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Revolving Credit Facilities, Lines Of Credit, Short-Term Borrowings, And Long-Term Debt (Tables)
3 Months Ended
Mar. 31, 2021
Summary Of The Borrowings Outstanding And Capacity Available Under The Facility Following is a summary of the borrowings outstanding and capacity available under the facility as of March 31, 2021.
Capacity BorrowingsLetters
of Credit
Capacity
Available
(In Millions)
$3,500$55$6$3,439
Uncommitted Standby Letter of Credit Facilities to Support MISO Obligations [Table Text Block] Following is a summary of the uncommitted standby letter of credit facilities as of March 31, 2021:
CompanyAmount of
Uncommitted Facility
Letter of Credit FeeMISO Letters of Credit
Issued as of
March 31, 2021 (a) (b)
Entergy Arkansas$25 million0.78%$1 million
Entergy Louisiana$125 million 0.78%$12.8 million
Entergy Mississippi$65 million0.78%$1 million
Entergy New Orleans$15 million1.00%$2 million
Entergy Texas$50 million0.70%$30.2 million

(a)As of March 31, 2021, letters of credit posted with MISO covered financial transmission rights exposure of $0.4 million for Entergy Arkansas, $0.2 million for Entergy Louisiana, $0.4 million for Entergy Mississippi, and $0.1 million for Entergy New Orleans. See Note 8 to the financial statements herein for discussion of financial transmission rights.
(b)As of March 31, 2021, in addition to the $1 million MISO letter of credit, Entergy Mississippi has $1 million of non-MISO letters of credit outstanding under this facility.
Short-Term Borrowings And The Outstanding Short-Term Borrowings The following were the FERC-authorized limits for short-term borrowings and the outstanding short-term borrowings as of March 31, 2021 (aggregating both internal and external short-term borrowings) for the Registrant Subsidiaries:
 AuthorizedBorrowings
 (In Millions)
Entergy Arkansas$250$—
Entergy Louisiana $450 $—
Entergy Mississippi$175$—
Entergy New Orleans$150$25
Entergy Texas$200$31
System Energy$200$—
Issuance Of Commercial Paper To Finance Acquisition And Ownership Of Nuclear Fuel To finance the acquisition and ownership of nuclear fuel, the nuclear fuel company VIEs have credit facilities and three of the four VIEs have commercial paper programs in place. Following is a summary as of March 31, 2021:
CompanyExpiration
Date
Amount
of
Facility
Weighted
 Average Interest
 Rate on
 Borrowings (a)
Amount
Outstanding as of
March 31, 2021
(Dollars in Millions)
Entergy Arkansas VIESeptember 2022$801.26%$4.8
Entergy Louisiana River Bend VIESeptember 2022$1051.24%$70.5
Entergy Louisiana Waterford VIESeptember 2022$1051.25%$73.2
System Energy VIESeptember 2022$1201.23%$63.4

(a)Includes letter of credit fees and bank fronting fees on commercial paper issuances, if any, by the nuclear fuel company variable interest entities for Entergy Arkansas, Entergy Louisiana, and System Energy. The nuclear fuel company variable interest entity for Entergy Louisiana River Bend does not issue commercial paper, but borrows directly on its bank credit facility.
Notes Payable By Variable Interest Entities
The nuclear fuel company variable interest entities had notes payable that were included in debt on the respective balance sheets as of March 31, 2021 as follows:
CompanyDescriptionAmount
Entergy Arkansas VIE
3.65% Series L due July 2021
$90 million
Entergy Arkansas VIE
3.17% Series M due December 2023
$40 million
Entergy Louisiana River Bend VIE
2.51% Series V due June 2027
$70 million
Entergy Louisiana Waterford VIE
3.22% Series I due December 2023
$20 million
System Energy VIE
2.05% Series K due September 2027
$90 million
Book Value And The Fair Value Of Long-Term Debt
The book value and the fair value of long-term debt for Entergy Corporation and the Registrant Subsidiaries as of March 31, 2021 were as follows:
Book Value
of Long-Term Debt
Fair Value
of Long-Term Debt (a)
(In Thousands)
Entergy$24,704,475 $25,716,967 
Entergy Arkansas$3,958,751 $4,126,514 
Entergy Louisiana$10,059,885 $10,681,713 
Entergy Mississippi$1,981,429 $2,084,891 
Entergy New Orleans$642,412 $584,475 
Entergy Texas$2,465,827 $2,545,973 
System Energy$768,969 $785,758 

(a)Fair values were classified as Level 2 in the fair value hierarchy discussed in Note 8 to the financial statements herein.

