Energy Market Update: Energy Prices Electric: December 19, 2016 – The PJM Dayton LMP average 12-month strip price $36.942/MWh Natural Gas: December 19, 2016 – NYMEX daily price 3.383/mmBtu Natural Gas: December 19, 2016 – NYMEX average 12-month strip price 3.384/mmBtu