QUES: For example a sugar company that generates electricity at a sugar refinery using bagasse can send excess power to its offices in Kingston to avoid paying high electricity bills there but cannot sell electricity to another entity

correct the punctuation.

CORRECTED: For example, a sugar company that generates electricity at a sugar refinery using bagasse can send excess power to its offices in Kingston to avoid paying high electricity bills there, but cannot sell electricity to another entity.

QUES: At some airports including Helsinki Oulu and Stockholm Arlanda the machine will also print your bag tags

correct the punctuation.

CORRECTED: At some airports, including Helsinki, Oulu and Stockholm Arlanda, the machine will also print your bag tags.

QUES: Slaughtercalves from dairy cows organic

correct the punctuation.

CORRECTED:
Slaughtercalves from dairy cows, organic