Questions › Category: Recycling › How much energy can recycling plastic bottles conserve ? 1 Vote Up Vote Down Joseph Mateen asked 8 years ago 1 Answers 0 Vote Up Vote Down Best Answer Team GreenSutra® Staff answered 8 years ago Majority of the plastic bottles today are made using PET Plastic that is classified with the following symbol. It is estimated that recycling 1 such PET plastic bottle can save conserve sufficient energy to run a 60W bulb for 6 hours. This means, recycling 1 PET Plastic Bottle conserves = 60 Wh of energy.