Well, if you have solid knowledge and understanding about crypto mining, maybe you could attract someone who will invest in you, but the thing is, building a crypto mining rig will be very difficult. There are a lot of things to consider, including equipment, electricity, internet, and many more, and you have to endure those expenses for quite some time because it doesn't mean that you've started mining means you will earn right away. No, it will take weeks or months, depending on how powerful your mining rig is. You have a fine land; I just want to know what urges you to want to invest in mining. I'm not against mining, but the thing is, it takes a lot of effort, time, and expenses before you can see that you've earned. But if you really want someone to invest in you, Overwhelm them with information and your knowledge about crypto currency and crypto mining.
If you sell electricity to miners, then you do not need to have mining knowledge. You need to indicate to the miner the connection points to the transformer and install electricity meters. And then the miner will independently connect the container on your territory.