The book value and the fair value of long-term debt for Entergy Corporation and the Registrant Subsidiaries as of December 31, 2020 were as follows:
Book Value
of Long-Term Debt
Fair Value
of Long-Term Debt (a)
(In Thousands)
Entergy$22,369,776 $24,813,818 
Entergy Arkansas$3,967,507 $4,355,632 
Entergy Louisiana$9,027,451 $10,258,294 
Entergy Mississippi$1,780,577 $2,021,432 
Entergy New Orleans$642,233 $620,634 
Entergy Texas$2,493,708 $2,765,193 
System Energy$805,274 $840,540 

(a)Fair values were classified as Level 2 in the fair value hierarchy discussed in Note 8 to the financial statements herein.
Entergy Arkansas [Member]  
Summary Of The Borrowings Outstanding And Capacity Available Under The Facility
Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, and Entergy Texas each had credit facilities available as of March 31, 2021 as follows:
CompanyExpiration
Date
Amount of
Facility
Interest Rate (a)Amount Drawn
as of
March 31, 2021
Letters of Credit
Outstanding as of
March 31, 2021
Entergy ArkansasApril 2022$25 million (b)2.75%$—$—
Entergy ArkansasSeptember 2024$150 million (c)1.21%$—$—
Entergy LouisianaSeptember 2024$350 million (c)1.21%$—$—
Entergy MississippiApril 2022$37.5 million (d)1.58%$—$—
Entergy MississippiApril 2022$35 million (d)1.58%$—$—
Entergy MississippiApril 2022$10 million (d)1.58%$—$—
Entergy New OrleansNovember 2021$25 million (c)1.36%$—$—
Entergy TexasSeptember 2024$150 million (c)1.58%$—$1.3 million

(a)The interest rate is the estimated interest rate as of March 31, 2021 that would have been applied to outstanding borrowings under the facility.
(b)Borrowings under the Entergy Arkansas credit facility may be secured by a security interest in its accounts receivable at Entergy Arkansas’s option.
(c)The credit facility includes fronting commitments for the issuance of letters of credit against a portion of the borrowing capacity of the facility as follows: $5 million for Entergy Arkansas; $15 million for Entergy Louisiana; $10 million for Entergy New Orleans; and $30 million for Entergy Texas.
(d)Borrowings under the Entergy Mississippi credit facilities may be secured by a security interest in its accounts receivable at Entergy Mississippi’s option.
Uncommitted Standby Letter of Credit Facilities to Support MISO Obligations [Table Text Block] Following is a summary of the uncommitted standby letter of credit facilities as of March 31, 2021:
CompanyAmount of
Uncommitted Facility
Letter of Credit FeeMISO Letters of Credit
Issued as of
March 31, 2021 (a) (b)
Entergy Arkansas$25 million0.78%$1 million
Entergy Louisiana$125 million 0.78%$12.8 million
Entergy Mississippi$65 million0.78%$1 million
Entergy New Orleans$15 million1.00%$2 million
Entergy Texas$50 million0.70%$30.2 million

(a)As of March 31, 2021, letters of credit posted with MISO covered financial transmission rights exposure of $0.4 million for Entergy Arkansas, $0.2 million for Entergy Louisiana, $0.4 million for Entergy Mississippi, and $0.1 million for Entergy New Orleans. See Note 8 to the financial statements herein for discussion of financial transmission rights.
(b)As of March 31, 2021, in addition to the $1 million MISO letter of credit, Entergy Mississippi has $1 million of non-MISO letters of credit outstanding under this facility.
Short-Term Borrowings And The Outstanding Short-Term Borrowings The following were the FERC-authorized limits for short-term borrowings and the outstanding short-term borrowings as of March 31, 2021 (aggregating both internal and external short-term borrowings) for the Registrant Subsidiaries:
 AuthorizedBorrowings
 (In Millions)
Entergy Arkansas$250$—
Entergy Louisiana $450 $—
Entergy Mississippi$175$—
Entergy New Orleans$150$25
Entergy Texas$200$31
System Energy$200$—
Issuance Of Commercial Paper To Finance Acquisition And Ownership Of Nuclear Fuel To finance the acquisition and ownership of nuclear fuel, the nuclear fuel company VIEs have credit facilities and three of the four VIEs have commercial paper programs in place. Following is a summary as of March 31, 2021:
CompanyExpiration
Date
Amount
of
Facility
Weighted
 Average Interest
 Rate on
 Borrowings (a)
Amount
Outstanding as of
March 31, 2021
(Dollars in Millions)
Entergy Arkansas VIESeptember 2022$801.26%$4.8
Entergy Louisiana River Bend VIESeptember 2022$1051.24%$70.5
Entergy Louisiana Waterford VIESeptember 2022$1051.25%$73.2
System Energy VIESeptember 2022$1201.23%$63.4

