Exhibit 24.3

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned officer or director of Kinder Morgan, Inc., a Delaware corporation (the “Corporation”), in connection with the registration by the Corporation of the purchase obligation offered by the Corporation with respect to the Corporation’s mandatory or optional purchase in limited circumstances of shares representing limited liability company interests issued by Kinder Morgan Management, LLC, hereby constitutes and appoints Joseph Listengart and C. Park Shaper, and each of them (with full power to each of them to act alone), the undersigned’s true and lawful attorney-in-fact and agent, for the undersigned and on the undersigned’s behalf and in the undersigned’s name, place and stead, in any and all capacities, to sign, execute and file with the Securities and Exchange Commission the Corporation’s Registration Statement on Form S-3 (or other appropriate form), together with all amendments thereto, with all exhibits and any and all documents required to be filed with respect thereto with any regulatory authority, granting unto said attorneys, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises in order to effectuate the same as fully to all intents and purposes as the undersigned might or could do if personally present, hereby ratifying and confirming all that said attorneys-in-fact and agents, or either of them, may lawfully do or cause to be done by virtue thereof.

IN WITNESS WHEREOF, the undersigned has hereto signed this power of attorney this 17th day of February, 2012.

/s/ Henry Cornell

Henry Cornell

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned officer or director of Kinder Morgan, Inc., a Delaware corporation (the “Corporation”), in connection with the registration by the Corporation of the purchase obligation offered by the Corporation with respect to the Corporation’s mandatory or optional purchase in limited circumstances of shares representing limited liability company interests issued by Kinder Morgan Management, LLC, hereby constitutes and appoints Joseph Listengart and C. Park Shaper, and each of them (with full power to each of them to act alone), the undersigned’s true and lawful attorney-in-fact and agent, for the undersigned and on the undersigned’s behalf and in the undersigned’s name, place and stead, in any and all capacities, to sign, execute and file with the Securities and Exchange Commission the Corporation’s Registration Statement on Form S-3 (or other appropriate form), together with all amendments thereto, with all exhibits and any and all documents required to be filed with respect thereto with any regulatory authority, granting unto said attorneys, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises in order to effectuate the same as fully to all intents and purposes as the undersigned might or could do if personally present, hereby ratifying and confirming all that said attorneys-in-fact and agents, or either of them, may lawfully do or cause to be done by virtue thereof.

IN WITNESS WHEREOF, the undersigned has hereto signed this power of attorney this 29th day of February, 2012.

/s/ Steven J. Kean

Steven J. Kean

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned officer or director of Kinder Morgan, Inc., a Delaware corporation (the “Corporation”), in connection with the registration by the Corporation of the purchase obligation offered by the Corporation with respect to the Corporation’s mandatory or optional purchase in limited circumstances of shares representing limited liability company interests issued by Kinder Morgan Management, LLC, hereby constitutes and appoints Joseph Listengart and C. Park Shaper, and each of them (with full power to each of them to act alone), the undersigned’s true and lawful attorney-in-fact and agent, for the undersigned and on the undersigned’s behalf and in the undersigned’s name, place and stead, in any and all capacities, to sign, execute and file with the Securities and Exchange Commission the Corporation’s Registration Statement on Form S-3 (or other appropriate form), together with all amendments thereto, with all exhibits and any and all documents required to be filed with respect thereto with any regulatory authority, granting unto said attorneys, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises in order to effectuate the same as fully to all intents and purposes as the undersigned might or could do if personally present, hereby ratifying and confirming all that said attorneys-in-fact and agents, or either of them, may lawfully do or cause to be done by virtue thereof.

IN WITNESS WHEREOF, the undersigned has hereto signed this power of attorney this 17th day of February, 2012.

