Illustration · 132 cells

Solar panelNuuko Solar

Nuuko Solar NKM705N-132BDG12

Name: Nuuko Solar NKM705N-132BDG12
Brand: Nuuko Solar

132 cells, bifacial. Power classes 690–720 W in the CEC list.

CEC listed · Jul 21, 2025UL 61730Bifacial

Power class

Power (STC)705 WCEC nameplate
Efficiency≈22.7%calculated from area
%/°C Pmax−0.297CEC listing test
PTC / STC94.3%PTC 664 W (CEC)

Power classes

CEC PV Module List (Oct 7, 2026) · Cali-Graf calculation · 7 models

Model	Pmax	Voc, V	Isc, A	Vmp, V	Imp, A	Efficiency	PTC	CEC listed
NKM690N-132BDG12	690 W	48.08	18.26	40.17	17.18	≈22.2%	650 W	Jul 21, 2025
NKM695N-132BDG12	695 W	48.24	18.33	40.29	17.25	≈22.3%	655 W	Jul 21, 2025
NKM700N-132BDG12	700 W	48.40	18.40	40.41	17.33	≈22.5%	660 W	Jul 21, 2025
NKM705N-132BDG12	705 W	48.56	18.46	40.52	17.40	≈22.7%	664 W	Jul 21, 2025
NKM710N-132BDG12	710 W	48.73	18.53	40.64	17.47	≈22.8%	669 W	Jul 21, 2025
NKM715N-132BDG12	715 W	48.88	18.60	40.76	17.54	≈23.0%	674 W	Jul 21, 2025
NKM720N-132BDG12	720 W	49.04	18.67	40.88	17.61	≈23.2%	679 W	Jul 21, 2025

≈ efficiency = Pmax ÷ CEC-listed area 3.11 m².

Heat & cold behaviour

CEC PV Module List (Oct 7, 2026) · Cali-Graf calculation

	CEC listing test
Pmax coefficient γ	−0.297 %/°C
Voc coefficient β	−0.256 %/°C
Isc coefficient α	+0.046 %/°C
Operating cell temperature	NOCT 46 °C

Vmp coefficient ≈ γ − α (CEC); used only for the hot-roof voltage estimate.

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
690 W	547.8 W	45.62 V × 12.01 A	—	—
695 W	580.8 W	45.8 V × 12.68 A	—	—
700 W	585.5 W	45.96 V × 12.74 A	—	—
705 W	590.5 W	46.13 V × 12.8 A	—	—
710 W	595.4 W	46.3 V × 12.86 A	—	—
715 W	600.3 W	46.46 V × 12.92 A	—	—
720 W	605.1 W	46.62 V × 12.98 A	—	—

Pmax = Vmp × Imp from the CEC listing; low-light efficiency = Pmax at 200 W/m² ÷ (20% of STC Pmax).

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)

CityColdest air, °CHottest cell, °CString inverter

51.4 V

Voc when cold

per panel

33.7 V

Vmp when hot

per panel

Max panels / string

max DC 600 V

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	2–11
Solis (Ginlong) S6-EH1P10K-H-US	600 V	80–520 V	datasheet	3–11
Solis (Ginlong) Solis-1P7.6K-4G-US	600 V	100–500 V	datasheet	3–11
Qcells Q.VOLT H7.6SX	498 V	234–498 V	CEC test window	7–9

Microinverters (one per panel)

No microinverter in the reference set lists this power class in its recommended module power range.

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

PanelsCity for chartSystem size

City	kWh / kW / yr	kWh / panel / yr	kWh / system / yr	Sun, kWh/m²/day
Los Angeles	1,676	1,182	11,816	6.08
Palmdale	1,835	1,294	12,937	6.69
Chula Vista	1,696	1,196	11,957	6.11
Huntington Beach	1,643	1,158	11,583	5.89
Riverside	1,696	1,196	11,957	6.21
Santa Clarita	1,724	1,215	12,154	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 705 W panels

CEC PV Module List (Oct 7, 2026) · datasheets · Kiwa PVEL Scorecard

Panel	Pmax	Efficiency	γ Pmax (CEC)	Voc, V	Isc, A	PVEL (product / brand)
Nuuko Solar NKM705N-132BDG12	705 W	≈22.7%	−0.297	48.56	18.46	—
Canadian Solar CS7N-705TB-AG	705 W	≈22.7%	−0.285	48.1	18.54	product 2024
Phono Solar PS705M13GFH-22/WNH	705 W	≈22.9%	−0.291	48.8	18.14	brand 9× (2016–2026)
Waaree BiN-03-705	705 W	≥22.7%	−0.302	48.3	18.36	brand 5× (2022–2026)

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.

Questions & answers

How efficient is the Nuuko Solar NKM705N-132BDG12?

Calculated from the panel area (3.11 m²): about 22.7% for the 705 W class. 705 W over 3.11 m² equals about 227 W per square meter.

How much energy does one panel produce in Los Angeles or Palmdale?

PVWatts v8 with typical-year weather gives about 1,182 kWh per year per 705 W panel in Los Angeles and about 1,294 kWh in Palmdale (20° roof, facing south, 14% system losses).

How much power does it lose on a hot roof?

With γ = −0.297 %/°C, at a 77 °C cell temperature (hottest modeled hour in Palmdale) output is about 15.4% 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 2–11 panels per string (Voc at 2 °C = 51.4 V, Vmp at 74 °C cell = 33.7 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.

Sources

California Energy Commission — Solar Equipment Lists, PV Module List, Inverter List (snapshot Oct 7, 2026).
Canadian Solar — datasheet New N-type Bifacial Module TOPBiHiKu7 CS7N-725|730|735|740|745|750TB-AG.
Waaree — datasheet ELITE SERIES BiN-03.
Kiwa PVEL — PV Module Reliability Scorecard, Top Performer lists.
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 — Solis (Ginlong), Tesla (manufacturer documents).
Cali-Graf calculations — formulas and inputs are shown next to each calculated value (efficiency from area, temperature-corrected voltages, string sizing, energy estimates).