Panasonic to Push New Solar Cell Modules and Outdoor PV Inverters
October 03 00:01:44, 2025
Panasonic recently introduced new solar cell modules and power conditioners, with the order placed on June 23, 2014. The company highlighted that these products are designed for high conversion efficiency and significant annual energy output, making them ideal for residential and commercial use.
One of the key products is the "HIT 244α" solar module, which boosts the conversion efficiency from 18.7% to 19%, with a maximum output of 244W—up from 240W in the previous model. This improvement was achieved by using low-reflection glass that minimizes light reflection. The suggested retail price is 135,000 yen (excluding tax).
Another model, the "HIT 250α," is also available upon request. It improves on the existing product by increasing the conversion efficiency from 19.1% to 19.5%, with a maximum output of 250W—up from 245W. In addition to the improvements made in the HIT 244α, this model also incorporates technology that reduces resistance loss, further enhancing efficiency. The suggested retail price is 163,000 yen (excluding tax).
Compared to traditional crystalline silicon solar cells, Panasonic’s HIT technology exhibits better temperature performance, maintaining higher output even at elevated temperatures. For example, the HIT 244α, with a maximum output of 244W, is expected to generate around 286.9 kWh annually. To achieve the same output, a typical crystalline silicon module would need about 262W.
The annual power generation figures were calculated based on the Photovoltaic Power Association’s (JPEA) "Display of Related Industry Autonomy Rules (2012)." The calculation assumes a module installation in Chuo-ku, Osaka City, with a 30-degree tilt and a 5% loss due to the power conditioner.
The new power conditioner, the "VBPC246B," is an outdoor model with a rated output of 4.6 kW. One of its standout features is the inclusion of four maximum power point tracking (MPPT) circuits, offering greater flexibility compared to other models that typically have only two or three. This allows for more efficient energy harvesting across different panel configurations. The suggested retail price is 410,000 yen (excluding tax).
The VBPC246B has a rated power conversion efficiency of 96%, placing it among the most efficient outdoor power conditioners in the industry. Even at lower output levels, such as 1 kW, the efficiency remains around 96%, ensuring high performance during cloudy or rainy conditions. This contributes to increased annual energy production.
Additionally, this model follows the previously launched outdoor power conditioner with a maximum output of 5.9 kW, which also uses SiC diodes to improve performance and reliability.
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