--- title: "Goldi Solar GS12-T132-GF-700 700W Solar Panel - Specs & Review | ComparePV" description: "Goldi Solar GS12-T132-GF-700 700W solar panel. Specs: 22.53% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/goldi-solar-gs12-t132-gf-700" updated: 2026-09-11 --- # Goldi Solar GS12-T132-GF-700 Strong in heat, needs the roof space 420 panels in the segment TOPCon 700-750 W ## Identity - **Manufacturer:** Goldi Solar - **Model:** GS12-T132-GF-700 - **Series:** HELOCUS - **Rated power:** 700 W - **Cell technology:** TOPCon - **Bifacial:** yes ## How it compares Compared against segment TOPCon 700-750 W (420 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 700 W | 715 W | Weak - bottom 7% | | | Module efficiency | 22.53% | 23.00% | Weak - bottom 11% | 3,982 | | Power density | 225.3 | 230.2 | Weak - bottom 7% | 3,989 | | Temperature coefficient | -0.280 | -0.290 | Strong - top 11% | 1,309 | | Weight (kg) | 38.1 kg | 38.0 kg | Weak - bottom 10% | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 22.53% | 23.00% | Weak - bottom 11% | 3,982 | | Power density | 225.3 | 230.2 | Weak - bottom 7% | 3,989 | | Temperature coefficient | -0.280 | -0.290 | Strong - top 11% | 1,309 | | Weight per kWp | 54.4 | 52.9 | Weak - bottom 10% | 8,726 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Strengths - **-0.280 %/°C temperature coefficient** - Top 11% of the TOPCon 700-750 W segment, against a median of -0.290. ### Watch out for - **225.3 watts per square metre** - Bottom 7% of the TOPCon 700-750 W segment, against a median of 230.2. Ranked 3,989th in the whole database. - **54.4 kg per kWp** - Bottom 10% of the TOPCon 700-750 W segment, against a median of 52.9. Ranked 8,726th in the whole database. - **22.53% module efficiency** - Bottom 11% of the TOPCon 700-750 W segment, against a median of 23.00%. - **Best for:** Commercial, utility-scale and hot-climate. - **Not ideal for:** Roofs where every square metre has to count, weight-limited structures and tight roof space. ## Specification ### Electrical - **Rated power (Pmax):** 700 W - **Efficiency:** 22.53 % - **Voltage at Pmax (Vmp):** 40.84 V - **Current at Pmax (Imp):** 17.14 A - **Open-circuit voltage (Voc):** 47.60 V - **Short-circuit current (Isc):** 18.16 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.280 %/degC - **Temperature coefficient of Voc:** -0.250 %/degC - **Temperature coefficient of Isc:** 0.045 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 132 - **Bifacial:** yes - **Bifacial gain:** 10.00 ### Physical - **Length:** 2384 mm - **Width:** 1303 mm - **Thickness:** 33 mm - **Weight:** 38.1 kg - **Area:** 3.11 m2 - **Power density:** 225.3 Wp/m2 ### Warranty and degradation - **Product warranty:** 12 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 89.4 % - **First-year degradation:** 1.00 % - **Annual degradation:** 0.40 % - **Output after 30 years:** 612 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 3982 of 14005 | | Power density | 3989 of 14005 | | Temperature coefficient | 1309 of 14005 | | Weight | 8726 of 14005 | | Warranty | 21 of 14005 | ## Pros - **N-type TOPCon 16-Busbar Cells – Lower Degradation** - N-type TOPCon technology exhibits significantly lower LID (Light-Induced Degradation) losses compared to PERC, while the 16-busbar (16BB) configuration reduces thermal stress and the risk of microcracks. This translates into measurable gains in annual energy yield, particularly under the variable cloud cover conditions characteristic of the Polish climate. - **Efficiency Up to 23.01% – Top of Segment** - A peak efficiency of 23.01% places the HELOCUS series directly alongside the comparison group leaders: New East Solar NESE 66THB-G12 (23.02%) and DAS Solar DAS-DH132NC (23.00%). This delivers higher power density per m² relative to standard PERC modules (typically 20–21%), a critical advantage where available roof area is limited. - **Bifacial Glass-Glass Construction** - The dual-glass bifacial encapsulation enables additional energy harvest from albedo irradiance reflected off the ground surface — the manufacturer rates the bifacial gain at up to 10–30% relative to a monofacial module. The glass backsheet also provides superior moisture resistance and extends laminate service life, directly underpinning the 30-year power warranty. - **30-Year Linear Power Warranty** - The manufacturer offers a 30-year