I'd never use a tumble dry for just two of us. My electricity usage is very low. Now if a large family or business, then yes, I'd consider it.
When I lived in the US, My US mother was not happy I wanted to hang laundry out on a Sunday (we lived on an 'A' road). But I refused to put my clothing in the tumble dryer any more, as I learnt from living over HERE that knicker elastic lasted longer, bra elastic and shape, too. Also towels are thirstier, vs tumble dried with fabric softener. Sheets, pillow cases? Haven't ironed a sheet since polyester came out. Clothes went on the line according to the weather not mother. I love the fresh smell of line dried things.
Here I have a city courtyard garden, so I have two or three drying racks. Shirts go onto coat hangars on the long window curtain rail on he SW side to get the sun, they dry mostly ready to wear or little ironing needed.
The rest gets fitted onto the racks packed tight by to allow air through. I am amazed at how much laundry you can peg onto a couple of good drying racks. Inside or out... and it's easier to drag a couple of racks inside with clothes on them if it rains vs having to dash out and unpeg them all and bring in to...erm, put on airing racks.
Burnham: Is the Media Tempting Fate by Jumping the Gun?


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but we already knew that!