/s/ Deborah Macdonald

Deborah Macdonald

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned officer or director of Kinder Morgan, Inc., a Delaware corporation (the “Corporation”), in connection with the registration by the Corporation of the purchase obligation offered by the Corporation with respect to the Corporation’s mandatory or optional purchase in limited circumstances of shares representing limited liability company interests issued by Kinder Morgan Management, LLC, hereby constitutes and appoints Joseph Listengart and C. Park Shaper, and each of them (with full power to each of them to act alone), the undersigned’s true and lawful attorney-in-fact and agent, for the undersigned and on the undersigned’s behalf and in the undersigned’s name, place and stead, in any and all capacities, to sign, execute and file with the Securities and Exchange Commission the Corporation’s Registration Statement on Form S-3 (or other appropriate form), together with all amendments thereto, with all exhibits and any and all documents required to be filed with respect thereto with any regulatory authority, granting unto said attorneys, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises in order to effectuate the same as fully to all intents and purposes as the undersigned might or could do if personally present, hereby ratifying and confirming all that said attorneys-in-fact and agents, or either of them, may lawfully do or cause to be done by virtue thereof.

IN WITNESS WHEREOF, the undersigned has hereto signed this power of attorney this 20th day of February, 2012.

/s/ Michael Miller

Michael Miller

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned officer or director of Kinder Morgan, Inc., a Delaware corporation (the “Corporation”), in connection with the registration by the Corporation of the purchase obligation offered by the Corporation with respect to the Corporation’s mandatory or optional purchase in limited circumstances of shares representing limited liability company interests issued by Kinder Morgan Management, LLC, hereby constitutes and appoints Joseph Listengart and C. Park Shaper, and each of them (with full power to each of them to act alone), the undersigned’s true and lawful attorney-in-fact and agent, for the undersigned and on the undersigned’s behalf and in the undersigned’s name, place and stead, in any and all capacities, to sign, execute and file with the Securities and Exchange Commission the Corporation’s Registration Statement on Form S-3 (or other appropriate form), together with all amendments thereto, with all exhibits and any and all documents required to be filed with respect thereto with any regulatory authority, granting unto said attorneys, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises in order to effectuate the same as fully to all intents and purposes as the undersigned might or could do if personally present, hereby ratifying and confirming all that said attorneys-in-fact and agents, or either of them, may lawfully do or cause to be done by virtue thereof.

IN WITNESS WHEREOF, the undersigned has hereto signed this power of attorney this 20th day of February, 2012.

/s/ Michael C. Morgan

Michael C. Morgan

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned officer or director of Kinder Morgan, Inc., a Delaware corporation (the “Corporation”), in connection with the registration by the Corporation of the purchase obligation offered by the Corporation with respect to the Corporation’s mandatory or optional purchase in limited circumstances of shares representing limited liability company interests issued by Kinder Morgan Management, LLC, hereby constitutes and appoints Joseph Listengart and C. Park Shaper, and each of them (with full power to each of them to act alone), the undersigned’s true and lawful attorney-in-fact and agent, for the undersigned and on the undersigned’s behalf and in the undersigned’s name, place and stead, in any and all capacities, to sign, execute and file with the Securities and Exchange Commission the Corporation’s Registration Statement on Form S-3 (or other appropriate form), together with all amendments thereto, with all exhibits and any and all documents required to be filed with respect thereto with any regulatory authority, granting unto said attorneys, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises in order to effectuate the same as fully to all intents and purposes as the undersigned might or could do if personally present, hereby ratifying and confirming all that said attorneys-in-fact and agents, or either of them, may lawfully do or cause to be done by virtue thereof.

IN WITNESS WHEREOF, the undersigned has hereto signed this power of attorney this 27th day of February, 2012.

/s/ Kenneth A. Pontarelli

Kenneth A. Pontarelli

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned officer or director of Kinder Morgan, Inc., a Delaware corporation (the “Corporation”), in connection with the registration by the Corporation of the purchase obligation offered by the Corporation with respect to the Corporation’s mandatory or optional purchase in limited circumstances of shares representing limited liability company interests issued by Kinder Morgan Management, LLC, hereby constitutes and appoints Joseph Listengart and C. Park Shaper, and each of them (with full power to each of them to act alone), the undersigned’s true and lawful attorney-in-fact and agent, for the undersigned and on the undersigned’s behalf and in the undersigned’s name, place and stead, in any and all capacities, to sign, execute and file with the Securities and Exchange Commission the Corporation’s Registration Statement on Form S-3 (or other appropriate form), together with all amendments thereto, with all exhibits and any and all documents required to be filed with respect thereto with any regulatory authority, granting unto said attorneys, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises in order to effectuate the same as fully to all intents and purposes as the undersigned might or could do if personally present, hereby ratifying and confirming all that said attorneys-in-fact and agents, or either of them, may lawfully do or cause to be done by virtue thereof.

