Preheat oven to 375°. Wash, dry and poke the potatoes with a fork. Using your hands rub the potatoes with a little oil and sprinkle with sea salt. Place them on a baking sheet and bake for 50-60 minutes or until they are cooked through. Let them sit until cool enough to handle.
Raise the oven temperature to 450°. Cut potatoes in half lengthwise. Using a spoon scoop out the the insides leaving ¼ inch around the inside of the skin.
Melt butter in a microwave safe bowl. Whisk in garlic powder, paprika, salt & parmesan cheese. Brush over both the tops and bottoms of the potato skins.
Using the same baking sheet that you cooked the potatoes on, place in oven for 10 minutes. Flip and bake for another 10 minutes.
Top with shredded cheese and bacon. Return to oven for 5 minutes or until the cheese is melted. Remove and top with green onions/chives and sour cream before serving.