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Renesola Brand review

YH250W-30P

250 Wp TOPCon
ComparePV verdict

Middle of its segment, weak in heat

Rank 13,333 of 14,005
Compare panels Datasheet PDF
Power (Wp)
250
Weak · bottom 3%
Efficiency (%)
15.38
Typical · median 14.99%
Density (Wp/m²)
153.7
Typical · median 149.9
Temp (%/°C)
-0.350
Weak · bottom 7%
Weight (kg)
17.1
Typical · median 23.4 kg
Warranty (yrs)
30
Typical · median 30 yrs

The Renesola 156M SPLIT CELL 250W-275W series is designed for stable operation in real rooftop conditions, where losses due to wiring, partial shading, and long-term reliability are key factors. The use of a split cell architecture reduces current flow in the current paths, allowing the module to better withstand microcracks and reducing the risk of hotspots caused by uneven sunlight exposure. This results in more predictable energy production throughout the day - especially in the morning and afternoon, when shadows from chimneys, trees, or dormers can significantly reduce output.

Another advantage is the multi-busbar connection design, which shortens the current path within the cell and increases resistance to mechanical degradation. The series also emphasizes robust environmental resistance, which is important in the Polish climate, where there are cycles of freezing and humidity.

This is a good choice for residential and small commercial installations, where better tolerance to shading and peace of mind and trouble-free operation are the priorities, rather than maximizing "paper" power output.

Ranking

30 panels in the segment TOPCon 250-300 W
Metric This panel Median Position in segment Overall rank
Module efficiency 15.38% 14.99% Typical 13,741
Power density 153.7 149.9 Typical 13,727
Temperature coefficient -0.350 -0.290 Weak · bottom 7% 10,419
Weight per kWp 68.4 79.5 Typical 13,317
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

5 positive · 4 caution
Best for

Residential, commercial and shaded-installations.

Not ideal for

Hot climates.

Watch-outs
-0.350 %/°C temperature coefficient

Bottom 7% of the TOPCon 250-300 W segment, against a median of -0.290. Ranked 10,419th in the whole database.

What owners get
Half-cut cell layout limits hot spots

Splitting cells into halves reduces the operating current in each conductive path by roughly 50%, lowering hot-spot risk and improving partial-shading tolerance - useful on roofs with chimneys, dormers, or nearby trees.

Multi busbar construction

A shorter current path within each cell increases resistance to microcracks and mechanical degradation from thermal cycling, contributing to more stable long-term module performance.

30-year product and power warranty

Renesola provides 30 years of coverage for both the product and power output - significantly longer than the typical 10-12 year product and 25-year power warranties common among peers from the same production era.

BNEF Tier-1 manufacturer with strong bankability

Renesola (founded 2005) has held BNEF Tier-1 status for 11 consecutive years and has shipped roughly 25 GW globally, confirming the manufacturer's financial credibility for project financing.

Solid environmental durability for the Polish climate

Snow and wind load testing per IEC standards suits Poland's freeze cycles and humidity, reducing the risk of weather-related failures over the module's lifetime.

Trade-offs
Production discontinued (2017)

The series is discontinued (released 2012, ended 2017), meaning limited availability of warranty service, replacement parts, and difficulty extending an existing array with identical modules.

Lower efficiency than newer competing series

Peak efficiency of 16.9% trails newer competitors such as the Loom Solar SHARK (20.65% at the same 275W rating) by about 3.7 percentage points, requiring more roof area for equivalent installed power.

No bifacial technology

The module is monofacial (is_bifacial: false), missing out on the additional yield from reflected ground-albedo light that newer bifacial panels can capture, limiting its competitiveness against current-generation modules.

Notes from the database
  • Efficiency of 15.4% is 0.6pp below the TOPCon 0-400W median (16.0%)
  • Power density of 153.7 W/m² is 6.1 W/m² below TOPCon 0-400W median (159.8 W/m²) - needs more roof space
  • Temperature coefficient of -0.35%/°C is 0.06pp worse than TOPCon 0-400W median (-0.29%/°C) - higher losses in summer heat
  • 17.1 kg weight - 6.4 kg lighter than TOPCon 0-400W median (23.5 kg), reducing installation effort
  • #13741 for efficiency, #10419 for temperature performance out of 14005 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 250 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 15.38 % Typical Segment median 14.99%
Vmpp · Impp 30.41 V · 8.22 A Operating point at max power
Voc · Isc 35.78 V · 8.71 A Sizes the string length
Max system voltage 1000 V Longer strings than 1000 V modules
Dimensions 1640×992×35 mm · 1.63 m² of roof
Weight 17.1 kg Typical Typical · median 23.4 kg
Cells 60 · TOPCon Polycrystalline
Coefficient Pmax -0.350 %/°C Weak bottom 7% of its segment
Coefficient Voc · Isc -0.270 · 0.048 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 30 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs

