20230810Certificate No. 542.pdf

CERTIFICATE NO. 542 1

BEFORE THE IDAHO PUBLIC UTILITIES COMMISSION

IN THE MATTER OF IDAHO POWER
COMPANY’S APPLICATION FOR A
CERTIFICATE OF PUBLIC CONVENIENCE
AND NECESSITY FOR THE BOARDMAN
TO HEMINGWAY 500-KV TRANSMISSION
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CASE NO. IPC-E-23-01

CERTIFICATE NO. 542

IT IS HEREBY CERTIFIED that public convenience and necessity requires and will
require Idaho Power Company to construct a 300-mile long, overhead 500-kV high voltage
transmission line between the proposed Longhorn Station near Boardman, Oregon, to the existing
Hemingway Substation in southwest, Idaho. More specifically, the project requires 298 miles of
single-circuit 500-kV transmission line, removal of 12 miles of existing 69-kV transmission line,
rebuilding of 0.9 mile of 230-kV transmission line, and rebuilding of 1.1 miles of an existing 138-
kV transmission line into a new right-of-way; to exercise all rights and privileges which have been
granted to said Idaho Power Company, its successors and assigns by any franchise or permit
conferred or hereafter conferred upon said Idaho Power Company, its successors and assigns by
any city or village or by any county or by the State of Idaho or by any political subdivision thereof.
This certificate is predicated upon and issued pursuant to the findings and order of this
Commission, the same being Order No. 35838 in the above entitled matter made and entered on
the 30th day of June, 2023.
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CERTIFICATE NO. 542 2
DATED at Boise, Idaho, this 10th day of August 2023.

ERIC ANDERSON, PRESIDENT

JOHN R. HAMMOND JR., COMMISSIONER

EDWARD LODGE, COMMISSIONER
ATTEST:

Jan Noriyuki
Commission Secretary

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