Energy-saving Products

The size of direct contribution in reducing CO2 emissions through our energy-saving products in fiscal 2018 was 38.65 million tons due to steady sales of home appliances in overseas, especially air conditioners in China. In the breakdown of the size of contribution in reducing CO2 emissions by global product category, 84% was from air conditioners, lighting equipment, TVs, and refrigerators. By region, Japan, Southeast Asia & Oceania, China & Northeast Asia made up approx.
79%. CO2 emissions from the use of our major products*1 in fiscal 2018 is estimated to be approx. 64.49 million tons. We will continue to further reduce the CO2 emissions from the use of major products by making energy-saving products even more widely available.

Also, improvement in energy efficiency of major consumer electronics by 35% compared to the fiscal 2006 level is our numerical target for fiscal 2019 under our Green Plan 2018. The results for fiscal 2018 marked 44% due to an increase in sales of high energy-saving performance models. The Green Plan 2018 also includes a numerical target for fiscal 2019 to achieve a 75% sales ratio for LED lighting (residential and non-residential buildings), and the fiscal 2018 results marked 77%.

*1 Lifetime CO2 emissions from major products*2 with large amounts of energy use.
Lifetime CO2 emissions = Annual power consumption of a model sold*3 x Sales quantity x Product life*4 x CO2 emission factor*5
*2 Household air conditioners, commercial air conditioners, fluorescent lamps, LED lamps, household refrigerators, commercial refrigerators,
LCD TVs, washing/drying machines, fully-automatic washing machines, clothes dryers, dish washer and dryers, IH cooking heaters, EcoCute,
bathroom ventilator-driers, humidifiers, dehumidifiers, air purifiers, extractor fans, vending machines, electronic rice cookers, microwave ovens,
warm-water washing toilets, clothing irons, hair dryers, under-rug heaters, vacuum cleaners, electric thermal pots, extractor hoods, telephones,
security cameras, projectors, production modulars etc.
*3 For each product category, the model that was sold in the largest quantity in the region was selected.
*4 Number of years during which spare parts for the product are available (defined by Panasonic).
*5 Regional CO2 emission factors (kg-CO2/kWh) used: 0.410 (Japan); 0.487 (Europe); 0.579 (North America); 0.740 (China & Northeast Asia); 0.927 (India & South Asia); 0.527 (Southeast Asia & Oceania); 0.332 (Latin America); and 0.599 (Middle East & Africa).

Size of contribution in reducing CO2 emissions through energy-saving products. Fiscal 2014: 31.76 million tons, fiscal 2015: 32.65 million tons, fiscal 2016: 34.93 million tons, fiscal 2017: 35.70 million tons, and fiscal 2018: 38.65 million tons.
Size of contribution in reducing CO2 emissions through energy-saving products (by product). Air conditioner: 37%, lighting equipment: 18%, LCD TV: 18%, refrigerator: 11%, washing machine: 3%, and others: 13%.
Size of contribution in reducing CO2 emissions through energy-saving products (by region). Japan: 36%, Southeast Asia & Oceania: 22%, China & Northeast Asia: 22%, India, South Asia, Middle East & Africa: 9%, Europe: 7%, Latin America: 2%, and North America: 2%.

Household Air Conditioner

Following the changeover in products for the North European market in 2015, the refrigerant used in room air conditioners for the European market has been changed to low GWP R32 refrigerant. This work was completed in single split air conditioners in 2016 and in multi split air conditioners in 2017. R32 refrigerant is now used for all room air conditioner products for the European market.

Room air conditioner for the European market

Office and Shop Air Conditioner, XEPHY 6 Series

XEPHY 6 series drastically enhanced APF compared with that of conventional X4 series and realized the industry’s top level energy-saving performance by thoroughly improving the efficiency of low load operation of four direction ceiling cassette type indoor units, which accounts for a high sales ratio as office and shop air conditioners and G6 series, which is high performance outdoor units that adopts low GWP R32 refrigerant. The four direction ceiling cassette type indoor units are equipped with "nanoe X", in which the amount of ion emissions that reduce virus, pollens, smells, etc. was massively improved, to enhance comfortability. In addition, newly developed "datanavi" system that utilizes a smartphone’s camera and optical ID transmission enables users to see power consumption and do energy-saving management on their own.
In recognition of realizing these energy-saving performances and comfortability, XEPHY 6 series won the Chairman’s Prize of the Energy Conservation Center (Japan) in the 2017 Energy Conservation Grand Prize.