(a)Includes letter of credit fees and bank fronting fees on commercial paper issuances, if any, by the nuclear fuel company variable interest entities for Entergy Arkansas, Entergy Louisiana, and System Energy. The nuclear fuel company variable interest entity for Entergy Louisiana River Bend does not issue commercial paper, but borrows directly on its bank credit facility.
Notes Payable By Variable Interest Entities
The nuclear fuel company variable interest entities had notes payable that were included in debt on the respective balance sheets as of March 31, 2021 as follows:
CompanyDescriptionAmount
Entergy Arkansas VIE
3.65% Series L due July 2021
$90 million
Entergy Arkansas VIE
3.17% Series M due December 2023
$40 million
Entergy Louisiana River Bend VIE
2.51% Series V due June 2027
$70 million
Entergy Louisiana Waterford VIE
3.22% Series I due December 2023
$20 million
System Energy VIE
2.05% Series K due September 2027
$90 million
Book Value And The Fair Value Of Long-Term Debt
The book value and the fair value of long-term debt for Entergy Corporation and the Registrant Subsidiaries as of March 31, 2021 were as follows:
Book Value
of Long-Term Debt
Fair Value
of Long-Term Debt (a)
(In Thousands)
Entergy$24,704,475 $25,716,967 
Entergy Arkansas$3,958,751 $4,126,514 
Entergy Louisiana$10,059,885 $10,681,713 
Entergy Mississippi$1,981,429 $2,084,891 
Entergy New Orleans$642,412 $584,475 
Entergy Texas$2,465,827 $2,545,973 
System Energy$768,969 $785,758 

(a)Fair values were classified as Level 2 in the fair value hierarchy discussed in Note 8 to the financial statements herein.

The book value and the fair value of long-term debt for Entergy Corporation and the Registrant Subsidiaries as of December 31, 2020 were as follows:
Book Value
of Long-Term Debt
Fair Value
of Long-Term Debt (a)
(In Thousands)
Entergy$22,369,776 $24,813,818 
Entergy Arkansas$3,967,507 $4,355,632 
Entergy Louisiana$9,027,451 $10,258,294 
Entergy Mississippi$1,780,577 $2,021,432 
Entergy New Orleans$642,233 $620,634 
Entergy Texas$2,493,708 $2,765,193 
System Energy$805,274 $840,540 

(a)Fair values were classified as Level 2 in the fair value hierarchy discussed in Note 8 to the financial statements herein.
Entergy Louisiana [Member]  
Summary Of The Borrowings Outstanding And Capacity Available Under The Facility
Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, and Entergy Texas each had credit facilities available as of March 31, 2021 as follows:
CompanyExpiration
Date
Amount of
Facility
Interest Rate (a)Amount Drawn
as of
March 31, 2021
Letters of Credit
Outstanding as of
March 31, 2021
Entergy ArkansasApril 2022$25 million (b)2.75%$—$—
Entergy ArkansasSeptember 2024$150 million (c)1.21%$—$—
Entergy LouisianaSeptember 2024$350 million (c)1.21%$—$—
Entergy MississippiApril 2022$37.5 million (d)1.58%$—$—
Entergy MississippiApril 2022$35 million (d)1.58%$—$—
Entergy MississippiApril 2022$10 million (d)1.58%$—$—
Entergy New OrleansNovember 2021$25 million (c)1.36%$—$—
Entergy TexasSeptember 2024$150 million (c)1.58%$—$1.3 million

(a)The interest rate is the estimated interest rate as of March 31, 2021 that would have been applied to outstanding borrowings under the facility.
(b)Borrowings under the Entergy Arkansas credit facility may be secured by a security interest in its accounts receivable at Entergy Arkansas’s option.
(c)The credit facility includes fronting commitments for the issuance of letters of credit against a portion of the borrowing capacity of the facility as follows: $5 million for Entergy Arkansas; $15 million for Entergy Louisiana; $10 million for Entergy New Orleans; and $30 million for Entergy Texas.
(d)Borrowings under the Entergy Mississippi credit facilities may be secured by a security interest in its accounts receivable at Entergy Mississippi’s option.
Uncommitted Standby Letter of Credit Facilities to Support MISO Obligations [Table Text Block] Following is a summary of the uncommitted standby letter of credit facilities as of March 31, 2021:
CompanyAmount of
Uncommitted Facility
Letter of Credit FeeMISO Letters of Credit
Issued as of
March 31, 2021 (a) (b)
Entergy Arkansas$25 million0.78%$1 million
Entergy Louisiana$125 million 0.78%$12.8 million
Entergy Mississippi$65 million0.78%$1 million
Entergy New Orleans$15 million1.00%$2 million
Entergy Texas$50 million0.70%$30.2 million

