Centerpoint Energy - Mississippi River

Third Revised Volume No. 1

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Effective Date: 01/01/1995, Docket: TM95-4-25-000, Status: Effective

First Revised Sheet No. 214 First Revised Sheet No. 214 : Effective

Superseding: Sub Original Sheet No. 214

GENERAL TERMS AND CONDITIONS

(Continued)

17. INTERRUPTIBLE REVENUE CREDITING MECHANISM (Continued)

(ii) the Base Interruptible Cost of Service allocated

to service under Rate Schedules ITS and ISS and AOS. Base

Interruptible Cost of Service shall reflect all fixed costs

allocated to ITS and ISS and AOS services in Section 4 or 5

rate proceedings before the Commission and GSR costs and

other transition costs allocated to ITS, ISS and AOS service

pursuant to Sections 16.3 and 16.4 herein. When the base

tariff rates under Rate Schedules ITS and ISS and AOS

services change during Interruptible Revenue Credit

Accumulation Periods, the annual fixed costs allocated to

interruptible service shall be the weighted annual fixed

costs allocated to interruptible service. The weighted

annual fixed costs allocated to interruptible service shall

be the sum of the products of multiplying the annual fixed

costs allocated to interruptible service for each set of

interruptible rates by a fraction, the numerator of which is

the number of days the rates were in effect during such

period and the denominator of which is the number of days in

the Interruptible Revenue Credit Accumulation Period.

(b) Separate Excess Revenue amounts shall be computed for

Rate Schedule ITS and ISS services and AOS services, and applied

to Rate Schedules FTS and SCT and Rate Schedule FSS services,

respectively, as appropriate.

(c) In the event costs set forth in Section 17.3 exceed

the interruptible revenues received, such negative balance shall

be carried forward to offset revenues in subsequent periods.