@ mom to five:
Depending on what you pay for electricity, you might consider changing the bulbs to energy-saving light bulbs or even LED.
I'm down to 792kWh annualy (average in Germany is 1798 kWh for a single person household*), even though my espresso machine works overtime.
At nearly 25 ct per kWh (0.34 USD), that amounts to 309€ (416 USD) I got back from my electricity company.
Money saving goals for today:
I have listed todays drive home (600km) on some ride-sharing platforms. Unfortunately, no calls yet (quite unusual, as normally I have at least one, often up to 3 people travelling in my car.) Each ride-sharer would subsidize my cost by 35€.
If I don't find someone until departure, I'll drive slower to save gas.
*In case you are confused as to why I state a single-person houshold while being married: I got university admission in a town 600km from where my wife works. Not an optimal situation, but as the army pays my rent for the next three years, it could be worse. Of course, we're looking for a job for my wife here in Berlin. That would save us a lot of time and the taxpayer a lot of money.
Until then, I'm going to work on improving my wife's electricity consumption also. Still some gains to be had there.