I might be a bit late with my reply...

I like orange and ginger carrots as a side dish (serves 4)
2-3 carrots, cut into sticks
juice of 2 oranges
1/2 t ground ginger
1T butter
salt and pepper to taste

Add everything to a microwave dish and cook until the carrots are tender. Can be good to stir it once or twice during cooking to coat the carrots in the juice.

Apart from that, the Sunkist website seems to have lots of recipes (you can select "oranges" in their search menu to narrow the search).

If you've juiced lots of them, perhaps you could freeze them as sorbet or popsicles.