GCL vs Solarspace - Solar Panel Manufacturer Comparison
GCL
China · est. 1990Solarspace
China · est. 2011
Panel models
205
vs
82
Max power
730 W
vs
710 W
Max efficiency
24.06%
vs
23.16%
Bifacial share
60%
vs
93%
At a glance
GCL has the broader catalog (205 vs 82 models). GCL leads on peak efficiency at 24.06%. Solarspace leans bifacial (93% of lineup).
GCL
Website
GCL is a global company focusing on green energy and high-efficiency photovoltaic materials. They are known for their innovation in polysilicon and wafer technologies, with a focus on low-carbon solutions. GCL is committed to building a low-carbon PV value chain and advancing global clean energy transformation.
Headquarters
Suzhou/Hong Kong, China
Founded
1990
Employees
6000+
Production Capacity
30+ GW/year
Tier 1 Bankable
Yes
Solarspace
Website
SolarSpace is a world-leading solar cell and module manufacturer, focusing on high-efficiency solar technology production both in China and overseas. They are among the top solar cell manufacturers, providing high-quality solar modules with core cell technology worldwide. SolarSpace is dedicated to empowering solar...
Headquarters
Xuzhou, China
Founded
2011
Employees
6000+
Production Capacity
60+ GW/year
Tier 1 Bankable
Yes
Stock
-
Side-by-Side Specs
winner + margin shown| Metric |
GCL
|
Solarspace
|
|---|---|---|
| Catalog & Power | ||
| Panel Models | 205 +123 | 82 |
| Max Power | 730 W +20 W | 710 W |
| Avg Power | 552 W +13 W | 539 W |
| Efficiency | ||
| Max Efficiency | 24.06% +0.90 pp | 23.16% |
| Avg Efficiency | 21.83% | 22.04% +0.21 pp |
| Reliability & Warranty | ||
| Avg Temp Coefficient | -0.324%/°C | -0.299%/°C +0.025 |
| Bifacial Share | 124 (60%) | 76 (93%) +32 pp |
| Avg Warranty | 28.1 yrs | 29.6 yrs +1.5 yr |
Top Panels Side-by-Side
Top 10 highest-power models from each brandGCL
| # | Model | Power | Eff. | T.coeff | Tech |
|---|---|---|---|---|---|
| 1 | GCL-NT12/66GDF-730 Bi | 730W | 23.5% | -0.290%/°C | Monocrystalline |
| 2 | NT12/66GDF-730 Bi | 730W | 23.5% | -0.290%/°C | Monocrystalline |
| 3 | GCL-NT12/66GDF 725 Bi | 725W | 23.3% | -0.290%/°C | Monocrystalline |
| 4 | GCL-NT12/66GDF-725 Bi | 725W | 23.3% | -0.290%/°C | Monocrystalline |
| 5 | NT12/66GDF-725 Bi | 725W | 23.3% | -0.290%/°C | Monocrystalline |
| 6 | GCL-NT12/66GDF 720 Bi | 720W | 23.2% | -0.290%/°C | Monocrystalline |
| 7 | GCL-NT12/66GDF-720 Bi | 720W | 23.2% | -0.290%/°C | Monocrystalline |
| 8 | NT12/66GDF-720 Bi | 720W | 23.2% | -0.290%/°C | Monocrystalline |
| 9 | GCL-NH12/66GDF-720 Bi | 720W | 23.2% | -0.240%/°C | Monocrystalline |
| 10 | GCL-NH12/66GDF-715 Bi | 715W | 23.0% | -0.240%/°C | Monocrystalline |
Solarspace
| # | Model | Power | Eff. | T.coeff | Tech |
|---|---|---|---|---|---|
| 1 | SS9-66HD-710N Bi | 710W | 22.9% | -0.290%/°C | Monocrystalline |
| 2 | SS9-66HD-705N Bi | 705W | 22.7% | -0.290%/°C | Monocrystalline |
| 3 | SS9-66HD-700N Bi | 700W | 22.5% | -0.290%/°C | Monocrystalline |
| 4 | SS9-66HD-695N Bi | 695W | 22.4% | -0.290%/°C | Monocrystalline |
| 5 | SS9-66HD-690N Bi | 690W | 22.2% | -0.290%/°C | Monocrystalline |
| 6 | SS9-66HD-685N Bi | 685W | 22.1% | -0.290%/°C | Monocrystalline |
| 7 | SS9-66HD-680N Bi | 680W | 21.9% | -0.290%/°C | Monocrystalline |
| 8 | SS9-66HD-675N Bi | 675W | 21.7% | -0.290%/°C | Monocrystalline |
| 9 | SS9-66HD-670N Bi | 670W | 21.6% | -0.290%/°C | Monocrystalline |
| 10 | SS9-66HD-670M Bi | 670W | 21.6% | -0.330%/°C | Monocrystalline |
Top 10 panels average
Efficiency
23.28%
Temp coeff
-0.280%/°C
Top 10 panels average
Efficiency
22.15%
Temp coeff
-0.294%/°C
Efficiency Distribution
Share of each brand's lineup by efficiency tier
GCL skews to higher efficiency: 20% of lineup is 23%+
Power Distribution
Share of each brand's lineup by rated power range
GCL offers more 600W+ panels (41% of lineup)
GCL Cell Technology
Mix of cell technologies across the portfolio
Dominant cell tech: PERC (36%)
Solarspace Cell Technology
Mix of cell technologies across the portfolio
Dominant cell tech: N-type (70%)
Disclaimer: This comparison is based on our database and may not reflect complete product lineups. Help the community by suggesting missing panels.