Tanzania - Backbone Transmission Investment Project

Abstract*

The development objective of the Backbone Transmission Investment Project is to increase availability, reliability, and quality of grid based power supply to northern regions of Tanzania. There are two components to the project. The first component of the project is construction of the transmission line. This component will finance one section of the overhead 400kV double-circuit backbone transmission interconnection between the towns of Iringa and... Show More

Development Objective

The Project Development Objective is to increase availability, reliability and quality of grid based power supply to northern regions of Tanzania.

Key Details

Project Details

Project ID
P111598
Status
Closed
Team Leader
Mirlan Aldayarov , Dante Ariel Mossi Reyes
Borrower 2
MINISTRY OF FINANCE

Country
Tanzania
Disclosure Date
February 11, 2009
Approval Date
(as of board presentation)
August 26, 2010
Effective Date
March 30, 2011

Total Project Cost 1
US$ 468.45 million
Implementing Agency
TANESCO
Region
Eastern and Southern Africa
Fiscal Year 3
2011

Commitment Amount
US$ 450.27 million
Environmental Category
N/A
Environmental and Social Risk
Not Applicable
Closing Date
December 31, 2016

Last Stage Reached
BANK APPROVED
Last Update Date
November 15, 2023

Notes
1. Total project cost includes funding from World Bank and non-bank sources in US$ millions. Active and Closed projects show current commitments. Proposed (pipeline) and dropped projects show the forecast amount. The commitment amount for projects in the pipeline is indicative and may be modified during the project preparation.
2. Borrower refers to the Borrower of a Loan or Recipient of a Grant.
3. ”Fiscal Year” is the fiscal year in which the project was approved (or dropped if the status is dropped). The World Bank's fiscal year is from July 1 - June 30. For example, a fiscal year of 1996 corresponds to July 1, 1995 - June 30, 1996.

Sectors

Themes

FY17 - Environment and Natural Resource Management

FY17 - Climate change93%
- FY17 - Mitigation93%

FY17 - Urban and Rural Development

FY17 - Urban Development100%
- FY17 - Urban Infrastructure and Service Delivery100%

Project Map

Interactive Map

Finances

Financing Plan (US$ Millions)

Financier	Commitments
IDA Credit	150.00
EC: European Investment Bank	134.50
JAPAN: Japan International Cooperation Agency (JICA)	64.86
KOREA, Rep of: Economic Development Cooperation Fund	36.06
Borrower/Recipient	18.18
African Development Bank	64.86

Total Project Financing (US$ Millions)

Product Line	IBRD/IDA
IBRD Commitment	N/A
IDA Commitment	150.00
IBRD + IDA Commitment	150.00

Lending Instrument
Grant Amount	300.27
Total Project Cost**	468.45

Summary Status of World Bank Financing (US$ Millions) as of July 31, 2025

No data available.

Detailed Financial Activity as of July 31, 2025

Download:

