I've had smart plugs for a while now, but always wondered what would happen if I set them up to take devices off-grid when they are in standby. After measuring my appliances in the office and the living room, I came to the conclusion that they actually do save me over $165/year, but not without some caveats.
VOLTCRAFT SEM6000 Energy Cost Meter (Europe Only): https://geni.us/JgXbAq
Other things mentioned 💬
Avera Swiss Household Electricity Usage: https://www.axpo.com/ch/en/knowledge/power-market-switzerland.html
XBOX Power Consumption Data: https://support.xbox.com/en-US/help/hardware-network/power/learn-about-power-modes