I found out my electric bill had a vampire problem. Electronics were drawing power all night, every night, doing nothing. My TV alone was sipping electricity in standby mode, my game console was warming the room at 3am, and my chargers were burning watts with nothing plugged into them.

The fix was a few smart plugs and about an hour of setup. My bill dropped noticeably the next month.

Find the vampire loads first

Before you buy anything, identify what draws power when idle. The usual suspects: TVs, game consoles, cable boxes, computers, phone chargers, and anything with a standby light. These use power 24 hours a day even when off.

The classic test is the touch test: if a device feels warm while off, it is using power. A cool device is probably fine.

Smart plugs with timers

A smart plug plugs into your wall outlet and lets you control the power to whatever is plugged into it, from your phone or on a schedule. The best feature for saving is the schedule: set the plug to cut power when you are asleep or at work.

My TV setup: the TV, soundbar, and console plug into smart plugs set to power down at midnight and power up at 6pm. Six hours of standby power gone, every day, automatically.

Energy monitoring plugs

Some smart plugs also track how much energy each device uses. This is worth the few extra dollars. You plug one in, wait a week, and the app shows you exactly which device is eating your bill. I found my old desktop computer was drawing 40 watts doing nothing.

Set schedules that match your life

The schedule is where the savings live. Cut power when you sleep and when you are out. If you leave at 8am and return at 6pm, that is ten hours of no standby power on everything on a schedule. For me that was a third of the day, every day.

Do not overdo it. Keep power on for things that need to stay on, like routers and refrigerators. The point is cutting waste, not unplugging your life.

Start with the big three

If you only buy three plugs, put them on the TV, the entertainment system, and the work computer. These are the biggest vampire loads in most homes. The entertainment center in particular, with a TV, soundbar, and console, can idle at 30 to 60 watts combined.

Old fashioned timers still work

If smart plugs feel like too much tech, mechanical outlet timers do the same job for less money. They twist to set on and off times. No app, no Wi-Fi, just a dial. I use one for a space heater in the winter, set to run only during the hours I am home.

My electric bill dropped about eleven percent in the first month. The plugs paid for themselves in a few months, and now the only thing on at midnight is the router, which is exactly how it should be.