Bluewater Gas Storage, LLC

Original Volume No. 1

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Effective Date: 12/13/2008, Docket: RP09-75-000, Status: Effective

First Revised Sheet No. 59 First Revised Sheet No. 59

Superseding: Original Sheet No. 59

IB RATE SCHEDULE

INTERRUPTIBLE BALANCING SERVICE

1. AVAILABILITY

This Rate Schedule is available to any Customer for the

purchase of Interruptible balancing service from BLUEWATER,

provided that:

(a) BLUEWATER has determined that it has sufficient

operationally available and uncommitted Interruptible storage

capacity and injection and withdrawal capacity to perform service

Customer has requested;

(b) BLUEWATER has determined that service Customer has

requested will not interfere with efficient operation of its

system or with Higher Priority Service;

(c) Customer and BLUEWATER have executed a Hub Services

Agreement under this Rate Schedule;

(d) Customer accepts responsibility for arranging any

upstream or downstream transportation service and obtaining any

governmental authorizations, licenses or other approvals,

including any import and/or export authorizations, required for

utilization of the balancing service provided under this Rate

Schedule; and

(e) Service under this Rate Schedule may not be

available to the extent that BLUEWATER would be required to

construct, modify, expand or acquire any facilities to enable

BLUEWATER to perform the requested services.

2. APPLICABILITY AND CHARACTER OF SERVICE

This Rate Schedule shall apply to all Interruptible balancing

service rendered by BLUEWATER to Customer through use of

BLUEWATER's storage facility located in Michigan pursuant to an

executed Hub Services Agreement.

Interruptible balancing service rendered by BLUEWATER to

Customer under this Rate Schedule shall consist of the injection,

storage, and withdrawal of quantities of Gas in order to manage

imbalances created by Customer under the Rate Schedules set forth

in this FERC Gas Tariff. Service under this Rate Schedule

includes:

(a) The injection on any Day into storage of Customer's

Gas (less Fuel Reimbursement) up to Customer's Maximum Daily

Injection Quantity ("MDIQ") per Customer's nomination, provided

that all Higher Priority Service nominations for injection have

been satisfied and that Customer has sufficient capacity available

as part of its Interruptible balancing Maximum Storage Quantity to

accommodate the nominated injection quantity.