Period	Financier	Transaction Type	Amount (US$)
Mar 15, 2016	IDA-47980	Int Charges	174,020.75
Mar 15, 2016	IDA-47980	Int Charges	1,877.03
Mar 15, 2016	IDA-47980	Int Charges	1,877.03
Mar 14, 2016	IDA-47980	Loan Disb	561,730.00
Sep 15, 2016	IDA-47980	Int Charges	191,961.73
Sep 15, 2016	IDA-47980	Int Charges	191,961.73
Sep 15, 2016	IDA-47980	Int Charges	1,313.35
Sep 15, 2016	IDA-47980	Int Charges	1,313.35
May 11, 2016	IDA-47980	Loan Cancel	56,195,592.00
May 31, 2016	IDA-47980	Loan Disb	10,978.50
Aug 4, 2016	IDA-47980	Loan Disb	4,000,000.00
Jun 3, 2016	IDA-47980	Loan Disb	11,190.01
Aug 3, 2016	IDA-47980	Loan Disb	203,352.50
May 19, 2014	IDA-47980	Loan Disb	177,441.81
Sep 19, 2014	IDA-47980	Loan Disb	107,721.00
Aug 27, 2014	IDA-47980	Loan Disb	110,850.00
Jan 29, 2015	IDA-47980	Loan Disb	418,584.00
Sep 15, 2023	IDA-47980	Int Charges	188,797.12
Sep 15, 2023	IDA-47980	Loan Repay	9,457.89
Mar 15, 2024	IDA-47980	Int Charges	188,612.98
Mar 15, 2024	IDA-47980	Loan Repay	19,659.96
Mar 15, 2024	IDA-47980	Loan Repay	521,165.80
Mar 15, 2024	IDA-47980	Int Charges	188,612.98
Aug 26, 2010	IDA-47980	Loan Commitment	150,000,000.00
Sep 15, 2021	IDA-47980	Int Charges	212,054.81
Sep 15, 2021	IDA-47980	Int Charges	212,054.81
Sep 15, 2021	IDA-47980	Loan Repay	6,761.99
Sep 15, 2021	IDA-47980	Loan Repay	572,404.06
Mar 15, 2022	IDA-47980	Int Charges	203,776.81
Mar 15, 2022	IDA-47980	Int Charges	203,776.81
Mar 15, 2022	IDA-47980	Int Charges	762.88
Mar 15, 2022	IDA-47980	Int Charges	762.88
Mar 15, 2022	IDA-47980	Loan Repay	560,211.20
Sep 15, 2022	IDA-47980	Loan Repay	510,083.97
Sep 15, 2022	IDA-47980	Int Charges	189,332.73
Sep 15, 2022	IDA-47980	Int Charges	189,332.73
Sep 15, 2022	IDA-47980	Loan Repay	15,840.25
Mar 15, 2023	IDA-47980	Loan Repay	7,953.99
Mar 15, 2023	IDA-47980	Loan Repay	532,725.56
Mar 15, 2023	IDA-47980	Int Charges	192,617.12
Mar 15, 2023	IDA-47980	Int Charges	192,617.12
Sep 18, 2018	IDA-47980	Int Charges	3,055.08
Sep 18, 2018	IDA-47980	Int Charges	3,055.08
Sep 18, 2018	IDA-47980	Int Charges	213,423.81
Sep 18, 2018	IDA-47980	Int Charges	213,423.81
Mar 15, 2019	IDA-47980	Int Charges	108.14
Mar 15, 2019	IDA-47980	Int Charges	108.14
Mar 15, 2019	IDA-47980	Int Charges	211,955.58
Mar 15, 2019	IDA-47980	Int Charges	211,955.58
Sep 15, 2019	IDA-47980	Int Charges	450.83
Sep 15, 2019	IDA-47980	Int Charges	450.83
Sep 18, 2019	IDA-47980	Int Charges	208,257.03
Sep 18, 2019	IDA-47980	Int Charges	208,257.03
Mar 15, 2020	IDA-47980	Int Charges	2,195.30
Mar 15, 2020	IDA-47980	Int Charges	2,195.30
Mar 15, 2020	IDA-47980	Int Charges	207,705.69
Jan 13, 2016	IDA-47980	Loan Disb	321,990.75
Jun 5, 2015	IDA-47980	Loan Disb	52,766.25
Oct 27, 2014	IDA-47980	Loan Disb	742,852.50
Oct 27, 2014	IDA-47980	Loan Disb	1,533,416.10
Oct 27, 2014	IDA-47980	Loan Disb	561,581.25
Nov 14, 2014	IDA-47980	Loan Disb	987,017.25
Oct 27, 2014	IDA-47980	Loan Disb	33,072.59
Nov 13, 2014	IDA-47980	Loan Disb	873,021.00
Oct 20, 2014	IDA-47980	Loan Disb	72,369.75
Oct 9, 2014	IDA-47980	Loan Disb	62,455.50
Oct 1, 2014	IDA-47980	Loan Disb	852,825.00
Jan 12, 2015	IDA-47980	Loan Disb	25,599.74
Nov 18, 2014	IDA-47980	Loan Disb	743,339.25
Nov 10, 2014	IDA-47980	Loan Disb	621,483.00
Nov 18, 2014	IDA-47980	Loan Disb	262,365.00
Jan 14, 2015	IDA-47980	Loan Disb	488,394.75
Dec 19, 2014	IDA-47980	Loan Disb	975,471.10
Jul 22, 2013	IDA-47980	Loan Disb	7,892,981.00
Nov 25, 2014	IDA-47980	Loan Disb	852,825.00
Dec 1, 2014	IDA-47980	Loan Disb	64,881.00
Oct 17, 2013	IDA-47980	Loan Disb	7,892,475.50
Sep 15, 2017	IDA-47980	Int Charges	258.83
Sep 22, 2017	IDA-47980	Int Charges	212,613.10
Sep 22, 2017	IDA-47980	Int Charges	212,613.10