IN WITNESS WHEREOF, the undersigned has hereto signed this power of attorney this 22nd day of February, 2012.

/s/ Fayez Sarofim

Fayez Sarofim

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned officer or director of Kinder Morgan, Inc., a Delaware corporation (the “Corporation”), in connection with the registration by the Corporation of the purchase obligation offered by the Corporation with respect to the Corporation’s mandatory or optional purchase in limited circumstances of shares representing limited liability company interests issued by Kinder Morgan Management, LLC, hereby constitutes and appoints Joseph Listengart and C. Park Shaper, and each of them (with full power to each of them to act alone), the undersigned’s true and lawful attorney-in-fact and agent, for the undersigned and on the undersigned’s behalf and in the undersigned’s name, place and stead, in any and all capacities, to sign, execute and file with the Securities and Exchange Commission the Corporation’s Registration Statement on Form S-3 (or other appropriate form), together with all amendments thereto, with all exhibits and any and all documents required to be filed with respect thereto with any regulatory authority, granting unto said attorneys, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises in order to effectuate the same as fully to all intents and purposes as the undersigned might or could do if personally present, hereby ratifying and confirming all that said attorneys-in-fact and agents, or either of them, may lawfully do or cause to be done by virtue thereof.

IN WITNESS WHEREOF, the undersigned has hereto signed this power of attorney this 22nd day of February, 2012.

/s/ C. Park Shaper

C. Park Shaper

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned officer or director of Kinder Morgan, Inc., a Delaware corporation (the “Corporation”), in connection with the registration by the Corporation of the purchase obligation offered by the Corporation with respect to the Corporation’s mandatory or optional purchase in limited circumstances of shares representing limited liability company interests issued by Kinder Morgan Management, LLC, hereby constitutes and appoints Joseph Listengart and C. Park Shaper, and each of them (with full power to each of them to act alone), the undersigned’s true and lawful attorney-in-fact and agent, for the undersigned and on the undersigned’s behalf and in the undersigned’s name, place and stead, in any and all capacities, to sign, execute and file with the Securities and Exchange Commission the Corporation’s Registration Statement on Form S-3 (or other appropriate form), together with all amendments thereto, with all exhibits and any and all documents required to be filed with respect thereto with any regulatory authority, granting unto said attorneys, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises in order to effectuate the same as fully to all intents and purposes as the undersigned might or could do if personally present, hereby ratifying and confirming all that said attorneys-in-fact and agents, or either of them, may lawfully do or cause to be done by virtue thereof.

IN WITNESS WHEREOF, the undersigned has hereto signed this power of attorney this 17th day of February, 2012.

/s/ Joel V. Staff

Joel V. Staff

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned officer or director of Kinder Morgan, Inc., a Delaware corporation (the “Corporation”), in connection with the registration by the Corporation of the purchase obligation offered by the Corporation with respect to the Corporation’s mandatory or optional purchase in limited circumstances of shares representing limited liability company interests issued by Kinder Morgan Management, LLC, hereby constitutes and appoints Joseph Listengart and C. Park Shaper, and each of them (with full power to each of them to act alone), the undersigned’s true and lawful attorney-in-fact and agent, for the undersigned and on the undersigned’s behalf and in the undersigned’s name, place and stead, in any and all capacities, to sign, execute and file with the Securities and Exchange Commission the Corporation’s Registration Statement on Form S-3 (or other appropriate form), together with all amendments thereto, with all exhibits and any and all documents required to be filed with respect thereto with any regulatory authority, granting unto said attorneys, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises in order to effectuate the same as fully to all intents and purposes as the undersigned might or could do if personally present, hereby ratifying and confirming all that said attorneys-in-fact and agents, or either of them, may lawfully do or cause to be done by virtue thereof.

IN WITNESS WHEREOF, the undersigned has hereto signed this power of attorney this 21st day of February, 2012.

/s/ Glenn A. Youngkin

Glenn A. Youngkin