XEPHY 6 Series


EcoCute is an energy-saving heat pump water heater that boils water using atmospheric heat energy. Its energy consumption is approx. one third that of when using electrical energy only, achieving an outstanding energy-saving performance. Panasonic's JP series equipped with ECONAVI*6 saves energy by a maximum of 35% when keeping bathwater warm. Additionally, its "Nukumori-charge" function, which saves energy when re-boiling water during the night by using the heat of the remaining warm water, reduces the energy used when boiling water to fill a bathtub on the following day by up to approx. 10%. Furthermore, the "Onyoku-select" function lowers the water temperature to the desired temperature without adding water, simultaneously conserving water.

*6 ECONAVI is an intelligent sensor that detects the movement of humans and automatically determines most appropriate operation.

EcoCute JP Series

Absorption Chiller "Energy-Saving Natural Chiller, Type PR"

An absorption chiller refrigerates chilled water by using the heat of vaporization of refrigerant under vacuum without a compressor. It uses water as refrigerant and has less energy consumption due to the use of thermal energy such as waste heat produced from factories and combustion of natural gas as operating power source. It is also an eco-friendly air conditioning equipment and suitable for large-scale facilities including domed stadiums. The advantages of absorption chillers are reducing the peak of electric power load when the cooling load is high; using water as a natural refrigerant; and saving space of outdoor units compared with other air conditioning equipment with the similar capacity.
Energy-Saving Natural Chiller, Type PR cuts down the cooling water flow rate by 35% and power consumption of cooling water pump by 72.5% in comparison with those of the conventional chiller, enabling to reduce power consumption of cooling water pump that consumes large electricity as much as possible. In recognition of realizing energy-saving performances through the whole equipment, the product won the Chairman's Prize of the Energy Conservation Center (Japan) in the 2017 Energy Conservation Grand Prize.

Natural Chiller, Type PR

Blu-ray Disc Recorder "Diga"

Panasonic's Blu-ray disc recorders pursue eco-conscious and energy-saving designs. Standby power consumption of the FY2018 model DMR-BRS530 for Japan is approx. 0.15 W*7. Together with that of during operation, we achieved annual power consumption approx. 14.4 kWh*8. The energy-saving performance of this model is higher than that of the previous model DMR-BRS520. Further energy saving can be automatically achieved by connecting the Blu-ray disc recorders to "Viera", our TVs equipped with ECONAVI that detects unconscious waste of energy. In addition to these energy-saving performances, we achieved downsizing of the equipment (height: 41.5 mm, depth: 179 mm) for resource-saving.

*7 Data using the following settings: Quick start: Off; Energy-saving standby: Mode 2 (clock turned off); Digital terrestrial attenuator: On; BS & 110-degree CS digital broadcasting antenna power: Off; BS & 110-degree CS digital broadcasting antenna output: Off; External connections (LAN & USB): Disconnected.
*8 Annual consumption electric power values were calculated based on JEITA formula, for reference purposes only.

Blu-ray Disc Recorder "Diga" DMR-BRS530

Household Refrigerator

Panasonic's household refrigerators pursue eco-conscious and energy-saving designs.
NR-F603HPX, the FY2018 model for Japan, is equipped with advanced ECONAVI functions. ECONAVI memorizes 3 weeks' worth of the changes in the frequency of door opening and closing and storage amount; then analyzes and predicts the frequency of door opening and closing and the storage amount per day of week and an hour. Based on these results of predicts and usage on the day, it automatically chooses appropriate operation. By detecting the storage amount with lighting and detecting the storage amount in the vegetable compartment with humidity, the operation is finely controlled while appropriately cooling each compartment, and the refrigerator achieved energy saving of approx. 21% in winter and approx. 16% in summer*9. Additionally, "Flat cooling system", a new cooling system that pursues high efficient cooling, and the increase in coverage rate of U-Vacua, a vacuum insulation material, realized further energy saving.

*9 Compared between ON and OFF of ECONAVI operation in type HPX. The percentages are just a reference and a figure is varied depending on such as the ambient temperature and brightness, the frequency of door opening and closing and its timing, the density in compartment, variety, position, and amount of stored food. The power consumption was calculated based on Panasonic's experimental conditions that differ from those calculated based on the Japan Industrial Standards (JIS C 9801-3:2015).