Mar 15, 2018	IDA-47980	Int Charges	5,042.03
Oct 1, 2013	IDA-47980	Int Charges	1,666.82
Oct 1, 2013	IDA-47980	Int Charges	1,666.82
Feb 10, 2014	IDA-47980	Loan Disb	244,143.00
Mar 15, 2014	IDA-47980	Int Charges	58,217.51
Mar 15, 2014	IDA-47980	Int Charges	58,217.51
Mar 15, 2014	IDA-47980	Int Charges	9,000.03
Mar 15, 2014	IDA-47980	Int Charges	9,000.03
May 8, 2014	IDA-47980	Loan Disb	1,062,871.50
May 8, 2014	IDA-47980	Loan Disb	783,886.50
Jun 26, 2014	IDA-47980	Loan Disb	187,771.50
May 27, 2014	IDA-47980	Loan Disb	2,119,359.80
May 20, 2014	IDA-47980	Loan Disb	1,062,621.10
May 20, 2014	IDA-47980	Loan Disb	2,116,168.00
Mar 15, 2018	IDA-47980	Int Charges	5,042.03
Mar 15, 2018	IDA-47980	Int Charges	218,175.23
Mar 15, 2018	IDA-47980	Int Charges	218,175.23
Sep 15, 2015	IDA-47980	Int Charges	1,327.11
Sep 15, 2015	IDA-47980	Int Charges	1,327.11
Sep 21, 2015	IDA-47980	Int Charges	166,260.86
Sep 21, 2015	IDA-47980	Int Charges	166,260.86
Jan 8, 2016	IDA-47980	Loan Disb	2,193,658.00
Mar 15, 2016	IDA-47980	Int Charges	174,020.75
Apr 9, 2015	IDA-47980	Loan Disb	505,041.94
Feb 13, 2015	IDA-47980	Loan Disb	314,618.25
Feb 13, 2015	IDA-47980	Loan Disb	504,236.25
Feb 13, 2015	IDA-47980	Loan Disb	288,750.00
Mar 31, 2015	IDA-47980	Int Charges	2,780.76
Mar 31, 2015	IDA-47980	Int Charges	2,780.76
Mar 31, 2015	IDA-47980	Int Charges	134,945.10
Mar 31, 2015	IDA-47980	Int Charges	134,945.10
Jul 10, 2015	IDA-47980	Loan Disb	203,383.50
Jul 15, 2015	IDA-47980	Loan Disb	7,350.00
May 28, 2015	IDA-47980	Loan Disb	81,744.00
May 28, 2015	IDA-47980	Loan Disb	600,966.56
Jun 11, 2015	IDA-47980	Loan Disb	321,984.44
Jul 14, 2015	IDA-47980	Loan Disb	29,505.00
Jul 10, 2015	IDA-47980	Loan Disb	209,400.73
Aug 4, 2015	IDA-47980	Loan Disb	441,457.94
Sep 15, 2023	IDA-47980	Loan Repay	526,136.70
Sep 15, 2023	IDA-47980	Int Charges	188,797.12
Jan 29, 2015	IDA-47980	Loan Disb	123,552.01
Feb 2, 2015	IDA-47980	Loan Disb	474,221.25
Aug 27, 2014	IDA-47980	Loan Disb	739,459.40
Dec 22, 2014	IDA-47980	Loan Disb	604,295.70
Jul 28, 2014	IDA-47980	Loan Disb	1,034,772.70
Jul 28, 2014	IDA-47980	Loan Disb	92,791.34
Aug 1, 2014	IDA-47980	Loan Disb	105,599.99
Jul 28, 2014	IDA-47980	Loan Disb	1,515,580.60
Jan 28, 2015	IDA-47980	Loan Disb	313,392.00
Jan 28, 2015	IDA-47980	Loan Disb	400,188.00
Jul 28, 2014	IDA-47980	Loan Disb	1,244,918.90
Jul 28, 2014	IDA-47980	Loan Disb	1,296,385.40
Jan 28, 2015	IDA-47980	Loan Disb	512,869.50
Jan 28, 2015	IDA-47980	Loan Disb	338,871.00
Sep 9, 2014	IDA-47980	Loan Disb	916,987.50
Mar 4, 2015	IDA-47980	Loan Disb	525,039.00
Mar 4, 2015	IDA-47980	Loan Disb	351,215.25
Sep 15, 2014	IDA-47980	Int Charges	872.31
Sep 15, 2014	IDA-47980	Int Charges	872.31
Sep 15, 2014	IDA-47980	Int Charges	82,928.63
Sep 15, 2014	IDA-47980	Int Charges	82,928.63
Mar 9, 2015	IDA-47980	Loan Disb	111,119.25
Mar 15, 2020	IDA-47980	Int Charges	207,705.69
Sep 15, 2020	IDA-47980	Loan Repay	502.60
Sep 15, 2020	IDA-47980	Loan Repay	574,861.94
Sep 15, 2020	IDA-47980	Int Charges	201,096.73
Sep 15, 2020	IDA-47980	Int Charges	201,096.73
Mar 15, 2021	IDA-47980	Loan Repay	580,173.30
Mar 15, 2021	IDA-47980	Int Charges	14,787.52
Mar 15, 2021	IDA-47980	Int Charges	14,787.52
Mar 15, 2021	IDA-47980	Int Charges	215,389.36
Mar 15, 2021	IDA-47980	Int Charges	215,389.36
Jun 3, 2016	IDA-47980	Loan Disb	4,013,288.00
Dec 30, 2016	IDA-47980	Loan Cancel	18,820,620.00
Jun 29, 2017	IDA-47980	Loan Disb	-505,938.44
Jun 29, 2017	IDA-47980	Loan Cancel	9,908,611.00
Mar 15, 2017	IDA-47980	Int Charges	4,324.24
Mar 15, 2017	IDA-47980	Int Charges	4,324.24
Mar 15, 2017	IDA-47980	Int Charges	207,392.44
Mar 15, 2017	IDA-47980	Int Charges	207,392.44
Sep 15, 2017	IDA-47980	Int Charges	258.83

