What about UPS?
The mod is event-driven, so it does not scan every tick. It only updates the hidden power system when powered tiles are placed, mined, changed, or when the rebuild command is used.
By default it uses 1×1 exact tile coverage, so it keeps the original feel where power only exists on the powered concrete tiles. That is accurate, but very large powered floors can still create a lot of hidden connectors.
For bigger bases or servers, I added a startup setting called “Powered concrete connector grid size”. Setting it to 4 or 8 groups powered floor coverage into larger cells and can greatly reduce the amount of hidden connector entities, which should be better for UPS. The trade-off is that it becomes less exact than 1×1 mode.
So:
1 = exact tile-by-tile, default
4 = better UPS for large bases
8 = best for huge bases/servers, but less exact
I’ll keep looking for more ways to improve UPS without breaking the tile-based behaviour.