(a)As of March 31, 2021, letters of credit posted with MISO covered financial transmission rights exposure of $0.4 million for Entergy Arkansas, $0.2 million for Entergy Louisiana, $0.4 million for Entergy Mississippi, and $0.1 million for Entergy New Orleans. See Note 8 to the financial statements herein for discussion of financial transmission rights.
(b)As of March 31, 2021, in addition to the $1 million MISO letter of credit, Entergy Mississippi has $1 million of non-MISO letters of credit outstanding under this facility.
Short-Term Borrowings And The Outstanding Short-Term Borrowings The following were the FERC-authorized limits for short-term borrowings and the outstanding short-term borrowings as of March 31, 2021 (aggregating both internal and external short-term borrowings) for the Registrant Subsidiaries:
 AuthorizedBorrowings
 (In Millions)
Entergy Arkansas$250$—
Entergy Louisiana $450 $—
Entergy Mississippi$175$—
Entergy New Orleans$150$25
Entergy Texas$200$31
System Energy$200$—
Issuance Of Commercial Paper To Finance Acquisition And Ownership Of Nuclear Fuel To finance the acquisition and ownership of nuclear fuel, the nuclear fuel company VIEs have credit facilities and three of the four VIEs have commercial paper programs in place. Following is a summary as of March 31, 2021:
CompanyExpiration
Date
Amount
of
Facility
Weighted
 Average Interest
 Rate on
 Borrowings (a)
Amount
Outstanding as of
March 31, 2021
(Dollars in Millions)
Entergy Arkansas VIESeptember 2022$801.26%$4.8
Entergy Louisiana River Bend VIESeptember 2022$1051.24%$70.5
Entergy Louisiana Waterford VIESeptember 2022$1051.25%$73.2
System Energy VIESeptember 2022$1201.23%$63.4

(a)Includes letter of credit fees and bank fronting fees on commercial paper issuances, if any, by the nuclear fuel company variable interest entities for Entergy Arkansas, Entergy Louisiana, and System Energy. The nuclear fuel company variable interest entity for Entergy Louisiana River Bend does not issue commercial paper, but borrows directly on its bank credit facility.
Notes Payable By Variable Interest Entities
The nuclear fuel company variable interest entities had notes payable that were included in debt on the respective balance sheets as of March 31, 2021 as follows:
CompanyDescriptionAmount
Entergy Arkansas VIE
3.65% Series L due July 2021
$90 million
Entergy Arkansas VIE
3.17% Series M due December 2023
$40 million
Entergy Louisiana River Bend VIE
2.51% Series V due June 2027
$70 million
Entergy Louisiana Waterford VIE
3.22% Series I due December 2023
$20 million
System Energy VIE
2.05% Series K due September 2027
$90 million
Book Value And The Fair Value Of Long-Term Debt
The book value and the fair value of long-term debt for Entergy Corporation and the Registrant Subsidiaries as of March 31, 2021 were as follows:
Book Value
of Long-Term Debt
Fair Value
of Long-Term Debt (a)
(In Thousands)
Entergy$24,704,475 $25,716,967 
Entergy Arkansas$3,958,751 $4,126,514 
Entergy Louisiana$10,059,885 $10,681,713 
Entergy Mississippi$1,981,429 $2,084,891 
Entergy New Orleans$642,412 $584,475 
Entergy Texas$2,465,827 $2,545,973 
System Energy$768,969 $785,758 

(a)Fair values were classified as Level 2 in the fair value hierarchy discussed in Note 8 to the financial statements herein.

