Exhibit 99.6

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a Statement on Schedule 13D (including additional amendments thereto) with respect to the common shares, no par value, of TransAlta Corporation. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.

November 9, 2023	BROOKFIELD CORPORATION
	By:	/s/ Swati Mandava
		Name: Swati Mandava
		Title: Managing Director, Legal and Regulatory
	BAM PARTNERS TRUST, by its trustee, BAM CLASS B PARTNERS INC.
	By:	/s/ Kathy Sarpash
		Name: Kathy Sarpash
		Title: Secretary
	EAGLE CANADA COMMON HOLDINGS LP, by its general partner BIF IV CDN SPLIT LP, by its general partner BIF IV CDN GP LP, by its general partner BIF IV CDN GP LTD.
	By:	/s/ Adrienne Moore
		Name: Adrienne Moore
		Title: Vice President
	BIF IV EAGLE NR CARRY LP, by its general partner BIF IV LTIP CANADA SPLITTER LP, by its general partner BIF IV CDN SPLIT LP, by its general partner BIF IV CDN GP LP, by its general partner BIF IV CDN GP LTD.
	By:	/s/ Adrienne Moore
		Name: Adrienne Moore
		Title: Vice President
	BIF IV LTIP CANADA SPLITTER LP, by its general partner BIF IV CDN SPLIT LP, by its general partner BIF IV CDN GP LP, by its general partner BIF IV CDN GP LTD.
	By:	/s/ Adrienne Moore
		Name: Adrienne Moore
		Title: Vice President
	BIF IV CDN SPLIT LP, by its general partner BIF IV CDN GP LP, by its general partner BIF IV CDN GP LTD.
	By:	/s/ Adrienne Moore
		Name: Adrienne Moore
		Title: Vice President
	BIF IV CDN GP LP, by its general partner BIF IV CDN GP LTD.
	By:	/s/ Adrienne Moore
		Name: Adrienne Moore
		Title: Vice President

BIF IV CDN GP LTD.
By:	/s/ Adrienne Moore
	Name: Adrienne Moore
	Title: Vice President
BROOKFIELD INFRASTRUCTURE GROUP LIMITED
By:	/s/ Carl Ching
	Name: Carl Ching
	Title: Senior Vice President
BIG TIMBER HOLDINGS L.P., by its general partner BROOKFIELD INFRASTRUCTURE GROUP LIMITED
By:	/s/ Carl Ching
	Name: Carl Ching
	Title: Senior Vice President

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