Energy
What your own consumption could have saved
Download your hourly (or 15-minute) consumption from your grid operator, upload it here, and see what it cost at the real auction prices, how well you already time it, and what shifting part of it or a battery would have saved.
Hourly or 15-minute kWh, as exported by your grid operator or data hub.
Your file is processed in memory and not stored.
Energy part of the bill only, at the day-ahead price; taxes, grid fees and margin are left out. Savings are in hindsight on each day's prices: estimates, not a promise.