EXHIBIT 10.25

EXECUTION VERSION

WAIVER AND FOURTH AMENDING AGREEMENT TO
AMENDED AND RESTATED CREDIT AGREEMENT

dated as of October 24, 2014

ALTALINK INVESTMENT MANAGEMENT LTD.,
in its capacity as general partner of
ALTALINK INVESTMENTS, L.P .,

as Borrower,

- and -

ALTALINK INVESTMENT MANAGEMENT LTD.,

as General Partner,

- and -

ROYAL BANK OF CANADA,

as Administrative Agent of the Lenders, and as Lender,

- and -

THE LENDERS PARTY HERETO,

as Lenders

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WAIVER AND FOURTH AMENDING AGREEMENT TO THE AMENDED AND RESTATED CREDIT
AGREEMENT, dated as of October 24, 2014 among AltaLink Investment Management
Ltd., in its capacity as general partner of AltaLink Investments, L.P., as
Borrower, AltaLink Investment Management Ltd., as General Partner, Royal Bank of
Canada, as Agent on behalf of itself as Lender and the other Lenders party
hereto.

RECITALS

WHEREAS AltaLink Investment Management Ltd., in its capacity as general partner
of AltaLink Investments, L.P., as Borrower, Royal Bank of Canada, as Agent on
behalf of itself as Lender and the other Lenders are parties to an Amended and
Restated Credit Agreement made as of December 14, 2011 (as amended by a first
amending agreement dated as of April 27, 2012, a second amending agreement dated
as of December 14, 2012 and a third amending agreement dated as of December 16,
2013, the "Original Credit Agreement");

AND WHEREAS MidAmerican (Alberta) Canada Holdings Corporation is acquiring,
directly or indirectly, all of the issued and outstanding capital in the
Borrower and the General Partner resulting in a Change of Control under the
Original Credit Agreement (the "Berkshire Change of Control");

AND WHEREAS the Borrower has requested that the Lenders waive any Default or
Event of Default arising from the Berkshire Change of Control and the Lenders
have agreed to the provision of such waiver in the manner and on the terms and
conditions provided for herein;

AND WHEREAS the Borrower, the General Partner, the Lenders and the Agent have
agreed to amend certain provisions of the Original Credit Agreement in the
manner and on the terms and conditions provided for herein.

NOW THEREFORE for good and valuable consideration, the receipt and sufficiency
of which is hereby acknowledged, the parties hereto agree as follows:

ARTICLE 1
DEFINITIONS

1.1    Definitions

All capitalized terms not otherwise defined herein shall have the meanings
ascribed thereto in the Original Credit Agreement.

ARTICLE 2
AMENDMENTS

2.1
Amendment to Definitions of Bond Delivery Agreement and Third Supplemental
Indenture. The parties hereto confirm that the definitions of "Bond Delivery
Agreement" and "Third Supplemental Indenture" in the Original Credit Agreement
shall be amended by replacing the references to "dated as of the date hereof' in
such definitions with references to "dated as of December 15, 2010".

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2.2
Amendment to Definition of Change of Control. The parties hereto confirm that
the definition of "Change of Control" in the Original Credit Agreement shall be
amended by replacing the references to "SNC Lavalin Group Inc." and "SNC-Lavalin
Group Inc.", respectively, in parts (c) and (d) of such definition with
references to "Berkshire Hathaway Energy Company".

2.3
Amendment to Section 10.15 - Investments. The parties hereto confirm that
Section 10.15 of the Original Credit Agreement shall be amended so that the
reference to "SNC Lavalin Group Inc." in such Section is replaced with a
reference to "Berkshire Hathaway Energy Company".

2.4
Amendment to Article 10. The parties hereto confirm that Article 10 of the
Original Credit Agreement shall be amended by adding the following new Section
10.26 immediately after Section 10.25 in the Original Credit Agreement:

"10.26 Ratings Confirmation

The Borrower shall furnish to the Agent by no later than 90 days following the
Berkshire Change of Control (as hereafter defined), confirmations from S&P and
DBRS taking into account the direct or indirect acquisition by MidAmerican
(Alberta) Canada Holdings Corporation of the issued and outstanding capital in
the Borrower and the General Partner (the "Berkshire Change of Control") that
the long term public debt rating of the Borrower shall not be lower than BBB- or
BBB(low)."

2.5
Amendment to Section 12.l(c). The parties hereto confirm that Section 12.l(c) of
the Original Credit Agreement shall be amended by: (a) Changing the heading of
such Section to "Default in Certain Covenants"; (b) replacing the word "and" in
the fourth line of part (i) of such Section with a comma; and (c) adding "and
10.26" immediately following "10.23" in part (i) of such Section.

2.6
Amendment to Schedule 9.l(a). The parties hereto confirm that Schedule 9.l(a) in
the Original Credit Agreement is hereby replaced with Schedule 9.l(a) attached
hereto.

ARTICLE 3
WAIVER

3.1    Waiver

Subject to the conditions set forth herein, each of the Lenders agrees to waive
any Default or Event of Default arising under Section 12.1 (m) of the Original
Credit Agreement as a result of the Berkshire Change of Control.

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ARTICLE 4
CONDITIONS PRECEDENT

4.1 Conditions Precedent

This Waiver and Fourth Amending Agreement shall become effective if and when:

(a)
the Agent shall have received this Waiver and Fourth Amending Agreement duly
executed and delivered by the Agent, the Lenders, the Borrower and the General
Partner; and

(b)
the Administrative Agent shall have received notice from the Borrower that the
Berkshire Change of Control shall have been consummated at a date occurring on
or before March 31, 2015,

provided that the effective date of the waiver in Section 3.1 shall be deemed to
be the Business Day immediately prior to the Berkshire Change of Control (so
long as the above conditions have been met).

