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Tata Power Solar Brand review

TP585LG10TB

585 Wp PERC Bifacial 70%
ComparePV verdict

Middle of its segment, weak in heat

Rank 7,534 of 14,005
Compare panels Datasheet PDF
Power (Wp)
585
Typical for its class
Efficiency (%)
21.00
Weak · bottom 25%
Density (Wp/m²)
210.0
Weak · bottom 23%
Temp (%/°C)
-0.360
Weak · bottom 5%
Weight (kg)
31.0
Typical · median 30.8 kg
Warranty (yrs)
25
Weak · bottom 24%

Modules from the Tata Power Solar TPxxxLG10TB series are advanced units based on glass-glass bifacial technology, which redefine performance standards in demanding environmental conditions. This design effectively eliminates the risks associated with traditional backsheet foil, ensuring extraordinary resistance to potential-induced degradation and the phenomenon of micro-cracks. The use of M10 format monocrystalline cells combined with modern half-cut architecture allows for a significant reduction in power losses resulting from shading and lowers the module's operating temperature. This solution is dedicated primarily to investors implementing large-scale farms and ground-mounted installations, where the absorption of light reflected from the ground realistically increases the total energy yield. This series stands out with above-average mechanical resistance to extreme wind and snow loads, which guarantees operational safety in the variable Polish climate. The competitive advantage lies in rigorous production process control, translating into a lower decline in efficiency over time. Investing in these panels is a guarantee of long-term yield stability, which is crucial for a fast return on capital in professional PV projects.

Ranking

589 panels in the segment PERC 550-600 W
Metric This panel Median Position in segment Overall rank
Module efficiency 21.00% 21.29% Weak · bottom 25% 9,758
Power density 210.0 212.9 Weak · bottom 23% 9,765
Temperature coefficient -0.360 -0.350 Weak · bottom 5% 12,345
Weight per kWp 53.0 52.7 Typical 6,697
Performance warranty 25 yrs 27 yrs Weak · bottom 24% 9,798
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

0 positive · 3 caution
Best for

Utility-scale and shaded-installations.

Not ideal for

Hot climates, roofs where every square metre has to count and owners who want a long output guarantee.

Watch-outs
-0.360 %/°C temperature coefficient

Bottom 5% of the PERC 550-600 W segment, against a median of -0.350. Ranked 12,345th in the whole database.

210.0 watts per square metre

Bottom 23% of the PERC 550-600 W segment, against a median of 212.9.

25 year performance warranty

Bottom 24% of the PERC 550-600 W segment, against a median of 27 yrs.

Notes from the database
  • Efficiency of 21.0% matches the PERC 550-600W median
  • Power density of 210.1 W/m² matches the PERC 550-600W median
  • Temperature coefficient of -0.36%/°C matches the PERC 550-600W median
  • Bifaciality factor of 70% can add 4-10% extra yield with reflective mounting surface
  • In the top 70% for efficiency among all PERC panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 585 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 21.00 % Weak Segment median 21.29%
Vmpp · Impp 46.10 V · 12.69 A Operating point at max power
Voc · Isc 53.73 V · 13.20 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2456×1134×35 mm · 2.79 m² of roof
Weight 31.0 kg Typical Typical · median 30.8 kg
Cells 156 · PERC Monocrystalline
Bifaciality 70 % Rear output as a share of front
Coefficient Pmax -0.360 %/°C Weak bottom 5% of its segment
Coefficient Voc · Isc -0.280 · 0.050 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 10 years Hardware defects only
Performance warranty 25 years Weak bottom 24% · median 27 yrs
End-of-warranty output 80.0 % Equals 448 W guaranteed
Degradation 2.50 → 0.72 % First year, then annual

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
-0.360 %/°C against a segment median of -0.350
-
Bifacial gain
Rear gain over light concrete: -
-

