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