省電費累計：台幣2,600圓+100圓=2,700圓
https://tw.news.yahoo.com/%E9%8C%AF%E8%AA%A4-%E5%8F%B0%E7%81%A3%E6%B3%95%E5%AE%98%E9%BC%93%E5%8B%B5%E7%8A%AF%E7%BD%AA-%E8%B6
https://news.ltn.com.tw/news/society/paper/1652288
https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=https://n.yam.com/Article/20240704574625&a
https://tw.news.yahoo.com/%E5%8D%B0%E5%BA%A6%E5%AE%98%E5%93%A1%E8%B5%B4%E5%BB%A0%E8%AA%BF%E6%9F%A5-%E8%AD%89%E6%98%8E%E9%B4%