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

Filter these
Size
Panel Power Eff. Temp. Weight Difference
Tata Power Solar TP585LG10TB 585 W 21.00% -0.360 31.0 kg You are here
LR7-60HVH-560M 560 W 24.80% -0.260 25.0 kg Cooler, lighter, +3.8 pp
LR7-60HVH-555M 555 W 24.60% -0.260 25.0 kg Cooler, lighter, +3.6 pp
AIKO-A635-MAE72Mw 635 W 24.60% -0.260 27.0 kg +50 W, cooler, +3.6 pp
AIKO-A630-MAH72Dw 630 W 24.40% -0.260 32.5 kg Cooler, +3.4 pp, +5 yr warranty
LR7-60HVHL-550M 550 W 24.40% -0.260 16.3 kg Cooler, lighter, +3.4 pp
TP570LG10B 570 W 20.47% -0.370 36.0 kg Heavier, -0.5 pp, +5 yr warranty
TP575LG10B 575 W 20.65% -0.370 36.0 kg Heavier, -0.4 pp, +5 yr warranty
TP580LG10B 580 W 20.83% -0.370 36.0 kg Hotter, heavier, +5 yr warranty
TP590LG10TB 590 W 21.18% -0.360 31.0 kg Very close match
AIKO-A680-MDE72Mw 680 W 25.20% -0.260 29.0 kg +95 W, cooler, +4.2 pp
AIKO-A675-MDE72Mw 675 W 25.00% -0.260 29.0 kg +90 W, cooler, +4.0 pp
AIKO-A700-MAE78Dw 700 W 25.00% -0.260 34.5 kg +115 W, cooler, +4.0 pp
AIKO-A695-MAE78Dw 695 W 24.90% -0.260 34.5 kg +110 W, cooler, +3.9 pp
AIKO-G670-MCH72Mw 670 W 24.80% -0.260 28.2 kg +85 W, cooler, +3.8 pp
LR7-72HVHF-670M 670 W 24.80% -0.260 28.5 kg +85 W, cooler, +3.8 pp
JKM650-670N-66QL6-BDV (670W class) 670 W 24.80% -0.260 32.5 kg +85 W, cooler, +3.8 pp

Found 613 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
How does the glass-glass bifacial technology in the TPxxxLG10TB panels differ from standard backsheet modules?
In the TPxxxLG10TB series, the rear backsheet is replaced with tempered glass, eliminating potential-induced degradation (PID) and reducing the risk of laminate microcracks. The rear side is also photovoltaically active, capturing light reflected from the ground surface and boosting energy yield by up to several percent depending on ground albedo. The glass-glass structure is also more mechanically durable and better resists moisture and temperature swings.
What warranty do Tata Power Solar TPxxxLG10TB panels come with?
The manufacturer provides a 10-year product warranty covering material and workmanship defects, plus a 25-year power output warranty guaranteeing a minimum performance level over that period. As a Tier 1 manufacturer, Tata Power Solar has a stable financial track record, which increases the practical likelihood that warranty claims can be honored over the full term, unlike smaller, less established brands.
Are the up-to-600 Wp TPxxxLG10TB panels suitable for large-scale solar farms and ground-mount installations?
Yes, that's the primary use case for this series. The high per-module power (up to 600 Wp) combined with bifacial technology means ground-mount installations over light-colored ground or on tracker structures achieve noticeably higher energy yield than with monofacial panels. The large module size and weight suit fixed-tilt and tracking structures in utility-scale projects where cost per Wp is the key metric.
How do TPxxxLG10TB panels perform in low temperatures and winter conditions in Poland?
The monocrystalline PERC half-cut cells have a favorable power temperature coefficient, so the panel loses less efficiency at high temperatures and actually performs slightly better in cold winter conditions. On top of that, snow around the array raises ground albedo, giving bifacial modules an extra energy boost from the rear side once the front surface is cleared or partially lit.
Are TPxxxLG10TB modules a good fit for a sloped residential roof?
These panels are optimized mainly for solar farms and ground-mount installations rather than typical sloped roofs. The high power output and large dimensions add weight, requiring a structural check of roof load capacity, and the bifacial benefit is limited on a conventional pitched roof with little gap beneath the module. Homeowners typically get better value from smaller, lighter monofacial modules from the same or another product line.
Is Tata Power Solar a reliable manufacturer, and can PERC cells in the TPxxxLG10TB series be trusted?
Tata Power Solar is an India-based manufacturer classified as Tier 1, meaning full vertical integration and a long, financially stable market presence. PERC cells used in the TPxxxLG10TB series are a mature, proven technology with a solid price-to-efficiency ratio, though newer TOPCon technology now offers higher peak efficiency. For utility-scale projects, strict production quality control translates into lower power degradation over time.
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