Footnotes

Ratings

IMPLEMENTATION RATINGS

Name	Review	Date
Procurement	Satisfactory	2017-02-06
Project Management	Satisfactory	2017-02-06
Financial Management	Satisfactory	2017-02-06
Monitoring and Evaluation	Satisfactory	2017-02-06
Overall Implementation Progress (IP)	Moderately Satisfactory	2017-02-06
Counterpart Funding	Satisfactory	2017-02-06
Progress towards achievement of PDO	Moderately Satisfactory	2017-02-06

COMPLETION RATINGS

INDICATOR	IMPLEMENTATION COMPLETION & RESULTS REPORT: 12-23-2017
Outcomes	Substantial
Risk to Development Outcome	Negligible
Bank Performance	Moderately Satisfactory
Borrower Performance	Moderately Satisfactory
Government Performance	Moderately Satisfactory
Implementing Agency	Moderately Satisfactory

INDEPENDENT EVALUATION RATINGS

INDICATOR	ICR REVIEW: 05-31-2018	PROJECT PERFORMANCE ASSESSMENT REPORT:
Outcome Rating	Satisfactory	N/a
Risk To Development Outcome	Substantial	N/a
Bank Performance	Moderately Satisfactory	N/a
Borrower Performance	Moderately Satisfactory	N/a
Government Performance	Moderately Satisfactory	N/a
Implementing Agency	Moderately Satisfactory	N/a
Icr Quality	Modest	N/a
M&e Quality	Modest	N/a