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
-

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

Heat losses
-0.350 %/°C against a segment median of -0.290
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Renesola YH250W-30P 250 W 15.38% -0.350 17.1 kg You are here
WS-295 295 W 18.17% -0.386 18.5 kg +45 W, +2.8 pp, -5 yr warranty
CS3K-300P-AG 300 W 18.10% -0.360 22.5 kg +50 W, heavier, +2.7 pp
RL300HP-120 300 W 18.05% -0.390 18.5 kg +50 W, hotter, +2.7 pp
MYP3060-300 300 W 18.01% -0.370 19.0 kg +50 W, +2.6 pp, -5 yr warranty
MYP3060-300 300 W 18.01% -0.370 19.0 kg +50 W, +2.6 pp, -5 yr warranty
MYP3054-270 270 W 18.00% -0.370 16.9 kg Hotter, +2.6 pp, -5 yr warranty
MYP3054-270 270 W 18.00% -0.370 16.9 kg Hotter, +2.6 pp, -5 yr warranty
WS-290 290 W 17.86% -0.386 18.5 kg +40 W, +2.5 pp, -5 yr warranty
HT60-156P-290 290 W 17.83% -0.410 18.5 kg Hotter, +2.4 pp, -5 yr warranty
YH260W-30P 260 W 15.99% -0.350 17.1 kg +10 W, +0.6 pp
YH270W-30P 270 W 16.60% -0.350 17.1 kg +20 W, +1.2 pp
YH275W-30P 275 W 16.90% -0.350 17.1 kg +25 W, +1.5 pp
SPR-MAX3-400-COM 400 W 22.60% -0.270 19.0 kg +150 W, +7.2 pp, +10 yr warranty
LEPV 400 400 W 22.31% -0.290 20.0 kg +150 W, cooler, +6.9 pp
NS-360MH-60 360 W 22.12% -0.290 17.0 kg +110 W, cooler, +6.7 pp
NS-360MH-60 360 W 22.12% -0.290 17.0 kg +110 W, cooler, +6.7 pp

Found 182 panels of the same or similar size to this one, within ±10 mm. See them here Found 218 panels of the same or similar size to this one, within ±25 mm. See them here Found 379 panels of the same or similar size to this one, within ±50 mm. See them here Found 472 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
Is the Renesola 156M SPLIT CELL 250W-275W series still available for purchase?
The Renesola 156M SPLIT CELL 250W-275W series has been discontinued and is no longer actively distributed through new supply channels. Remaining stock may still exist at select wholesalers, but building a new system around this series is not recommended. For expansions or replacements, we suggest consulting a service provider and considering current Renesola models with comparable electrical characteristics.
What warranty does the Renesola 156M SPLIT CELL 275W panel carry?
Renesola offered a 30-year product warranty covering manufacturing defects and a 30-year power output warranty on this series. This dual 30-year coverage was above average for its price segment and reflected the manufacturer's confidence in the durability of the half-cut, multi busbar construction. When purchasing on the secondary market, always confirm warranty validity with the seller and check Renesola's official warranty transfer policy.
What is half-cut cell technology and how does it benefit the Renesola 156M panels?
Half-cut cell technology splits each photovoltaic cell into two halves, reducing the operating current in each conductive path by 50%. This lowers resistive losses inside the module, improves resistance to microcracks, and reduces the risk of hot spots under uneven irradiance. For end users, this translates into more consistent energy output throughout the day, especially during morning and late-afternoon hours when shading angles are most critical.
How well does the Renesola 156M SPLIT CELL 275W handle shading from chimneys or trees?
The half-cut cell architecture significantly improves shade tolerance compared to conventional full-cell modules. The module is electrically divided into two independent halves, so shade falling on one section does not fully suppress output from the other. This is especially valuable on rooftops with chimneys, dormers, or nearby trees where shadows shift throughout the day and would otherwise cause disproportionate energy losses in a standard module.
How does the multi busbar design in the Renesola 156M series compare to older panel designs?
Older modules typically used 3 to 4 busbars per cell. The 156M SPLIT CELL series employs a multi busbar layout, shortening the current path within each cell. This reduces series resistance, improves mechanical degradation resistance during thermal cycling, and minimizes the risk of open circuits caused by microcracks. The practical result is a slower long-term power degradation rate compared to legacy busbar designs.
Are Renesola 156M SPLIT CELL panels suitable for the Polish climate, including frost and moisture?
The series was designed with robust environmental resistance in mind, addressing the specific demands of the Polish climate including freeze-thaw cycles and elevated humidity. Modules were tested against snow load and wind pressure standards per IEC specifications. The combination of half-cut cell architecture and multi busbar interconnection reduces the mechanical stress risk at low temperatures compared to older full-cell module designs.
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