Electricity bill: how a glass of water in the oven reduces your energy consumption

Electricity bill: what if a simple glass of water placed in your oven could reduce your energy consumption? This little-known tip is creating a buzz on social media and intriguing many households. While household appliances like the oven can consume up to 1.5 kWh per hour, this technique promises to limit expenses without giving up cooking. Here is what lies behind this surprising gesture.