linear power warranty (alongside a 12-year product warranty), exceeding the 25-year warranty standard common among competitors in the same class. The extended warranty horizon reduces investment risk and facilitates bank financing for utility-scale projects. - **Kiwa PVEL Top Performer 2024 + Tier-1 BNEF** - Goldi Solar has achieved 'Top Performer' status in the Kiwa PVEL Module Reliability Scorecard 2024 — an elite designation awarded to approximately 50 manufacturers globally, confirming performance in thermal cycling and damp heat stress testing, among other reliability assessments. The company also maintains Tier-1 BNEF (bankable) status, confirming its eligibility for non-recourse project financing. ## Cons - **ICRA BBB Credit Rating – Warranty Risk** - Goldi Solar carries an \[ICRA\]BBB(Stable) credit rating, which denotes moderate credit risk within the Indian rating scale. Given the 30-year power warranty, the manufacturer's financial health over the coming decades is critical; a BBB rating is notably below the positions of global leaders such as LONGi, Jinko, and Trina — which hold A-range ratings or above — and may raise concerns when structuring long-term project financing in Poland. - **Limited Service Network in Europe** - Goldi Solar is a manufacturer primarily focused on the Indian market (ranked 2nd–3rd by module shipments in India in 2025), without an established distribution and service network in Central Europe. In the event of warranty claims, lead times and the availability of local technical support may be longer than those offered by manufacturers operating European logistics hubs. ## About this series The HELOCUS series introduces a new quality to the field of photovoltaic modules, utilizing advanced **N-type TopCon cell** technology, which minimizes energy losses and significantly improves efficiency in low-light conditions. Thanks to the use of **multi-busbar 16BB cells**, these panels are characterized by exceptional resistance to micro-cracks, which directly translates into the longevity of the installation in harsh weather conditions. The use of **bifacial glass-glass construction** allows for additional energy yield from reflected radiation, making this series an ideal choice for investors seeking maximum efficiency from limited roof or ground space. HELOCUS effectively solves the problem of module degradation over time, offering stable power output for decades, which distinguishes it from standard market solutions. This product is dedicated to both demanding home prosumers and large-scale PV farms, where a **low temperature coefficient** and the highest power density are of key importance. By choosing this series, users receive a future-oriented technology that combines high mechanical resistance with an innovative approach to reducing the carbon footprint, placing HELOCUS at the forefront of modern photovoltaic systems available on the Polish market. ## Notable figures - Efficiency of 22.5% matches the \*\*TOPCon 700-750W\*\* median - Power density of 225.3 W/m² is 4.9 W/m² below \*\*TOPCon 700-750W\*\* median (230.2 W/m²) - needs more roof space - At -0.28%/°C, hot weather performance is typical for \*\*TOPCon 700-750W\*\* panels - Bifacial design (80% factor) captures reflected light - adds 4-12% yield on ground-mount or white roof - #3982 for efficiency, #1309 for temperature performance out of 14005 panels ## Questions ### What is the maximum power output of the Goldi Solar HELOCUS series, and is it suitable for small rooftops? The HELOCUS series reaches up to 715 Wp using N-type TOPCon cells. The high power density means you can harvest more energy from a limited roof area compared to standard PERC modules. This is especially valuable for homeowners with small or partially shaded rooftops where every square meter of available surface directly impacts total system yield. ### What warranty does Goldi Solar provide on the HELOCUS panels? Goldi Solar backs the HELOCUS series with a 12-year product warranty covering manufacturing defects and a 30-year linear power output warranty. The long-term performance guarantee means the panels are expected to retain a defined percentage of their rated power over three decades. Goldi Solar's Tier 1 manufacturer status adds further credibility to these commitments. ### Do HELOCUS bifacial panels truly generate power from both sides, and