The book value and the fair value of long-term debt for Entergy Corporation and the Registrant Subsidiaries as of December 31, 2020 were as follows:
Book Value
of Long-Term Debt
Fair Value
of Long-Term Debt (a)
(In Thousands)
Entergy$22,369,776 $24,813,818 
Entergy Arkansas$3,967,507 $4,355,632 
Entergy Louisiana$9,027,451 $10,258,294 
Entergy Mississippi$1,780,577 $2,021,432 
Entergy New Orleans$642,233 $620,634 
Entergy Texas$2,493,708 $2,765,193 
System Energy$805,274 $840,540 

(a)Fair values were classified as Level 2 in the fair value hierarchy discussed in Note 8 to the financial statements herein.
Entergy Mississippi [Member]  
Summary Of The Borrowings Outstanding And Capacity Available Under The Facility
Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, and Entergy Texas each had credit facilities available as of March 31, 2021 as follows:
CompanyExpiration
Date
Amount of
Facility
Interest Rate (a)Amount Drawn
as of
March 31, 2021
Letters of Credit
Outstanding as of
March 31, 2021
Entergy ArkansasApril 2022$25 million (b)2.75%$—$—
Entergy ArkansasSeptember 2024$150 million (c)1.21%$—$—
Entergy LouisianaSeptember 2024$350 million (c)1.21%$—$—
Entergy MississippiApril 2022$37.5 million (d)1.58%$—$—
Entergy MississippiApril 2022$35 million (d)1.58%$—$—
Entergy MississippiApril 2022$10 million (d)1.58%$—$—
Entergy New OrleansNovember 2021$25 million (c)1.36%$—$—
Entergy TexasSeptember 2024$150 million (c)1.58%$—$1.3 million

(a)The interest rate is the estimated interest rate as of March 31, 2021 that would have been applied to outstanding borrowings under the facility.
(b)Borrowings under the Entergy Arkansas credit facility may be secured by a security interest in its accounts receivable at Entergy Arkansas’s option.
(c)The credit facility includes fronting commitments for the issuance of letters of credit against a portion of the borrowing capacity of the facility as follows: $5 million for Entergy Arkansas; $15 million for Entergy Louisiana; $10 million for Entergy New Orleans; and $30 million for Entergy Texas.
(d)Borrowings under the Entergy Mississippi credit facilities may be secured by a security interest in its accounts receivable at Entergy Mississippi’s option.
Uncommitted Standby Letter of Credit Facilities to Support MISO Obligations [Table Text Block] Following is a summary of the uncommitted standby letter of credit facilities as of March 31, 2021:
CompanyAmount of
Uncommitted Facility
Letter of Credit FeeMISO Letters of Credit
Issued as of
March 31, 2021 (a) (b)
Entergy Arkansas$25 million0.78%$1 million
Entergy Louisiana$125 million 0.78%$12.8 million
Entergy Mississippi$65 million0.78%$1 million
Entergy New Orleans$15 million1.00%$2 million
Entergy Texas$50 million0.70%$30.2 million

(a)As of March 31, 2021, letters of credit posted with MISO covered financial transmission rights exposure of $0.4 million for Entergy Arkansas, $0.2 million for Entergy Louisiana, $0.4 million for Entergy Mississippi, and $0.1 million for Entergy New Orleans. See Note 8 to the financial statements herein for discussion of financial transmission rights.
(b)As of March 31, 2021, in addition to the $1 million MISO letter of credit, Entergy Mississippi has $1 million of non-MISO letters of credit outstanding under this facility.
Short-Term Borrowings And The Outstanding Short-Term Borrowings The following were the FERC-authorized limits for short-term borrowings and the outstanding short-term borrowings as of March 31, 2021 (aggregating both internal and external short-term borrowings) for the Registrant Subsidiaries:
 AuthorizedBorrowings
 (In Millions)
Entergy Arkansas$250$—
Entergy Louisiana $450 $—
Entergy Mississippi$175$—
Entergy New Orleans$150$25
Entergy Texas$200$31
System Energy$200$—
Book Value And The Fair Value Of Long-Term Debt
The book value and the fair value of long-term debt for Entergy Corporation and the Registrant Subsidiaries as of March 31, 2021 were as follows:
Book Value
of Long-Term Debt
Fair Value
of Long-Term Debt (a)
(In Thousands)
Entergy$24,704,475 $25,716,967 
Entergy Arkansas$3,958,751 $4,126,514 
Entergy Louisiana$10,059,885 $10,681,713 
Entergy Mississippi$1,981,429 $2,084,891 
Entergy New Orleans$642,412 $584,475 
Entergy Texas$2,465,827 $2,545,973 
System Energy$768,969 $785,758 

(a)Fair values were classified as Level 2 in the fair value hierarchy discussed in Note 8 to the financial statements herein.

