Invoice Definitions

Below is an explanation of terms used on EnergyUSA invoices.

Basis Hedge: The established Basis price is added to the monthly NYMEX settlement for a resulting city gate “NYMEX + Basis” price. This is for any remaining Basis MMBtu that hasn’t been “triggered” or “paired” with a “fixed” NYMEX price prior to NYMEX settlement.

Price Trigger: The established Basis price is added to the established or “triggered” NYMEX price for a resulting city gate NYMEX + Basis price for a fixed MMBtu quantity.

Fixed Volume: A Basis and NYMEX price are established at the same time for a fixed MMBtu quantity.

Fixed Volume Index: An established index price for a fixed MMBtu quantity.

Excess Gas: A market area price for gas in excess of any established price agreement.

Shortfall Gas: A market area price to “buy-back” gas.