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Sunova Brand review

TS-BBT78(625)

625 Wp N-type Bifacial 80%
ComparePV verdict

Light for its output, needs the roof space

Rank 2,365 of 14,005
Compare panels Datasheet PDF
Power (Wp)
625
Typical for its class
Efficiency (%)
22.40
Typical · median 22.77%
Density (Wp/m²)
223.6
Weak · bottom 22%
Temp (%/°C)
-0.290
Typical · median -0.290
Weight (kg)
29.0
Strong · 3.5 kg below median
Warranty (yrs)
30
Typical · median 30 yrs

The Sunova TS-BBT78 series consists of advanced modules based on N-type TOPCon technology, which redefine efficiency standards in utility-scale installations. Thanks to the use of Bifacial Double Glass design, these panels effectively utilize light reflected from the ground, significantly increasing the total energy yield compared to traditional monofacial solutions. A key differentiator is the minimization of LID degradation and an excellent temperature coefficient, which ensures the system maintains high efficiency even on hot days. It is an ideal choice for investors building solar farms and large commercial facilities where the lowest possible LCOE is crucial. The use of 78 cells in a larger format allows for the optimization of mounting structure and cabling costs, which directly translates to a faster return on investment. Unlike standard P-type modules, the TS-BBT78 series offers higher resistance to aging effects and a longer linear performance warranty. The robust double-glass construction effectively protects cells from micro-cracks and demanding weather conditions, ensuring failure-free operation for decades. By choosing these panels, you gain maximum power density from every square meter of surface, allowing for the full utilization of land or roof potential.

Ranking

359 panels in the segment N-type 600-650 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.40% 22.77% Typical 4,774
Power density 223.6 227.7 Weak · bottom 22% 4,955
Temperature coefficient -0.290 -0.290 Typical 2,165
Weight per kWp 46.4 52.7 Strong · top 11% 1,141
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

1 positive · 1 caution
Best for

Utility-scale, commercial and hot-climate.

Not ideal for

Roofs where every square metre has to count.

Strengths
46.4 kg per kWp

Top 11% of the N-type 600-650 W segment, against a median of 52.7.

Watch-outs
223.6 watts per square metre

Bottom 22% of the N-type 600-650 W segment, against a median of 227.7.

Notes from the database
  • At 22.4% efficiency, this panel is on par with typical N-type 600-650W modules
  • At 223.6 W/m², this panel generates 4.1 W/m² less per unit area than N-type 600-650W median (227.7 W/m²)
  • Temperature coefficient of -0.29%/°C matches the N-type 600-650W median
  • Weight of 29.0 kg (3.5 kg below N-type 600-650W median of 32.5 kg) allows easier transport and roof mounting
  • Bifaciality factor of 80% can add 4-12% extra yield with reflective mounting surface

Specifications

Open datasheet PDF
Nominal power (Pmax) 625 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.40 % Typical Segment median 22.77%
Vmpp · Impp 47.61 V · 13.13 A Operating point at max power
Voc · Isc 56.18 V · 13.79 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2465×1134×35 mm · 2.80 m² of roof
Weight 29.0 kg Strong Strong · 3.5 kg below median
Cells 156 · N-type Monocrystalline
Bifaciality 80 % Rear output as a share of front
Coefficient Pmax -0.290 %/°C Typical median -0.290 of its segment
Coefficient Voc · Isc -0.280 · 0.040 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 15 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 87.4 % Equals 546 W guaranteed
Degradation 1.00 → 0.40 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by Sunova in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 625 Wp appear here. The rest cover the whole series.

Temperature Dependence of Isc, Voc, Pmax Temperature Dependence of Isc, Voc, Pmax Whole series

Simulations

Live - change any input
Lifetime output & value
30 years at 1200 kWh/kWp/year and €0.50 per kWh
Power in year 30
-
Lifetime energy
-
Energy value
-
With bifacial gain
-

Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.

Heat losses
-0.290 %/°C against a segment median of -0.290
-
Bifacial gain
Rear gain over light concrete: -
-

Model: bifaciality × albedo × 0.6 view factor. A first-order estimate, not a yield simulation.

