本研究は、エネルギー使用の見える化を無料で提供する「でんき家計簿」サービスに注目して、「でんき家計簿」の省エネ行動誘導効果の測定をおこなった。
分析結果より、「でんき家計簿」登録者は未登録者と比べ環境関心度が高く、さらに日常的にエネルギーの削減努力をおこなっていることがわかった。「でんき家計簿」の登録により省エネを心がけるようになったのは3割程度で、実際エネルギー使用量の削減が実現できたたのは登録者全体の19%程度であり、その効果は限定的である。
他方、「でんき家計簿」をよく見ている登録者の過半数はエネルギー使用量が減少していることから、一定の省エネ行動誘導効果はあったと考えられる。
This research focuses on “Denki-Kakeibo,” which provides a visualization of energy consumption as a free service on the TEPCO home page aimed at measuring its energy-saving behavior-inducing effect.
The results of the analysis showed that consumers who registered with Denki-Kakeibo were highly interested in environmental issues and were generally making an effort to reduce energy consumption.Approximately 30% of registrants managed to keep energy conservation in mind after registration. However, among them, not all registrants could realize energy reduction. Only 19% of registrants could reduce energy consumption, and it can be concluded that the effort associated with Denki-Kakeibo is restrictive.
On the other hand, it is very important to note that, as a result of this research, a majority of registrants who looked into Denki-Kakeibo carefully could reduce energy consumption; therefore, a certain level of energy-saving behavior-promotion effect can be expected from it.