Results Framework

PROJECT DEVELOPMENT OBJECTIVE INDICATORS

INDICATOR		BASELINE	CURRENT	TARGET

Maximum transmission capacity in the Subsystem (MW) Value 200.00 600.00 600.00
Date July 16, 2010 December 29, 2016 December 31, 2016
Comment
Reduction in transmission losses in Subsystem (in percent) Value 6.00 6.00 3.00
Date July 16, 2010 May 30, 2016 December 31, 2016
Comment
Cumulative power outages that are linked to malfunctions in the Subsystem Value 7.00 7.00 3.00
Date July 16, 2010 May 30, 2016 December 31, 2016
Comment
Reduction in the number of power outages that are linked to malfunctions in the Subsystem (in absolute numbers) Value 30.00 30.00 10.00
Date July 16, 2010 May 30, 2016 December 31, 2016
Comment

INTERMEDIATE RESULTS INDICATORS

INDICATOR		BASELINE	CURRENT	TARGET

Transmission line from Iringa to Dodoma including FOCL constructed Value 0.00 223.76 223.76
Date July 16, 2010 December 29, 2016 December 31, 2016
Comment
Transmission line from Dodoma to Singida including FOCL constructed Value 0.00 217.00 217.00
Date July 16, 2010 December 29, 2016 December 31, 2016
Comment
Transmission line from Singida to Shinyanga including FOCL constructed Value 0.00 226.00 226.00
Date July 16, 2010 December 29, 2016 December 31, 2016
Comment
Substations upgraded Value 0.00 4.00 4.00
Date July 16, 2010 December 29, 2016 December 31, 2016
Comment

Timely and satisfactory implementation support provided during the construction of the transmission line	Value	None	The implementation support contract has been signe	Satisfactorily completion of the transmission line
	Date	July 16, 2010	December 29, 2016	December 31, 2016
	Comment

Staff trained in environmental and social issues (number) Value 0.00 18.00 10.00
Date July 16, 2010 December 29, 2016 December 31, 2016
Comment
Power generation projects developed Value None Two power stations commissioned Satisfactory progress in development and financing
Date July 16, 2010 December 29, 2016 December 31, 2016
Comment
Transmission lines constructed or rehabilitated under the project Value 0.00 447.00 447.00
Date July 16, 2010 December 29, 2016 December 31, 2016
Comment
Transmission lines constructed under the project Value 0.00 447.00 447.00
Date July 16, 2010 December 29, 2016 December 31, 2016
Comment
Technical feasibility study for hydropower project completed Value None None Feasibility study completed
Date August 2, 2010 December 29, 2016 December 30, 2016
Comment

Maximum transmission capacity in the Subsystem (MW)	Value	200.00	600.00	600.00
	Date	July 16, 2010	December 29, 2016	December 31, 2016
	Comment

Reduction in transmission losses in Subsystem (in percent)	Value	6.00	6.00	3.00
	Date	July 16, 2010	May 30, 2016	December 31, 2016
	Comment

Cumulative power outages that are linked to malfunctions in the Subsystem	Value	7.00	7.00	3.00
	Date	July 16, 2010	May 30, 2016	December 31, 2016
	Comment

Reduction in the number of power outages that are linked to malfunctions in the Subsystem (in absolute numbers)	Value	30.00	30.00	10.00
	Date	July 16, 2010	May 30, 2016	December 31, 2016
	Comment

Transmission line from Iringa to Dodoma including FOCL constructed	Value	0.00	223.76	223.76
	Date	July 16, 2010	December 29, 2016	December 31, 2016
	Comment

Substations upgraded	Value	0.00	4.00	4.00
	Date	July 16, 2010	December 29, 2016	December 31, 2016
	Comment

Power generation projects developed	Value	None	Two power stations commissioned	Satisfactory progress in development and financing
	Date	July 16, 2010	December 29, 2016	December 31, 2016
	Comment