The book value and the fair value of long-term debt for Entergy Corporation and the Registrant Subsidiaries as of December 31, 2020 were as follows:
Book Value
of Long-Term Debt
Fair Value
of Long-Term Debt (a)
(In Thousands)
Entergy$22,369,776 $24,813,818 
Entergy Arkansas$3,967,507 $4,355,632 
Entergy Louisiana$9,027,451 $10,258,294 
Entergy Mississippi$1,780,577 $2,021,432 
Entergy New Orleans$642,233 $620,634 
Entergy Texas$2,493,708 $2,765,193 
System Energy$805,274 $840,540 

(a)Fair values were classified as Level 2 in the fair value hierarchy discussed in Note 8 to the financial statements herein.
Entergy New Orleans [Member]  
Summary Of The Borrowings Outstanding And Capacity Available Under The Facility
Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, and Entergy Texas each had credit facilities available as of March 31, 2021 as follows:
CompanyExpiration
Date
Amount of
Facility
Interest Rate (a)Amount Drawn
as of
March 31, 2021
Letters of Credit
Outstanding as of
March 31, 2021
Entergy ArkansasApril 2022$25 million (b)2.75%$—$—
Entergy ArkansasSeptember 2024$150 million (c)1.21%$—$—
Entergy LouisianaSeptember 2024$350 million (c)1.21%$—$—
Entergy MississippiApril 2022$37.5 million (d)1.58%$—$—
Entergy MississippiApril 2022$35 million (d)1.58%$—$—
Entergy MississippiApril 2022$10 million (d)1.58%$—$—
Entergy New OrleansNovember 2021$25 million (c)1.36%$—$—
Entergy TexasSeptember 2024$150 million (c)1.58%$—$1.3 million

(a)The interest rate is the estimated interest rate as of March 31, 2021 that would have been applied to outstanding borrowings under the facility.
(b)Borrowings under the Entergy Arkansas credit facility may be secured by a security interest in its accounts receivable at Entergy Arkansas’s option.
(c)The credit facility includes fronting commitments for the issuance of letters of credit against a portion of the borrowing capacity of the facility as follows: $5 million for Entergy Arkansas; $15 million for Entergy Louisiana; $10 million for Entergy New Orleans; and $30 million for Entergy Texas.
(d)Borrowings under the Entergy Mississippi credit facilities may be secured by a security interest in its accounts receivable at Entergy Mississippi’s option.
Uncommitted Standby Letter of Credit Facilities to Support MISO Obligations [Table Text Block] Following is a summary of the uncommitted standby letter of credit facilities as of March 31, 2021:
CompanyAmount of
Uncommitted Facility
Letter of Credit FeeMISO Letters of Credit
Issued as of
March 31, 2021 (a) (b)
Entergy Arkansas$25 million0.78%$1 million
Entergy Louisiana$125 million 0.78%$12.8 million
Entergy Mississippi$65 million0.78%$1 million
Entergy New Orleans$15 million1.00%$2 million
Entergy Texas$50 million0.70%$30.2 million

(a)As of March 31, 2021, letters of credit posted with MISO covered financial transmission rights exposure of $0.4 million for Entergy Arkansas, $0.2 million for Entergy Louisiana, $0.4 million for Entergy Mississippi, and $0.1 million for Entergy New Orleans. See Note 8 to the financial statements herein for discussion of financial transmission rights.
(b)As of March 31, 2021, in addition to the $1 million MISO letter of credit, Entergy Mississippi has $1 million of non-MISO letters of credit outstanding under this facility.
Short-Term Borrowings And The Outstanding Short-Term Borrowings The following were the FERC-authorized limits for short-term borrowings and the outstanding short-term borrowings as of March 31, 2021 (aggregating both internal and external short-term borrowings) for the Registrant Subsidiaries:
 AuthorizedBorrowings
 (In Millions)
Entergy Arkansas$250$—
Entergy Louisiana $450 $—
Entergy Mississippi$175$—
Entergy New Orleans$150$25
Entergy Texas$200$31
System Energy$200$—
Book Value And The Fair Value Of Long-Term Debt
The book value and the fair value of long-term debt for Entergy Corporation and the Registrant Subsidiaries as of March 31, 2021 were as follows:
Book Value
of Long-Term Debt
Fair Value
of Long-Term Debt (a)
(In Thousands)
Entergy$24,704,475 $25,716,967 
Entergy Arkansas$3,958,751 $4,126,514 
Entergy Louisiana$10,059,885 $10,681,713 
Entergy Mississippi$1,981,429 $2,084,891 
Entergy New Orleans$642,412 $584,475 
Entergy Texas$2,465,827 $2,545,973 
System Energy$768,969 $785,758 

(a)Fair values were classified as Level 2 in the fair value hierarchy discussed in Note 8 to the financial statements herein.

