NATURAL GAS-NBP-DAY AHEAD INDEX-HEREN definition
NATURAL GAS-NBP-DAY AHEAD INDEX-HEREN means that the price for a relevant date will be that day's Specified Price per therm of natural gas for delivery on the Delivery Date, stated in pence, published under the heading "Heren® NBP Day-Ahead Index" in the issue of European Spot Gas Markets by Heren Energy Ltd. that reports prices effective on that relevant date.