Warmth Sharing in Japan Cuts Energy Use

4 01 2013
The Yomiuri Shimbun

Winter cold is not only uncomfortable but also sometimes expensive, and increased power use this time of year adds an extra burden to the already taxed power grid, which is why both the government and ordinary people appear to be willingly adopting “warmth sharing,” or the communal use of warm and toasty places to save electricity.

In addition to saving power and reducing carbon dioxide emissions, two benefits that the Environment Ministry hopes to gain from the movement, the concept can help provide companionship to elderly people living alone and help restaurants boost profits.

The idea was introduced this year as part of the ministry’s “warm biz” campaign to reduce wintertime electricity use.

Warmth sharing at its simplest is having the whole family spend time in a single heated room, while public gatherings can be held in places such as stores or libraries. The most direct method might be plopping oneself in a communal tub of hot water by visiting a public bath or hot spring.

Limited power availability in Hokkaido has prompted the government to ask people to use at least 7 percent less electricity this winter.

In late December in Sapporo, snow fell and temperatures plunged below zero. To weather the chill together, about 90 residents of a condominium in Atsubetsu Ward gathered to make mochi by pounding rice, and also to share warmth.

The condominium has turned off some of the lights in its parking lot and on the streets, but has kept a sidewalk-warming device running to protect the many elderly residents from slipping on icy paths.

“People turn off their home heaters before coming, so it helps save power. We can also make sure our elderly neighbors are OK, killing two birds with one stone,” said Yasuko Motokawa, head of the condo’s resident association.

The Atsubetsu Ward Office has encouraged neighborhood associations and businesses to participate in the warmth sharing movement.

“[Warmth sharing] can save power without too much effort, strengthen neighborhood ties and revitalize businesses. There’s so many good things about it,” said Hiroaki Shiga, chief of the ward office’s general affairs and planning division.

The Sheraton Sapporo Hotel became a warmth-sharer at the request of the ward office.

“We hope it will encourage people to come to our hotel,” said hotel official Kengo Ito.

Prof. Masahiro Horiuchi of Tama Art University in Tokyo heads the Share Map website (sharemap.jp), which provides information about warmth share locations.

More than 5,500 warmth-sharing spots have registered with the website nationwide, including restaurants, bathhouses, and other public facilities.

The site also provides information on facilities with special offers.

For instance, the Tsumugi no Yu public bathhouse run by the town government of Ichikawa-Misato, Yamanashi Prefecture, allows people to stay all day if they tell the reception desk they turned off the heat at home before coming.

The usual charge for three hours is 300 yen for town residents and 400 yen for out-of-towners.

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