So if the data center usage was so low as to seem like a minor leak, then how unusual was this usage? You can't have it both ways. Either the usage was unusual, causing pressure drops for customers, or it was small enough to be ignored until someone had time to track it down.
The space requirements for the solar farm would make it difficult to build it near the data center. So you'll need to upgrade the grid. We have needed to upgrade the grid for the last 50 years, but no one has wanted to pay for it. The more we delay, the more expensive the grid upgrade becomes.
Physical or mental skills require additional practice outside of the classroom to become even mildly proficient. Without proficiency, you might be able to succeed, but it's going to slow you down as you continue to make "beginner" mistakes.