If you want to install the latest EcoCute and boil hot water at a low cost, you can also use Smart Lease.

What is Kyuden Smart Lease?

IHクッキングヒーター、エコキュート、太陽光発電、蓄電池等のオール電化機器をリースでご利用いただけるサービスです。

What are the benefits of replacing an electric water heater?

By using an EcoCute, you can save so much on your utility bills!

Comparison of utility costs between electric water heaters and EcoCute

Model case of a four-person family

エコキュートにすると

ひと月なんと!

6,700円(税込)/月

もおトクに!

エコキュートにすると

ひと月なんと!

6,700円(税込)/月

もおトクに!

Click here for calculation conditions etc.

電気温水器とエコキュートの給湯に要する光熱費比較モデルケース(4人家族の場合)

・Electric water heater/usage 460kWh/month

・Ecocute/Usage: 140kWh/month

  • Hot water load: 18GJ/year monthly average

試算条件

電気温水器、エコキュート
電化でナイト・セレクト(2024年4月1日実施)電力量料金(夜間)

  1. The estimate does not include Base charge, but includes the equivalent of consumption tax, Adjustments for fuel costs, etc. (May 2025: 2.10 yen/kWh) and Renewable Energy Generation Promotion Surcharge (FY2025: 3.98 yen/kWh).
  2. This estimate is based on estimated conditions, and actual utility costs will vary depending on factors such as region, equipment efficiency, usage conditions, fuel cost adjustments, and raw material cost adjustments.
  3. This does not include the amount of electricity used or the fees for using electric hot water heaters or eco-cute to boil water during the day.

Contact us

インターネットからのお問い合わせ

Service Area

Fukuoka Prefecture, Saga Prefecture, Nagasaki Prefecture, Oita Prefecture, Kumamoto Prefecture, Miyazaki Prefecture, Kagoshima Prefecture (excluding remote islands)

Other proposal examples
Smart lease proposal

九電スマートリースでは、お客さまのお悩みやご要望に応じて様々なご提案が可能です。ここでは代表的な事例をご紹介します。

I want to go all-electric

I want to go all-electric to consolidate my utility bills.

#IH cooking heater #EcoCute

I want to reduce my monthly electricity bill

I want to install solar power in my home to reduce my monthly electricity bills.

#Solar power generation #Storage battery

Ten years have passed since the installation of the solar power generation system, but we want to use the generated electricity effectively.

I generate electricity from solar panels, but the selling price has fallen so I would like to use it at home instead of selling it.

#Batteries