Stadia Pro was 10 EUR. So you're not wrong, though it's easily within the margin of error for this ballpark estimate (e.g. I wish I still had 14 hours a week for gaming; the power draw could be off by a factor of two in either direction, ...). And in winter, using power for computing is just a roundabout way of heating your living area, so in a way, it's free. I wonder if increased electricity costs were a factor in shutting down Stadia.
2h average a day playing games
40c/kWh for power
30 * 0.4 * 2 * 0.5 = 12 EUR/month
Stadia Pro was 10 EUR. So you're not wrong, though it's easily within the margin of error for this ballpark estimate (e.g. I wish I still had 14 hours a week for gaming; the power draw could be off by a factor of two in either direction, ...). And in winter, using power for computing is just a roundabout way of heating your living area, so in a way, it's free. I wonder if increased electricity costs were a factor in shutting down Stadia.