The delivery price for natural gas varies according to the annual consumption level. The classification is based on the consumption expressed in terajoules (TJ): - Small to medium consumers (1 - < 10 TJ, or 28,433 - < 284,333 m3) - Large consumers (10 - < 100 TJ, or 284,333 - < 2,843,332 m3) - Very large consumers (100 - < 1,000 TJ, or 2,843,332 - < 28,433,324 m3) Back to article