Log high energy use in a spreadsheet.

Google Sheets lets you create and edit spreadsheets stored on your Google Drive. Turn on Applets to monitor specific cells in your spreadsheets as well create news docs, rows, and cell updates.
Smappee is a device that measures the energy consumption of your electrical appliances with one sensor. If you have solar panels, you can also use Smappee to measure the energy generated. The Smappee app gives you direct insight into your energy consumption, energy costs and the yield of your solar panels. Do it with Smappee, your energy buddy!