when does it pay off most? Yes, the glass-glass bifacial construction allows HELOCUS modules to capture albedo light reflected from the ground or roofing membrane. The largest additional yield — up to 10–25% — is achieved in ground-mounted installations with light-colored substrates, white roofing membranes, or snow cover. On a standard dark pitched roof the bifacial gain is smaller but still contributes positively to annual energy production. ### How does the HELOCUS series perform in cloudy weather and low-irradiance conditions typical of Central European climates? N-type TOPCon cells used in the HELOCUS series exhibit lower dark current and superior low-light response compared to PERC modules. In practice, this means higher energy yield on overcast days, which are common in Central European climates, particularly in autumn and winter. TOPCon technology is widely recognized as one of the most effective cell architectures in diffuse-irradiance conditions. ### What does 16BB technology mean in the HELOCUS panels, and why does it matter for module longevity? 16BB refers to 16 busbars per cell, compared to the 3–5 busbars found in older designs. More busbars shorten the current path, reducing resistive losses and dramatically improving resistance to microcracks caused by mechanical stress, thermal cycling, or rough handling during transport and installation. The result is stable long-term power output throughout the full 30-year operational lifespan. ### Are HELOCUS panels suitable for both residential prosumer systems and large-scale PV farms? Yes, the HELOCUS series is designed for both applications. With up to 715 Wp per module and a low temperature coefficient, these panels deliver competitive LCOE for utility-scale farms where annual energy yield per watt is critical. At the same time, the durable glass-glass bifacial construction, TOPCon resistance to LID and LeTID degradation, and a 30-year power warranty make them a compelling long-term investment for demanding residential prosumers. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/GOLDI_Datasheet_GS12-T132-GF-690-Wp-715-Wp_V10-a6802c171239.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [AIKO AIKO-A650-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a650-mae72mw) | 650 W | -50 W, lighter, +2.7 pp | | [AIKO AIKO-A680-MDE72Mw](https://comparepv.com/panel/aiko-aiko-a680-mde72mw) | 680 W | Cooler, lighter, +2.7 pp | | [AIKO AIKO-A675-MDE72Mw](https://comparepv.com/panel/aiko-aiko-a675-mde72mw) | 675 W | -25 W, lighter, +2.5 pp | | [AIKO AIKO-A700-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a700-mae78dw) | 700 W | Cooler, lighter, +2.5 pp | | [AIKO AIKO-A695-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a695-mae78dw) | 695 W | Cooler, lighter, +2.4 pp | | [AIKO AIKO-G670-MCH72Mw](https://comparepv.com/panel/aiko-aiko-g670-mch72mw) | 670 W | -30 W, lighter, +2.3 pp | | [Longi Solar LR7-72HVHF-670M](https://comparepv.com/panel/longi-lr7-72hvhf-670m) | 670 W | -30 W, lighter, +2.3 pp | | [Jinko Solar JKM650-670N-66QL6-BDV (670W class)](https://comparepv.com/panel/jinko-solar-jkm650-670n-66ql6-bdv-670w-class) | 670 W | -30 W, lighter, +2.3 pp | | [Goldi Solar G12 Series 680Wp](https://comparepv.com/panel/goldi-solar-g12-series-680wp) | 680 W | -20 W, cooler, -0.6 pp | | [Goldi Solar G12 Series 685Wp](https://comparepv.com/panel/goldi-solar-g12-series-685wp) | 685 W | -15 W, cooler, -0.5 pp | | [Goldi Solar GS12-T132-GF-690](https://comparepv.com/panel/goldi-solar-gs12-t132-gf-690) | 690 W | -10 W, -0.3 pp | | [Goldi Solar GS12-T132-GF-695](https://comparepv.com/panel/goldi-solar-gs12-t132-gf-695) | 695 W | Very close match | | [Goldi Solar GS12-T132-GF-705](https://comparepv.com/panel/goldi-solar-gs12-t132-gf-705) | 705 W | Very close match | | [AIKO AIKO-A805-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a805-grh78dw) | 805 W | +105 W, cooler, +2.6 pp | | [AIKO AIKO-A800-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a800-grh78dw) | 800 W | +100 W, cooler, +2.4 pp | | [AIKO AIKO-A795-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a795-grh78dw) | 795 W | +95 W, cooler, +2.3 pp | --- Source: https://comparepv.com/panel/goldi-solar-gs12-t132-gf-700 Not in this file, on the page: a thirty-year output simulator, a bifacial gain calculator and alternatives filtered by how closely they match these dimensions.