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Project

DESIGN, CONSTRUCTION, EQUIPMENT, INSTALLATION, OPERATION AND MAINTENANCE OF A PHOTOVOLTAIC POWER PLANT IN THE STATE OF TLAXCALA.

Sector: Electricity


Last Revision

October 31, 2025
Power Auction:
SLP-1/2017: Third Long Term Power Auction
 
Short Name of the Project:
0707 CENACE. 3rd Long Term Power Auction (SLP 1/2017) Calpulalpan
Type of Investment:
Brownfield
Subsector:
Solar Power
Asset (s):
 Solar Farm 217 MW 
Contract Currency:
Mexican Pesos MXN
Estimated Investment MXN:

3,368,080,000

Estimated Investment USD:

182,058,378

Exchange rate (USD/MXN) used by the Ministry of Finance for the economic plan 2025: $ 18.5
Contract Scope:
  Design,  Construction,  Equipment,  Installation,  Operation,  Maintenance
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DESCRIPTION
The project consists of the design, construction, equipment, installation, operation and maintenance of “Calpulalpan” photovoltaic power plant with a total production capacity of 217 MW in the state of Tlaxcala. The plant has the following features:
Power Zone: National
Export Area: “Central”
Price Area: Central
Interconnection Zone: [TEXCOCO-(TEX-230)-230]-93600-[ZOCAC-(ZOC-230)-230]

Consorcio Engie Solar 1, was assigned the following contract through CENACE's 2017 long-term power auction:

Contract number: SLP2017010115-026 related to:
- Energy for 486,313 MWHr/Year during 15 years and Renewable Energy Certificates (CEL) for 524,997 CEL/Year during 20 years, with an offered price of MXN$198,754,285

LEGAL AND FINANCIAL STRUCTURE
Type of Project
  Private
Type of Contract
  Assignment
Term
15 years
Selection Process
Public Auction
Financing Sources
Private
100 %
MXN
3,368,080,000
USD
182,058,378
Payment Source
Project revenues / Rate
The Clearing House is responsible for making the corresponding payments, derived from the following Electric Coverage Contracts with buyers and sellers:
- “Entidades Responsables de Carga” and the Clearing House
- Clearing House and the Generators

STATUS
Stage
  Operation
Substage
  < 5 years of operation
RELEVANT DATES
Request for proposals/Announcement May 08, 2017
Proposals Reception November 08, 2017
Ruling November 22, 2017
Contract Signing April 13, 2018
Execution/Construction Starting Date February 28, 2019
Operation Starting Date August 25, 2023
Term of the Contract 2038
Contractor
Buenos Días Energía  
Major Contractor’s Shareholders
Engie

GEOLOCATION
State(s)
Tlaxcala   

SPONSOR

ADDITIONAL INFORMATION
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Source
Centro Nacional de Control de Energía
Description
Public entity whose objective is to exercise operational control over the national electric system and the operations of the wholesale electricity market, and to guarantee impartial access to the national transmission network and to the general distribution network
Website
 Ruling 2017
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Source
Comisión Nacional de Energía
Description
Decentralized body of the Ministry of Energy that has technical and operational independence to regulate energy matters.
ID
E/2048/GEN/2018
Permit
ID
RES/1111/2018
Resolution
ID
RES/651/2023
Resolution
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Source
Secretaría de Medio Ambiente y Recursos Naturales
Description
Federal government entity and sectorial authority responsible for establishing the necessary criteria and instruments to guarantee the protection, preservation, and use of natural resources, by developing an environmental policy that ensures sustainable growth.
ID
29TX2018E0013
Procedures

MULTIMEDIA

REMARKS
The start of operation is considered to be the commercial operation that appears in Resolution RES/651/2023 of the Energy Regulatory Commission (CRE).
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