虹夕諾雅輕井澤 | 不過度依賴化石燃料自給能源過冬

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不過度依賴化石燃料自給能源過冬

在寒冷的輕井澤，通常需用燈油供暖來抵禦冬日嚴寒。在虹夕諾雅則是引進供暖系統，利用湧出溫泉的這塊土地的地熱，實現不再依賴化石燃料的冬天。

虹夕諾雅輕井澤的前身「星野溫泉旅館」，開業不久後於1917年成功實現水車發電，並在1929年成功實現水力發電，目前仍由設施用地內的發電廠供電。

「EIMY(Energy in my yard)」是指「自己要用的能源盡可能在自有場所內生產」的思維。透過水力發電和地熱利用系統等，達到70%的能源自給率。

流經山谷村落的河流，為位於下游的水力發電廠發揮調整池的作用。還創造出潺潺溪流環繞的水邊景色。