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- Energy efficiency
Contribution in reducing CO2 emissions through energy-saving products
In fiscal 2012, we aimed to increase the size of contribution in reducing CO2 emissions through energy-saving products to 32 million tons. Thanks to the positive flow-on effects from the eco-point incentive program implemented by the government in Japan, as well as the initiative put forward by the Chinese government to promote the replacement of used home appliances, we successfully exceeded our target by increasing the size of contribution in reducing CO2 emissions through energy-saving products to 35.05 million tons.
On an individual global product basis, our air conditioners and TVs accounted for 76% of the contribution in reducing CO2 emissions. By region, Japan and China, as well as other parts of Asia Pacific accounted for 73% of the contribution in reducing CO2 emissions through energy-saving products.
In addition to enhancing the energy-saving performance of our products, we have been promoting the development of ECONAVI products since fiscal 2010. ECONAVI is a sensor technology that enables consumer electronics equipped with this function to automatically find ways to reduce energy waste and conserve power. As of April 2012, 21 Panasonic product lines for sale in Japan were equipped with the ECONAVI function (compared to 16 as of March 2011). We have also begun to equip products sold in Asia with ECONAVI. In addition, with stand-by power regulations being strengthened, we have reached 0.5 W or less in standby power for 295 of our models by April 2012 globally. We will continue to develop and disseminate energy-saving products, and aim to have 34.85 million tons of contribution in reducing CO2 emissions through energy-saving products in fiscal 2013.
Examples of No.1 energy-saving products
- Air Conditioner
By improving the design of the indoor unit to increase the total length of the fan and heat exchanger and also by improving the blast performance through a shape change of the outdoor fan, our CS-X282C model for Japan achieved an improvement in the APF*1 by 0.3 points compared to our fiscal 2011 model. This air conditioner is equipped with our ECONAVI function, which senses the presence of people and objects and sends air mainly to the places where people are. It also runs in an energy-saving manner by sensing changes in the sunlight.
In addition, the installation of the “Ene-Charge System,” which stores extra energy from the compressor and uses it for heating, enables heating even during defrost mode and provides a higher temperature at the start of the “warm air” mode.
- *1 APF: Annual Performance Factor.
Energy-Saving Performance Annual Performance Factor:
FY2011 Model: 6.7 (CS-X281C)
FY2012 Model: 7.0 (CS-X282C)
Using our inverter control compressors and internal LED lighting, we reduced the annual power consumption of NRBY602X- S, a model of a refrigerator for the Thai market, by 25% compared with our fiscal 2007 model and achieved 460.63 kWh while increasing storage capacity. As a result, our technology obtained the highest level (Level 5) of Thailand’s EGAT.*2
In addition, this refrigerator is equipped with our energysaving ECONAVI function with four sensors to operate according to lifestyle patterns.
- *2 EGAT: The Electricity Generating Authority of Thailand.
Energy-Saving Performance Annual Power Consumption:
FY2007 Model: 616.85 kWh (NR-B41M1 / Capacity: 405.5 liters)
FY2012 Model: 460.63 kWh (NR-BY602X-S / Capacity: 546.0 liters)
- Blu-ray Disc Recorder
The DMR-BRT220 model for Japan has achieved an annual power consumption of 18.9 kWh, which is the lowest in the industry.*3 Without the use of the quick start function and the clock display, the power consumed during the standby mode can be further minimized to about 0.02 W.
The product met the criteria for Eco Mark products in all 14 items, including resource saving and recycling-oriented design, and became the first Eco Mark product in the industry in April 2012.
- *3 As of February 7, 2012 (surveyed by Panasonic).
Annual power consumption (reference values calculated based on the JEITA standards)
FY2007 model: 81.5 kWh (DMR-BR100)
FY2012 model: 18.9 kWh (DMR-BRT220)
- LED lighting
Security lighting plays important roles, in helping prevent crime on the streets, and in use at people’s homes, and because they are used in great numbers and for long hours during the night, the improvement of their energy conservation performance was deemed very important.
Focusing on the fact that the human eye increases sensitivity to short wavelength light in darker places, we have developed our Akalumina, a new security LED light, to contain a higher proportion of short wavelength light to give a sense of higher brightness level even with the same luminance and power consumption. As a result, the amount of electricity consumed by Akalumina LED lights is about 60% less than conventional fluorescent security lights.
The Akalumina light received the Chairman’s Prize from the ECCJ in the products and business models category at the Energy Conservation Grand Prizes held in January 2012.
FY2010 model: 22 W (Fluorescent light FL20)
FY2012 model: 8.4 W (LED light replacing FL20)
Akalumina security LED light (replacing FL20)
Also, Panasonic LED lights (1,995 in total) are used in all the lighting equipment for Tokyo Sky Tree, the world’ s tallest tower (as of November 17, 2011), which opened in May 2012. The unique technologies for light distribution design and high-precision color reproduction by Panasonic contribute to the artistic lighting of the tower. LED lighting ensures durability and safety for use under severe conditions at high altitude, and the use of LED for the entire tower has significantly reduced power consumption.
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