Remember the comment was from someone in Europe, where air conditioning is much less common.

You can see some hourly prices in Denmark here: https://andelenergi.dk/el/timepris/ — it's often cheaper in the middle of the day.

You can see the production mix here, and the gas is reduced to near-zero when the sun shines: https://app.electricitymaps.com/zone/DK-DK1