Household refrigerator NR-F603HPX

Home Delivery Box for Apartment – Project: Reduce redelivery in Kyoto (Miyako)

Number of parcels of Home Delivery redelivered in Japan has amounted to approx. 2 million times per day. This indicates that not only the same number of papers used as missed delivery slips increases, but also CO2 is emitted from trucks used for the redelivery; Approx. 1,150 ton per day of CO2 emitted from the redelivery trucks is estimated.*10 With such a background, Home Delivery Box was conceived. The box not only provides a convenient service for the user that the receiver, i.e. user, of a parcel can receive the parcel even when s/he is not at the receiving place, but also contributes to reducing environment loads such as CO2 emission, and the number of papers to be used for the missed delivery slips.
"COMBO-Maison" is a Home Delivery Box for Apartment that Panasonic launched. This box does not require any electrical installation work, nor does it consume electric power even when it is used, as the user can affix a seal and lock the key of the box without using electricity. With this box, municipal members of Kyoto city conducted a demonstration experiment as a part of this "Project: Reduce redelivery in Kyoto (Miyako)" from Nov. 2017 to Jan. 2018. For the experiment, the "COMBO-Maison" boxes were installed at apartments, as well as on campuses, in order to conduct research for redelivery rate. The experiment results show that the redelivery ratio was reduced from 43% to 15%, which is estimated that approx.105kg of CO2 emission was reduced.

*10 Panasonic calculated the value based on the values indicated on the Ministry of Land, Infrastructure, Transport and Tourism's survey in FY2014. 

"COMBO-Maison", Home Delivery Box for Apartment

LED Light iD Series

All-in-one LED Base Light iD Series is a LED light fitting for facilities such as offices, schools, and hospitals, which can be used for spaces in various facilities. 40W 10000lm type, which has been added to the LED lineup since April, 2018, features high efficiency of more than 170lm/W, and realizes approx. 56%*11 of energy saving, comparing with the ratio of Panasonic's conventional fluorescent light fittings with high lumen output. As for the products shipped from Sep. 2016 to March 2017, Panasonic will make a donation of part of their sales profits to KIKOU NETWORK, NPO, and will contribute to further energy-saving activities.

*11 Conditions for the comparison:
In the case of comparison between Fluorescent light fittings Surface mounted type (FHF32W, High output X 3 tube lights) FSA43500A PH9 (The production was discontinued in 2017.), and iD Series High lumen light bar 10000lm Surface mounted type D style Surface mounted XLX400DEN LE2
Room space: 19.2m X 12.8m X Mounting Height: 6.0m
Reflection ratio: Ceiling: 50%, Wall: 30%, Floor: 10%
Maintenance factor: FHF32W: 0.69, iD Series: 0.81

LED Light iD Series

House Ventilation and Air-Conditioning System: Air LOHAS

Air LOHAS is a house ventilation and air-conditioning system with new concept, using Panasonic "dedicated air-conditioner and ventilation system", which is the first commercialized system in industrialized housing industry*12. The Air LOHAS maintains comfortable temperature in the entire house by air conditioning the whole house, utilizing natural energy, i.e. geothermal heat, and enables individual user to set preferable temperature of each room according to own preference*13. With the Air LOHAS, both comfort and energy-saving are realized at the same time, and making the house a Net Zero Energy House (ZEH)*14 is easy.
This Air LOHAS has been equipped as standard equipment in "CASART PREMIUM", a flagship product of detached house since its launch in April in 2017. The Air LOHAS has been rolled out since Aug. 2017, as optional equipment to "CASART" series which feature a seismic vibration control structure with steel shaft assembly. In addition to functions of barrier-free in temperature with even temperature in the house, together with adjusted temperature according to user's preference per room, the Air LOHAS realizes high performance in energy saving by utilizing geothermal energy, high performance thermal insulation for the building, and the like.

*12 The first commercialized system in industrialized housing industry as a whole-house air conditioning system with mounted HEPA filter which removes 99.97% of particles whose particle size is 0.3 micrometer. (Source: Pana Homes Co., Ltd., March, 2017)
One micrometer is equivalent to one thousandth of 1 millimeter.
*13 User is able to set temperatures plus/minus 2 degree Celsius from the temperatures initially set, per room.
*14 Net Zero Energy House: a house whose annual primary energy consumption is zero (net) or almost zero, by improving energy-saving performance in terms of structure and facility of the house, utilizing renewable energy, and the like. ZEH is promoted under Japan's government initiative aiming at realizing ZEH for newly build house as standard by 2020.