ARTICLE 5
REPRESENTATIONS AND WARRANTIES

5.1    Representations and Warranties True and Correct;No Default or Event of
Default

The Borrower and General Partner each hereby represents and warrants to the
Agent and the Lenders that after giving effect to this Waiver and Fourth
Amending Agreement, (i) each of the representations and warranties of the
Borrower and the General Partner, as the case may be, contained in the Original
Credit Agreement and each of the other Loan Documents is true and correct on,
and as of the date hereof as if made on such date (except to the extent that
such representation or warranty expressly relates to an earlier date and except
for changes therein expressly permitted or expressly contemplated by the
Original Credit Agreement) and (ii) no event has occurred and is continuing
which constitutes or would constitute a Default or an Event of Default other
than the Berkshire Change of Control.

ARTICLE 6
MISCELLANEOUS

6.1    No Other Amendments, Waivers or Consents

Except as expressly set forth herein, the Original Credit Agreement and all Loan
Documents shall be unmodified and shall continue to be in full force and effect
in accordance with their terms. The execution, delivery and effectiveness of the
waiver and amendments in this Waiver and Fourth Amending Agreement shall not be
deemed to be a waiver of compliance in the future or a waiver of any preceding
or succeeding breach of any covenant or provision of the Original Credit
Agreement except as expressly set out in Section 3. I hereof.

6.2    Time

Time is of the essence in the performance of the parties' respective obligations
in this Waiver and Fourth Amending Agreement.

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6.3    Governing Law

This Waiver and Fourth Amending Agreement is a contract made under and shall be
governed by and construed in accordance with the laws of the Province of Alberta
and the federal laws of Canada applicable therein.

6.4    Successors and Assigns

This Waiver and Fourth Amending Agreement shall enure to the benefit of and be
binding upon the parties hereto and their respective successors and any assigns,
transferees and endorsees of the Agent or any Lender. Nothing in this Waiver and
Fourth Amending Agreement, express or implied, shall give to any Person, other
than the parties hereto and their successors hereunder, any benefit or any legal
or equitable right, remedy or claim under this Waiver and Fourth Amending
Agreement.

6.5    Counterparts

This Waiver and Fourth Amending Agreement may be executed by the parties hereto
in counterparts and may be executed and delivered by facsimile or other
electronic means and all such counterparts and facsimiles shall together
constitute one and the same agreement.

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IN WITNESS OF WHICH the parties hereto have duly executed this Waiver and Fourth
Amending Agreement as of the date set forth on the first page of this Agreement.

 
ALTALINK INVESTMENT
 
 
MANAGEMENT LTD.,

 
 
in its capacity as General Partner of
 
 
ALTALINK INVESTMENTS, L.P.

 
 
 
 
By:
/s/ Robert W. Schmidt
 
 
Name: Robert W. Schmidt
 
 
Title: Vice President, Finance
 

 
ALTALINK INVESTMENT
 
 
MANAGEMENT LTD.,

 
 
 
 
By:
/s/ Robert W. Schmidt
 
 
Name: Robert W. Schmidt
 
 
Title: Vice President, Finance
 

RHC- Altaiink Waiver and Fourth AmendingAgreement to Amended and Restated Credit
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ROYAL BANK OF CANADA,
 
 
as Agent,
 
 
 
 
By:
/s/ Yvonne Bratter
 
 
Name: Yvonne Bratter
 
 
Title: Manager, Agency
 

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ROYAL BANK OF CANADA,
 
 
as Lender
 
 
 
 
By:
/s/ Timothy P. Murray
 
 
Name: Timothy P. Murray
 
 
Title: Authorized Signatory
 
By:
 
 
 
Name:
 
 
Title:
 

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BANK OF MONTREAL,
 
 
as Lender
 
 
 
 
 
 
 
By:
/s/ Jennifer Guo
 
 
Name: Jennifer Guo
 
 
Title: Associate
 
 
 
 
By:
/s/ Carol McDonald
 
 
Name: Carol McDonald
 
 
Title: Vice President
 

RHC- Altaiink Waiver and Fourth AmendingAgreement to Amended and Restated Credit
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ALBERTA TREASURY BRANCHES.
 
 
as Lender
 
 
 
 
 
 
 
By:
/s/ Tim Poole
 
 
Name: Tim Poole
 
 
Title: Senior Director
 
 
 
 
By:
/s/ Trevor Guinard
 
 
Name: Trevor Guinard
 
 
Title: Senior Associate Director
 

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BANK OF NOVA SCOTIA
 
 
as Lender
 
 
 
 
 
 
 
By:
/s/ Bradley Walker
 
 
Name: Bradley Walker
 
 
Title: Director
 
 
 
 
By:
/s/ Mathew Hartnol
 
 
Name: Mathew Hartnoli
 
 
Title: Associate Director
 

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NATIONAL BANK OF CANADA
 
 
as Lender
 
 
 
 
 
 
 
By:
/s/ John Niedermier
 
 
Name: John Niedermier
 
 
Title: Authorized Signatory
 
 
 
 
By:
/s/ Elin Ingolfsson
 
 
Name: Elin Ingolfsson
 
 
Title: Authorized Signatory
 

RHC- Altaiink Waiver and Fourth AmendingAgreement to Amended and Restated Credit
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