The book value and the fair value of long-term debt for Entergy Corporation and the Registrant Subsidiaries as of December 31, 2020 were as follows:
Book Value
of Long-Term Debt
Fair Value
of Long-Term Debt (a)
(In Thousands)
Entergy$22,369,776 $24,813,818 
Entergy Arkansas$3,967,507 $4,355,632 
Entergy Louisiana$9,027,451 $10,258,294 
Entergy Mississippi$1,780,577 $2,021,432 
Entergy New Orleans$642,233 $620,634 
Entergy Texas$2,493,708 $2,765,193 
System Energy$805,274 $840,540 

(a)Fair values were classified as Level 2 in the fair value hierarchy discussed in Note 8 to the financial statements herein.
Entergy Texas [Member]  
Summary Of The Borrowings Outstanding And Capacity Available Under The Facility
Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, and Entergy Texas each had credit facilities available as of March 31, 2021 as follows:
CompanyExpiration
Date
Amount of
Facility
Interest Rate (a)Amount Drawn
as of
March 31, 2021
Letters of Credit
Outstanding as of
March 31, 2021
Entergy ArkansasApril 2022$25 million (b)2.75%$—$—
Entergy ArkansasSeptember 2024$150 million (c)1.21%$—$—
Entergy LouisianaSeptember 2024$350 million (c)1.21%$—$—
Entergy MississippiApril 2022$37.5 million (d)1.58%$—$—
Entergy MississippiApril 2022$35 million (d)1.58%$—$—
Entergy MississippiApril 2022$10 million (d)1.58%$—$—
Entergy New OrleansNovember 2021$25 million (c)1.36%$—$—
Entergy TexasSeptember 2024$150 million (c)1.58%$—$1.3 million

(a)The interest rate is the estimated interest rate as of March 31, 2021 that would have been applied to outstanding borrowings under the facility.
(b)Borrowings under the Entergy Arkansas credit facility may be secured by a security interest in its accounts receivable at Entergy Arkansas’s option.
(c)The credit facility includes fronting commitments for the issuance of letters of credit against a portion of the borrowing capacity of the facility as follows: $5 million for Entergy Arkansas; $15 million for Entergy Louisiana; $10 million for Entergy New Orleans; and $30 million for Entergy Texas.
(d)Borrowings under the Entergy Mississippi credit facilities may be secured by a security interest in its accounts receivable at Entergy Mississippi’s option.
Uncommitted Standby Letter of Credit Facilities to Support MISO Obligations [Table Text Block] Following is a summary of the uncommitted standby letter of credit facilities as of March 31, 2021:
CompanyAmount of
Uncommitted Facility
Letter of Credit FeeMISO Letters of Credit
Issued as of
March 31, 2021 (a) (b)
Entergy Arkansas$25 million0.78%$1 million
Entergy Louisiana$125 million 0.78%$12.8 million
Entergy Mississippi$65 million0.78%$1 million
Entergy New Orleans$15 million1.00%$2 million
Entergy Texas$50 million0.70%$30.2 million

(a)As of March 31, 2021, letters of credit posted with MISO covered financial transmission rights exposure of $0.4 million for Entergy Arkansas, $0.2 million for Entergy Louisiana, $0.4 million for Entergy Mississippi, and $0.1 million for Entergy New Orleans. See Note 8 to the financial statements herein for discussion of financial transmission rights.
(b)As of March 31, 2021, in addition to the $1 million MISO letter of credit, Entergy Mississippi has $1 million of non-MISO letters of credit outstanding under this facility.
Short-Term Borrowings And The Outstanding Short-Term Borrowings The following were the FERC-authorized limits for short-term borrowings and the outstanding short-term borrowings as of March 31, 2021 (aggregating both internal and external short-term borrowings) for the Registrant Subsidiaries:
 AuthorizedBorrowings
 (In Millions)
Entergy Arkansas$250$—
Entergy Louisiana $450 $—
Entergy Mississippi$175$—
Entergy New Orleans$150$25
Entergy Texas$200$31
System Energy$200$—
Book Value And The Fair Value Of Long-Term Debt
The book value and the fair value of long-term debt for Entergy Corporation and the Registrant Subsidiaries as of March 31, 2021 were as follows:
Book Value
of Long-Term Debt
Fair Value
of Long-Term Debt (a)
(In Thousands)
Entergy$24,704,475 $25,716,967 
Entergy Arkansas$3,958,751 $4,126,514 
Entergy Louisiana$10,059,885 $10,681,713 
Entergy Mississippi$1,981,429 $2,084,891 
Entergy New Orleans$642,412 $584,475 
Entergy Texas$2,465,827 $2,545,973 
System Energy$768,969 $785,758 

(a)Fair values were classified as Level 2 in the fair value hierarchy discussed in Note 8 to the financial statements herein.