CASART Premium Series

Heat-resistant Vacuum Glass

Panasonic has succeeded development and mass production of a heat-resistance vacuum glass which featured with industry's top class heat-resistance performance*15 for its approx. 6mm thinness, by applying technology that Panasonic has retained for developing and manufacturing Plasma Display panel. The glass has realized 0.7(W/m2·K)*16 of its overall heat transfer coefficient (Ug value) with approx. 6mm total thinness, whose heat-resistance performance is higher or equivalent to the triple-pane glass in which argon gas*17 is filled between the panes.
By newly developing a thin gas adsorbent to adsorb gas generated in a vacuum layer, and a low thermal conductivity material which forms approx. 0.1mm space between 2 panes of glass, and the like, Panasonic realized practical use of the Heat-resistant Vacuum Glass with excellent heat-resistance. The Heat-resistant Vacuum Glass developed this time has been delivered as glass for indoor automatic doors for the use of convenience stores or super markets to "Hussman Corp.", in response to the enhanced energy standard set by Department of Energy (DOE) in the US.*18

*15 Top class in Glass Industry, in terms of overall heat transfer coefficient per Heat-resistance Vacuum Glass with approx. 6mm thickness (investigated by Panasonic on Dec. 5, 2017.)
*16 Ug indicates overall heat transfer coefficient per glass, not including window frame, and the like (U value). Overall heat transfer coefficient indicates how easily heat transfers to parts (glass in this case). The less the overall heat transfer coefficient is, the higher its heat-resistance of the parts is.
*17 Argon (Ar) is a stable element as it does not easily react with other element. Because argon's overall heat transfer coefficient is low, high heat-resist performance is realized by filling it between multiple layers of panes.
*18 Regulation concerning energy efficiency by DOE (DOE2017)

Heat-resistant Vacuum Glass

Cloud-based energy analysis tool "SatTool Cloud"

"SatTool Cloud" is a cloud-based software to support advanced Eco-Tuning which is implemented by facility experts. With this software, the administrator is able to easily consolidate necessary data, such as energy consumption of current facilities, and status of air-conditioning facilities, to one graph for analysis from the operational data sent to the database on the cloud, simply by dragging and dropping. With the graph which visualizes correlation of each data, the administrator is able to check whether each facility is operated stably and efficiently without any waste; and in the case of NG, the administrator is able to extract issues from the data. Accordingly, optimum operations of facility equipment and systems are secured, maintaining comfort and productivity.

Energy-creating Products

We actively develop our energy creation business to maximize the size of contribution in reducing CO2 emissions. By delivering photovoltaic power generation systems and household fuel cell cogeneration systems as means to create necessary electricity with few CO2 emissions, we reduce CO2 emissions in society.

The size of direct contribution in reducing CO2 emissions through energy-creating products in fiscal 2018 was 5.22 million tons due to the expansion of global demand for photovoltaic power generation solar panels. By region, Japan accounts for approx. 45%.

Other fiscal 2019 targets under the Green Plan 2018 include achieving 440,000 MWh of total power generation from dissemination of household fuel cells (fiscal 2011 to fiscal 2019), and 5 million MWh of total power generation from dissemination of photovoltaic power generation systems (fiscal 2013 to fiscal 2019). The results of total power generation up to fiscal 2018 were 382,000 MWh from household fuel cells and 4.51 million MWh from photovoltaic power generation systems.

Size of Contribution in Reducing CO2 Emissions through Energy-creating Products. Fiscal 2014: 7.06 million tons, fiscal 2015: 7.34 million tons, fiscal 2016: 4.92 million tons, fiscal 2017: 3.88 million tons, and fiscal 2018: 5.22 million tons.

HIT Photovoltaic Module for House

Panasonic HIT® Photovoltaic Module is featured by high energy conversion efficiency and excellent temperature characteristics with a unique structure of a crystal silicon substrate combined with amorphous silicon films.
"P247αPlus/P252αPlus" is a new HIT® Photovoltaic Module for House that Panasonic launched in 2017, which has excellency also in high temperature characteristics. With this module, larger power generation output is expected from a limited area, as its power generation output per square meter is higher than the output with conventional module, and its output voltage drop is low at the time when temperature becomes high during daytime, because of its unique structure. In addition, its enhanced output has been realized by adopting "Interface Cleaning Technique for Heterojunctions"
Furthermore, it is possible to install the HIT® system for large power output amount on a roof whose shape is complicated, besides conventional hipped roof, by combining half-cut cells and trapezoidal-shape cells of HIT®.

HIT® Module for House
House with HIT® Module

Solar & Wind Powered Streetlight

A Solar & Wind Powered Streetlight converts natural energy from sunlight and wind into electricity using solar panels and a wind turbine generator, and stores the generated electricity in rechargeable batteries (secondary butteries). The streetlight enables stable charging, because it is equipped with a wind turbine generator which supplements the power amount generated on the day with less sunshine hours. During the night, the streetlight illuminates the street with bright and energy-saving LED lamps, utilizing the electrical energy stored in the batteries during the daytime. The streetlight also has a function to change over to the energy-saving mode with dim, after illuminating with full brightness for a certain period from sunset until sunrise. With the function, limited power stored on the batteries are efficiently output.
In this way, the Solar & Wind streetlight utilizes natural energy efficiently; at the same time, because there is no need to worry about its light-out due to power outage, it plays an important role by illuminating local areas as security lighting, or emergency evacuation sites for natural disaster. Moreover, the streetlight model with emergency power source is able to secure power to provide for other devises such as mobile phones, radios, and loudspeakers in case of emergency.

