Solid all-round for its segment
The Renesola RS9-700~720NBG-E1 series are modern, bifacial modules with a dual-glass construction, designed for stable energy production in more challenging operating conditions. The use of N-type cells with TOPCon technology helps to minimize typical power losses over time and improve performance when the installation operates at higher temperatures or under diffuse light. In practice, this means more predictable operation of the PV plant and better results in locations where every percentage of production matters.
Compared to the competition, they stand out due to their high mechanical durability and precise MBB connection and half-cut technology, which makes it easier to maintain high efficiency even with partial shading and variable conditions. The modules are particularly suitable for ground-mounted installations and large-scale commercial projects, where durability, safety, and long-term operation are key. A long power warranty also provides added value, which is important for financing and planning OPEX in larger projects.
Ranking
Signals from the data
Commercial, utility-scale, shaded-installations and hot-climate.
TOPCon (N-type, Solar N Plus) technology reduces LID/LeTID degradation and delivers a low Pmax temperature coefficient of -0.29%/°C, translating into higher annual energy yield than legacy P-type PERC modules in high-temperature conditions.
A guaranteed 87.4% power output after 30 years is a key bankability argument and supports OPEX planning in utility-scale and commercial projects, where long payback horizons matter most.
The double-glass construction (2 mm tempered) combined with bifaciality boosts rear-side energy harvest by up to several percentage points in ground-mount installations over bright surfaces, while also improving mechanical durability and module longevity.
Peak efficiency of 23.18% is essentially matched by top peer comparables - Gamko GKA210N132BF (23.18%) and DMEGC DMxxxG12T-B66HSW (23.2%) - confirming the series sits at the top tier of 700-720W N-type modules.
High module wattage with 132 half-cut cells and MBB technology reduces the number of panels and connections needed per project, lowering BoS costs (wiring, mounting structures, installation time) in large ground-mount and commercial arrays.
Renesola was still on the BNEF Tier 1 list in Q1-Q2 2026 but was removed as of Q3 2026. For lenders and investors assessing project bankability, this can introduce added due-diligence risk compared to manufacturers with uninterrupted Tier 1 presence.
At 2384x1303x33 mm and 38.7 kg, the module requires reinforced mounting structures and two-person installation, which can increase logistics and installation costs compared to lighter residential-class panels with lower unit power.
- At 23.0% efficiency, this panel is on par with typical N-type 700-750W modules
- At 230.2 W/m² power density, roof space requirements are typical for N-type 700-750W panels
- At -0.29%/°C, hot weather performance is typical for N-type 700-750W panels
- Ranked #1797 out of 14005 panels for efficiency in the database
Specifications
Simulations
Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.
Model: bifaciality × albedo × 0.6 view factor. A first-order estimate, not a yield simulation.
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