxxGR
Questions & answers
How efficient is the TMEIC PVU-LxxxxURN?
The California Energy Commission lists a weighted efficiency of 98.5% for TMEIC PVU-LxxxxURN models, measured at six power levels and three DC voltages.
Is the TMEIC PVU-LxxxxURN certified to UL 1741 SB?
Yes — the CEC Grid Support Inverter List shows UL 1741 SB for all models.
What is the PVU-L0840URN’s DC input voltage range?
CEC tested it at 915–1,200 V DC.
Sources
California Energy Commission — Grid Support Inverter List (solar and battery inverters), data as of Oct 7, 2026. Manufacturer-reported, confirmed by CEC against certificates and test reports.
NLR (formerly NREL) — System Advisor Model CEC inverter library (version 2026.7.3).
NLR (formerly NREL) — PVWatts v8, NSRDB PSM v3 typical-year weather for Los Angeles, Palmdale, Riverside, Santa Clarita, Chula Vista, Huntington Beach.
California Energy Commission — PV Module List (module electrical data for the compatibility check).
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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