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Risen Brand review

RSM132-8-700-715BHDG (710W)

710 Wp HJT Bifacial 90%
ComparePV verdict

Middle of its segment, heavy for its output

Rank 610 of 14,129
Compare panels Datasheet PDF
Power (Wp)
710
Typical for its class
Efficiency (%)
22.90
Typical · median 23.02%
Density (Wp/m²)
228.6
Typical · median 230.2
Temp (%/°C)
-0.240
Typical · median -0.240
Weight (kg)
40.0
Weak · 1.7 kg above median
Warranty (yrs)
30
Typical · median 30 yrs

The Risen Hyper-ion (HJT) series comprises double-sided, heterojunction modules designed for maximum energy yield under real-world operating conditions - especially when conventional designs lose effectiveness. Thanks to HJT technology and high thermal stability, the modules maintain production better during summer and on installations with poorer ventilation, translating to higher annual yields and a more predictable investment return.

The key difference lies in the 0BB (busbar-free) cell architecture and the proprietary, stress-free Hyper-link interconnection technology, which enhances connection durability, minimizes module losses, and improves resistance to micro-cracks during installation and thermal cycling. The modules also feature high bifaciality, effectively utilizing reflected light - particularly on light-colored roofs, gravel surfaces, and farms with appropriately selected substrates.

This is a sensible choice for industrial installations and PV farms where lower BOS costs and stable power output matter, as well as for projects focused on carbon footprint and long-term power retention.

Ranking

222 panels in the segment HJT 700-750 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.90% 23.02% Typical 2,412
Power density 228.6 230.2 Typical 2,529
Temperature coefficient -0.240 -0.240 Typical 13
Weight per kWp 56.3 53.6 Weak · bottom 3% 10,688
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 · 3 caution
Best for

Utility-scale, commercial and hot-climate.

Not ideal for

Weight-limited structures.

Watch-outs
56.3 kg per kWp

Bottom 3% of the HJT 700-750 W segment, against a median of 53.6. Ranked 10,688th in the whole database.

What owners get
High efficiency via HJT technology

Heterojunction (HJT) cells deliver module efficiency of 22.5-23%, and a low temperature coefficient helps maintain higher output in summer and on poorly ventilated installations compared to conventional PERC/TOPCon modules.

Very long 30-year power warranty

The manufacturer offers a 30-year linear power warranty plus a 15-year product warranty, a premium standard in the HJT segment that supports predictable ROI on industrial-scale projects.

0BB architecture and Hyper-link technology

The busbar-free (0BB) cell design combined with Risen's proprietary stress-free Hyper-link interconnection reduces electrical losses and improves resistance to microcracks during transport, installation, and thermal cycling.

High bifaciality for utility-scale PV farms

Bifacial modules with up to 85% bifaciality effectively capture reflected light, which, with suitable ground albedo (light roofs, gravel), meaningfully boosts annual energy yield in large-scale installations.

Specs on par with the HJT segment leaders

Power of 700-715 Wp and efficiency up to 23% match leading HJT peers - DAS Solar (715 Wp, 23%), New East Solar (715 Wp, 23.02%), and BECSA (715 Wp, 23%) - confirming Risen is at the forefront of current bifacial HJT technology, while its Tier-1 bankable status strengthens project financing credibility.

Trade-offs
Higher cost than TOPCon/PERC modules

HJT technology involves higher cell production costs (additional a-Si layers and silver paste) than mainstream TOPCon or PERC modules, which can translate into higher CAPEX and a longer payback period for projects with limited BOS budgets.

Inconsistent bifaciality figures across manufacturer releases

Different official Risen materials quote bifaciality as both 85%±5% and 85%±10% for the same series, making precise energy yield modeling harder without confirming the current datasheet for the specific production batch.

Notes from the database
  • At 22.9% efficiency, this panel is on par with typical HJT 700-750W modules
  • At 228.6 W/m² power density, roof space requirements are typical for HJT 700-750W panels
  • At -0.24%/°C, hot weather performance is typical for HJT 700-750W panels
  • At 40.0 kg, this panel is 1.7 kg heavier than the HJT 700-750W median (38.3 kg) - more demanding for installation crews
  • 90% bifaciality enables rear-side power generation, boosting yield by 4-14% on reflective surfaces

Specifications

Open datasheet PDF
Nominal power (Pmax) 710 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.90 % Typical Segment median 23.02%
Vmpp · Impp 41.93 V · 16.95 A Operating point at max power
Voc · Isc 50.01 V · 18.00 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2384×1303×35 mm · 3.11 m² of roof
Weight 40.0 kg Weak Weak · 1.7 kg above median
Cells 132 · HJT Monocrystalline
Bifaciality 90 % Rear output as a share of front
Coefficient Pmax -0.240 %/°C Typical median -0.240 of its segment
Coefficient Voc · Isc -0.220 · 0.047 %/°C
NOCT 43 °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 90.3 % Equals 656 W guaranteed
Degradation 1.00 → 0.23 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by Risen in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 710 Wp appear here. The rest cover the whole series.

