Summary of the "Survey on Estimation of Carbon Dioxide Emissions from Households"

Summary of the "Survey on Estimation of Carbon Dioxide Emissions from Households"
Kazuya Matsuo · Saturday, November 2016, 11
The other day, Atsushi Murakami introduced
Produced by the Ministry of the Environment
"Survey on the actual situation regarding the estimation of carbon dioxide emissions from households"
I finished reading it.
https://www.env.go.jp/earth/ondanka…
The actual surveys on energy consumption in ordinary households that I have seen so far
I think this was the most detailed data available.
I have given lectures all over the country, but still, people don't understand.
I was able to learn a lot of new things.
This is just an excerpt, but to summarise it, it looks like this:
・2% of household CO7 emissions come from electricity
・When compared per household, apartment buildings emit only about half the amount of CO2 as detached houses.
Up until age 60, we consume more energy as we get older.
It decreases after age 60
・The amount of gasoline used per household for automobiles in apartment buildings is about half that of detached houses.
・CO1 emissions in January were overwhelmingly higher (almost double those in August)
・Apartments require significantly less heating energy (about 1/3 of that required for a detached house)
・Electricity consumption in apartment buildings is about half that of detached houses.
・When it comes to city gas usage, apartment buildings use slightly more than detached houses.
・In terms of kerosene usage, detached houses consume about five times as much as apartment buildings.
- Annual automobile fuel costs are 10.1 yen for detached houses and 5.0 yen for apartment buildings, for an average of 7.8 yen.
The most commonly used heating appliance in detached houses is kerosene stoves at 35.6%, followed by air conditioners at 25.5%.
The most commonly used heating appliance in apartment buildings is the air conditioner at 33.8%, followed by the electric carpet kotatsu at 25.2%.
The average number of air conditioners in a detached house is 2.8, while in an apartment building it is 1.5.
The rate of solar power generation installations in detached houses is 12.1%, and 2011% for new houses built after 31.3.
・The average capacity of solar power generation is 4.5kW
・CO2 emissions by region are highest in Hokuriku, surpassing Hokkaido. Conversely, the Kanto-Koshinetsu region has the lowest emissions. Hokkaido and the Chugoku region are also bad, while Tokai, Kinki, Kyushu, and Okinawa are good.
・Hokuriku has the worst CO2 emissions from automobile fuels. Kanto, Koshinetsu and Kinki have very low emissions.
The highest proportion of apartment buildings is in Okinawa at 53%, followed by the Kanto-Koshinetsu region at 52%, and the lowest in Hokuriku at XNUMX%.
The average number of people per household in a detached house is 2.90, while in an apartment building it is 1.96.
・Hokuriku has the largest number of households
The average floor area of a detached house is 130.8 m39.56 (59.2 tsubo), while that of an apartment building is 17.9 mXNUMX (XNUMX tsubo).
・The total floor area by region is highest in Hokuriku at 135.6㎡, and lowest in Okinawa at 87.0㎡
As I put all this together, the uniqueness of the Hokuriku region became clear. I was in Kanazawa until yesterday, and it's cold and there's little sunshine. Furthermore, the ratio of detached houses is high, and families are large. And people own many cars, and drive quite far... that's how it seems. On a per capita basis, it doesn't seem so bad.