Alternatives

All Sunova panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Sunova TS-BBT78(625) 625 W 22.40% -0.290 29.0 kg You are here
AIKO-A650-MAE72Mw 650 W 25.20% -0.260 27.0 kg +25 W, cooler, +2.8 pp
AIKO-A675-MDE72Mw 675 W 25.00% -0.260 29.0 kg +50 W, cooler, +2.6 pp
AIKO-A645-MAE72Mw 645 W 25.00% -0.260 27.0 kg +20 W, cooler, +2.6 pp
AIKO-G670-MCH72Mw 670 W 24.80% -0.260 28.2 kg +45 W, cooler, +2.4 pp
LR7-72HVHF-670M 670 W 24.80% -0.260 28.5 kg +45 W, cooler, +2.4 pp
AIKO-A640-MAE72Mw 640 W 24.80% -0.260 27.0 kg Cooler, lighter, +2.4 pp
JKM650-670N-66QL6-BDV (670W class) 670 W 24.80% -0.260 32.5 kg +45 W, heavier, +2.4 pp
TS-BW78(575) 575 W 20.60% -0.330 29.0 kg -50 W, -1.8 pp, -5 yr warranty
TS-BW78(580) 580 W 20.70% -0.330 29.0 kg -45 W, -1.7 pp, -5 yr warranty
TS-BW78(585) 585 W 20.90% -0.330 29.0 kg Hotter, -1.5 pp, -5 yr warranty
TS-BW78(590) 590 W 21.10% -0.330 29.0 kg Hotter, -1.3 pp, -5 yr warranty
TS-BW78(595) 595 W 21.30% -0.330 29.0 kg Hotter, -1.1 pp, -5 yr warranty
TS-BBT78(615) 615 W 22.00% -0.290 29.0 kg -10 W, -0.4 pp
TS-BGT78(615) 615 W 22.00% -0.290 34.0 kg -10 W, heavier, -0.4 pp
TS-BBT78(620) 620 W 22.20% -0.290 29.0 kg Very close match
TS-BGT78(620) 620 W 22.20% -0.290 34.0 kg Heavier
AIKO-A680-MDE72Mw 680 W 25.20% -0.260 29.0 kg +55 W, cooler, +2.8 pp

Found 616 panels of the same or similar size to this one, within ±10 mm. See them here Found 616 panels of the same or similar size to this one, within ±25 mm. See them here Found 616 panels of the same or similar size to this one, within ±50 mm. See them here Found 1813 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What is the maximum power output of Sunova TS-BBT78 panels?
Panels from the Sunova TS-BBT78 series reach a maximum power output of up to 640 Wp. This high output comes from the use of 78 large-format N-type TOPCon cells, which deliver more energy per module and reduce mounting structure and cabling costs per installed kilowatt.
How does bifacial technology in the Sunova TS-BBT78 differ from standard monofacial panels?
TS-BBT78 bifacial panels use a Bifacial Double Glass construction, allowing the cells to capture additional light reflected from the ground, a light-colored roof, or gravel surfaces. This results in higher total energy yield from the same surface area compared to standard monofacial panels, especially on bright ground cover or ground-mounted PV farms.
What warranty comes with Sunova TS-BBT78 panels?
The manufacturer provides a 15-year product warranty along with a 30-year linear power output warranty. This means that after 30 years of operation the panel should still deliver a significant share of its initial power output, an important factor when calculating return on investment for large commercial installations.
Does N-type TOPCon technology in the Sunova TS-BBT78 mean less cell degradation?
Yes, N-type TOPCon cells are significantly less prone to LID degradation compared to older P-type cells. As a result, TS-BBT78 panels maintain higher efficiency throughout their operational life, with a slower power decline over time, translating into higher real-world energy yield in the long run.
Are Sunova TS-BBT78 panels suitable for large-scale solar farms?
Yes, the TS-BBT78 series is designed for utility-scale ground-mounted installations and large commercial projects. The large module format with 78 cells and unit power output of up to 640 Wp allow fewer panels to be used, simplify the mounting structure, and lower the overall LCOE of the installation.
Is Sunova a Tier 1 manufacturer and where are TS-BBT78 panels made?
Sunova is not currently listed as a Tier 1 manufacturer, though it is a China-based producer active in the PV module market. This is worth considering when assessing project financial risk, while the technical specifications of the TS-BBT78 series, such as TOPCon technology and bifacial construction, match current market standards for utility-scale installations.
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