Additional value from Risen's Linear Warranty (0.3% Annual Degradation over 30 years) Additional value from Risen's Linear Warranty (0.3% Annual Degradation over 30 years) Whole series RSM132-8-710BHDG — I-V characteristics at different irradiations RSM132-8-710BHDG — I-V characteristics at different irradiations 710 W I-V characteristics at different temperatures (AM1.5, 1000W/m²) I-V characteristics at different temperatures (AM1.5, 1000W/m²) 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
-0.240 %/°C against a segment median of -0.240
-
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
Risen RSM132-8-700-715BHDG (710W) 710 W 22.90% -0.240 40.0 kg You are here
AIKO-A680-MDE72Mw 680 W 25.20% -0.260 29.0 kg -30 W, lighter, +2.3 pp
AIKO-A675-MDE72Mw 675 W 25.00% -0.260 29.0 kg -35 W, lighter, +2.1 pp
AIKO-A700-MAE78Dw 700 W 25.00% -0.260 34.5 kg Hotter, lighter, +2.1 pp
WST-675BKX72-A2 675 W 25.00% -0.260 32.1 kg -35 W, lighter, +2.1 pp
AIKO-A695-MAE78Dw 695 W 24.90% -0.260 34.5 kg Hotter, lighter, +2.0 pp
AIKO-G670-MCH72Mw 670 W 24.80% -0.260 28.2 kg -40 W, lighter, +1.9 pp
LR7-72HVHF-670M 670 W 24.80% -0.260 28.5 kg -40 W, lighter, +1.9 pp
JKM650-670N-66QL6-BDV (670W class) 670 W 24.80% -0.260 32.5 kg -40 W, lighter, +1.9 pp
RSM132-8-650BMDG 650 W 20.90% -0.340 38.3 kg -60 W, hotter, -2.0 pp
RSM132-8-655M 655 W 21.10% -0.340 33.5 kg Hotter, lighter, -1.8 pp
RSM132-8-660BMDG 660 W 21.20% -0.340 38.3 kg -50 W, hotter, -1.7 pp
RSM132-8-665BMDG 665 W 21.40% -0.340 38.3 kg -45 W, hotter, -1.5 pp
RSM132-8-670M 670 W 21.60% -0.340 33.5 kg Hotter, lighter, -1.3 pp
AIKO-A805-GRH78Dw 805 W 25.10% -0.260 39.8 kg +95 W, hotter, +2.2 pp
AIKO-A800-GRH78Dw 800 W 24.90% -0.260 39.8 kg +90 W, hotter, +2.0 pp
AIKO-A795-GRH78Dw 795 W 24.80% -0.260 39.8 kg +85 W, hotter, +1.9 pp

Found 1393 panels of the same or similar size to this one, within ±10 mm. See them here Found 1403 panels of the same or similar size to this one, within ±25 mm. See them here Found 1403 panels of the same or similar size to this one, within ±50 mm. See them here Found 1435 panels of the same or similar size to this one, within ±100 mm. See them here

About the Hyper-ion Series (Heterojunction) Bifacial Module series

6 answered

These answers cover the whole series. Where a figure differs, the specification above is this module's own.

What is the temperature coefficient of the Risen Hyper-ion HJT module and does it matter in summer?
The Risen Hyper-ion HJT module has a power temperature coefficient of -0.24%/°C - one of the lowest in the industry, well below the -0.35%/°C typical for PERC or TOPCon modules. In practice, at 70°C module surface temperature the power loss is roughly 10.8% versus 15.75% for PERC. On rooftops with limited ventilation or during hot summer days, the Hyper-ion will generate noticeably more energy than competing technologies.
What is the 0BB and Hyper-link technology in Risen Hyper-ion panels and why does it matter?
0BB (zero busbar) removes metallic busbars from the cell surface, eliminating shading and resistive losses at the cell level. Risen's proprietary Hyper-link interconnection bonds cells at room temperature (25°C) using 24 thin module-level connections - completely stress-free. The result is reduced risk of microcracks during installation and thermal cycling, higher cell efficiency (up to 26.2%), and better long-term reliability of electrical connections throughout the module's service life.
How much extra energy does the Risen Hyper-ion produce thanks to its bifacial design, and on which installations does it pay off?
The Risen Hyper-ion achieves up to 90% bifaciality, meaning the rear side can capture up to 90% of the energy relative to the front side. Risen claims over 3% higher annual yield compared to mainstream bifacial modules. You'll see the biggest gains on ground-mounted farms with light-colored ground cover (gravel, concrete, light grass), white roofing membranes, or elevated structures like pergolas and carports where diffuse light can reach the rear side.
What warranties does the Risen Hyper-ion come with and what do they cover?
Risen provides a 15-year product warranty covering material and manufacturing defects, plus a 30-year linear power warranty guaranteeing at least 80% of rated power output after 30 years of operation. Risen Energy is a Tier 1 manufacturer listed on the Shenzhen Stock Exchange, which provides additional financial backing for warranty claims over that 30-year horizon.
Are Risen Hyper-ion 715W modules suitable for large-scale solar farms, or are they aimed at residential rooftops?
Risen Hyper-ion is primarily designed for commercial and utility-scale PV installations. At 715 Wp, dimensions of 2384×1303 mm and a weight of 40 kg, it is not practical for pitched residential rooftops. On solar farms, large-format modules reduce installation time, lower BoS costs (fewer modules, connections, and mounting structures), and improve LCOE. The HJT cell technology ensures the array performs reliably even in high-temperature climates where inverter MPPT tracking benefits from a stable, flat power curve.
Is the Risen Hyper-ion a good fit for projects with low-carbon requirements and ESG reporting obligations?
Yes. HJT manufacturing uses lower process temperatures than PERC or TOPCon, resulting in a carbon footprint below 400 kg eq CO₂/kWp for the Risen Hyper-ion - significantly less than standard PERC modules. If your project involves investors, lenders, or regulations requiring embodied-carbon documentation, this series has a measurable advantage, and Risen Energy provides LCA-compatible environmental data to support formal ESG or sustainability reporting.
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