The book value and the fair value of long-term debt for Entergy Corporation and the Registrant Subsidiaries as of December 31, 2020 were as follows:
Book Value
of Long-Term Debt
Fair Value
of Long-Term Debt (a)
(In Thousands)
Entergy$22,369,776 $24,813,818 
Entergy Arkansas$3,967,507 $4,355,632 
Entergy Louisiana$9,027,451 $10,258,294 
Entergy Mississippi$1,780,577 $2,021,432 
Entergy New Orleans$642,233 $620,634 
Entergy Texas$2,493,708 $2,765,193 
System Energy$805,274 $840,540 

(a)Fair values were classified as Level 2 in the fair value hierarchy discussed in Note 8 to the financial statements herein.
System Energy [Member]  
Short-Term Borrowings And The Outstanding Short-Term Borrowings The following were the FERC-authorized limits for short-term borrowings and the outstanding short-term borrowings as of March 31, 2021 (aggregating both internal and external short-term borrowings) for the Registrant Subsidiaries:
 AuthorizedBorrowings
 (In Millions)
Entergy Arkansas$250$—
Entergy Louisiana $450 $—
Entergy Mississippi$175$—
Entergy New Orleans$150$25
Entergy Texas$200$31
System Energy$200$—
Issuance Of Commercial Paper To Finance Acquisition And Ownership Of Nuclear Fuel To finance the acquisition and ownership of nuclear fuel, the nuclear fuel company VIEs have credit facilities and three of the four VIEs have commercial paper programs in place. Following is a summary as of March 31, 2021:
CompanyExpiration
Date
Amount
of
Facility
Weighted
 Average Interest
 Rate on
 Borrowings (a)
Amount
Outstanding as of
March 31, 2021
(Dollars in Millions)
Entergy Arkansas VIESeptember 2022$801.26%$4.8
Entergy Louisiana River Bend VIESeptember 2022$1051.24%$70.5
Entergy Louisiana Waterford VIESeptember 2022$1051.25%$73.2
System Energy VIESeptember 2022$1201.23%$63.4

(a)Includes letter of credit fees and bank fronting fees on commercial paper issuances, if any, by the nuclear fuel company variable interest entities for Entergy Arkansas, Entergy Louisiana, and System Energy. The nuclear fuel company variable interest entity for Entergy Louisiana River Bend does not issue commercial paper, but borrows directly on its bank credit facility.
Notes Payable By Variable Interest Entities
The nuclear fuel company variable interest entities had notes payable that were included in debt on the respective balance sheets as of March 31, 2021 as follows:
CompanyDescriptionAmount
Entergy Arkansas VIE
3.65% Series L due July 2021
$90 million
Entergy Arkansas VIE
3.17% Series M due December 2023
$40 million
Entergy Louisiana River Bend VIE
2.51% Series V due June 2027
$70 million
Entergy Louisiana Waterford VIE
3.22% Series I due December 2023
$20 million
System Energy VIE
2.05% Series K due September 2027
$90 million
Book Value And The Fair Value Of Long-Term Debt
The book value and the fair value of long-term debt for Entergy Corporation and the Registrant Subsidiaries as of March 31, 2021 were as follows:
Book Value
of Long-Term Debt
Fair Value
of Long-Term Debt (a)
(In Thousands)
Entergy$24,704,475 $25,716,967 
Entergy Arkansas$3,958,751 $4,126,514 
Entergy Louisiana$10,059,885 $10,681,713 
Entergy Mississippi$1,981,429 $2,084,891 
Entergy New Orleans$642,412 $584,475 
Entergy Texas$2,465,827 $2,545,973 
System Energy$768,969 $785,758 

(a)Fair values were classified as Level 2 in the fair value hierarchy discussed in Note 8 to the financial statements herein.

The book value and the fair value of long-term debt for Entergy Corporation and the Registrant Subsidiaries as of December 31, 2020 were as follows:
Book Value
of Long-Term Debt
Fair Value
of Long-Term Debt (a)
(In Thousands)
Entergy$22,369,776 $24,813,818 
Entergy Arkansas$3,967,507 $4,355,632 
Entergy Louisiana$9,027,451 $10,258,294 
Entergy Mississippi$1,780,577 $2,021,432 
Entergy New Orleans$642,233 $620,634 
Entergy Texas$2,493,708 $2,765,193 
System Energy$805,274 $840,540 

(a)Fair values were classified as Level 2 in the fair value hierarchy discussed in Note 8 to the financial statements herein.