Solar & wind street light

Household Fuel Cell

ENE-FARM Household Fuel Cell is a power generation system featured with high efficiency both in power generation and energy saving. The system generates electricity through electrochemical reactions between hydrogen extracted from methane which is a main component of natural gas, i.e. town gas, and oxygen in the atmosphere; at the same time, boils water by utilizing heat that is generated during the reactions.
In April 2017, Panasonic launched a new household fuel cell ENE-FARM model for LPG, equipped with a newly developed control system suited for LPG characteristics, as well as adopting reforming technology, for the first time as a Panasonic product.
This ENE-FARM is a build-in type system where a back-up heat source equipment is incorporated into a hot water storage unit whose installation is compact, equipped with a resilience function which enables use of electricity even in case of power outage. Moreover, it is equipped with enhanced functions that enable users to feel more comfortable in using the ENE-FARM, e.g. by supporting IoT, each user is able to know statuses of the equipment from any remote location by just connecting to the ENE-FARM via Internet.
These IoT support and enhanced resilience functions have been highly evaluated; as a result, Panasonic jointly won a Special Award in Technology Development field of the "FY2017 Cogeneration Award" hosted by the Advanced Cogeneration and Energy Utilization Center Japan (ACEJ), with 3 companies, i.e. Tokyo Gas Co., Ltd., GASTAR Co.,Ltd. and Noritz Corporation.


Initiatives for Energy-storing Products

Energy-storing products such as lithium-ion batteries can be used in various situations for electric power storage and contribute to CO2 reduction through installation in offices, homes, etc. In addition, our automotive lithium-ion batteries are one of the key devices that help promote the popularization of eco-conscious cars. Panasonic is actively engaged in the development of energy-storing products.

Under our Green Plan 2018, we have set the target as 200% for battery supply demand for increase in automotive battery supply (compared to the fiscal 2015 level). The results up to fiscal 2018 were 178%.

Automotive Lithium-ion Battery

Panasonic is currently reinforcing its rechargeable battery business targets for eco-conscious cars, for which demand is rapidly increasing against a backdrop of the rising awareness of global environmental protection, including the prevention of air pollution and global warming.
Automotive lithium-ion batteries are a major product of our business, and are widely adopted by our global customers. The lineup covers cylindrical and prismatic batteries. We are improving the battery capacity and output in order to extend the driving distance of electric vehicles and plug-in hybrid vehicles, as well as to enhance the acceleration performance of hybrid vehicles. In response to a significant increase in demand, we have now expanded our production sites over three countries-Japan, the U.S., and China.

Prismatic automotive lithium-ion battery

Cylindrical automotive lithium-ion battery

Energy Creation-Storage Linkage System for Houses

Prismatic automotive lithium-ion battery

Energy Creation-Storage Linkage System for Houses, Type R

Energy Creation-Storage Linkage System provides stored energy when needed, and plays an important role in the efficient and stable use of electricity generated through renewable energy such as photovoltaic power generation. With Panasonic's "Energy Creation-Storage Linkage System for Houses, Type R", storage battery can be installed on photovoltaic power generation system later without the replacement of an existing power conditioner, making it possible to easily shift the usage of surplus power from selling to self-sustaining use. Power conversion efficiency of the system is 96.5%, which is 0.5% higher than that of the conventional system, enabling to further efficiently use solar energy. In addition, self-sustaining electricity of the system is 2kVA at a maximum; thus even in case of electricity outage, it is possible to use high-power home appliances such as electric kettles and IH rice cookers without worry.
"Smart Cosmo®", a distribution board for houses with HEMS, has a function as a solar power net adapter that is required in areas where the output of solar-generated electricity is controlled, integrating the composition of photovoltaic power generation system and installation contents that were different depending on areas. Additionally, it enables to simplify the connection between the board and AiSEG®, which is the core equipment of Smart HEMS® that visualizes energy in houses and intelligently controls housing and air-conditioning equipment.
AI-equipped AiSEG2® predicts power generation and power consumption on a following day based on a weather forecast on the previous day. When surplus power is available, it is used for EcoCute, leading to reduce the purchase of electricity.

Energy Creation-Storage Linkage System for Houses, Type R
Smart Cosmo®
AiSEG2® equipped with seven inch functional monitor