Northern Natural Gas Company
Fifth Revised Volume No. 1
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Effective Date: 02/25/2006, Docket: RP06-185-000, Status: Effective
Original Sheet No. 201C Original Sheet No. 201C : Effective
General Terms & Conditions
TABLE OF CONTENTS (Continued)
Section Subject Page
53B PERIODIC RATE ADJUSTMENT (PRA) - ELECTRIC
COMPRESSION POWER COSTS 302
o Purpose And Applicability 302
o Definitions 302
o Methodology - Market Area And Field Area Electric
Compression Commodity Rates 302
o Effective Date 302
o True-Up Mechanism 302
o PRA Filing 302A
54 DISCOUNTING 303
o Order Of Discounts 303
o Types Of Discounts 303
55 OFF-SYSTEM SERVICES 304
56 SEGMENTATION OF CAPACITY 305
o Market Area 305
o Field Area 305A
57 PENALTY AND DDVC REVENUE CREDITING MECHANISM 306
o Crediting Mechanism 306
o Allocation Method 306
1. Daily Delivery Variance Charges And Curtailment
Penalty 306
2. Receipt Point And Supply Shortfall And Excess
Penalties 306
3. Carlton Penalty 306
4. Unauthorized Gas 306
5. PDD Rollover Charge 306
58 CROSS-REFERENCE FOR TARIFF-PERMITTED
PROVISIONS IN SERVICE AGREEMENTS 308