Thinking about giving Solar some pyrokinesis. Does anyone think he's ok with the ability he has now?

Pyro-abilities are a bit over-used, but I think it could work. Cool idea.

As Tak said, some pyrokinesis is kind of overused. But seeing as all you're really working with is a 'giant solar panel,' as you so eloquently put it, I think something like that could work quite well.

Or you could have him use the energy to shine direct sun light in someones face blinding them.

Opinion:
Yes, although I agree that Pyro-Kinesis is very overused, two of my characters using it themselves, I find that as a cool idea, since it's practially a "Living Solar Panel"
Suggestion:
You could (as long as you give it a different name) Take Dawn the Echidna, the Elemental Echidna of Sol (AKA Sunlight)'s ability called Shining Radiance, which, when used under direct sunlight, gives him a power boost and allows others around him to recover from wounds as severe as a broken arm. In undirect sunlight, it allows them to recover from wounds up to a sprain, twist, or pull in a bone or ligament. It's still a powerful move.
If you use Shining Radiance, here are some move name suggestions:
1) Solar Refresher
2) Brilliant Recovery
That's all I have for you.