ITEN

Well Engineered. Well Built. Well Operated.

For over 10 years EFZ has been designing, building and operating power generation plants and electrical grids in Europe and the Americas.

  • Utility scale solar PV
  • Gas and diesel generation
  • Cogeneration and trigeneration
02Key figures

At a glance

EFZ in four figures

The year EFZ Italia was founded, the number of engineers in the group and the capacity of the plants designed, built or under construction, solar PV in Italy and cogeneration in Italy and Mexico.

Year founded
2015Year founded
Engineers
21engineers in the group, across Europe and North America
Solar PV
150+MWpof solar PV plants designed in Italy
Cogeneration
140+MWof cogeneration plants designed in Italy and Mexico
03Company

About us

Rooted in engineering

Since 2015 EFZ Italia has combined the group's engineering experience with the ability to deliver plants built to the highest standards, from design to commissioning.

EFZ Italia was founded in 2015 by EFZ Energy S.A. de C.V. and has worked from the start in engineering for the development of power generation plants, first gas and diesel, then solar PV. In 2017 it signed the first self service agreement with Rolls-Royce for the Italian and Mexican markets. In 2019, through EFZ Energy Solutions, it became a partner of Shuangliang, the Chinese manufacturer of lithium bromide absorption chillers and of photovoltaic modules and cells.

Its team of engineers and technicians and its constant investment in calculation tools allow EFZ to take on complex projects with a method that is documented and traceable at every stage.

Milestones

  1. 2014

    EFZ Energy S.A. de C.V., the parent company, is founded in Mexico.

  2. 2015

    EFZ Italia is founded, starting from the engineering of gas and diesel generation plants.

  3. 2017

    Self service agreement with Rolls-Royce for Italy and Mexico.

  4. 2019

    Partnership with Shuangliang for absorption chillers. First data centre built in Mexico.

  5. 2020

    Entry into the European market.

  6. 2021

    First client in Italy: 30 MW.

  7. 2022

    Start of activity in solar PV.

  8. 2024

    40.5 MW of solar PV authorised and ready for construction.

  9. 2026

    Construction and commissioning of the first plants in Italy.

04Plants

Electrical and thermal generation

Three plant families for different needs

Solar PV, gas and diesel generation, and cogeneration and trigeneration meet different needs and often share the same site. The choice depends on the cost of energy, the continuity required and whether heat or cooling is also needed.

Utility scale solar PV

Ground-mounted and rooftop plants that produce energy at low cost throughout their service life. The main constraint is the territory, meaning the availability of suitable land, grid capacity at the connection point and the time taken by the permitting process.

It suits predictable daytime demand, where there is land or a roof to put to use and the aim is to reduce the cost of energy over the long term.

  • Ground-mounted and rooftop plants
  • Agrivoltaic layouts that keep the land in cultivation
  • Provision for storage on every site

See some completed plants

Gas and diesel generation

A gas or diesel plant produces energy when it is needed and in the quantity needed, whereas solar PV only produces when the sun is shining.

It is therefore used where the power supply cannot be interrupted, such as continuous processes, data centres, healthcare facilities and sites that are isolated or poorly served by the grid, and where demand peaks must be covered without increasing contracted capacity. In isolated microgrids it is the main source of energy.

  • Continuity of supply for mission-critical facilities
  • Peak demand coverage
  • Isolated microgrids and data centre power
  • Medium and low voltage

See some completed plants

Cogeneration and trigeneration

In a conventional generating set the heat produced is lost. Cogeneration recovers it and makes it available to the process as steam, hot water or superheated water, so the same fuel yields both electricity and heat.

Trigeneration adds an absorption chiller, which converts the recovered heat into chilled water. The plant then produces electricity, heat and cooling. It pays off where demand for heat or cooling is continuous, for example in the process, food and pharmaceutical industries and in large facilities, because the recovered heat is then put to use.

  • Overall efficiency far higher than electricity generation alone
  • Industrial self-consumption with continuous heat demand
  • Cooling from absorption chillers, without electric compressors
05Services

What we do

From engineering to construction in one team

The process starts with engineering and ends with construction. EFZ manages each project vertically and does not hand any phase over to third parties outside its control.

Engineering

The group's 21 engineers cover electrical, mechanical, structural, IT, hydraulic and engine engineering, which is every discipline a turnkey project requires.

See some project renderings

Permitting

EFZ handles every stage of the Italian permitting process: TICA, PAS, Autorizzazione Unica, Customs Agency, Grid Code and registration on Terna GAUDÌ.

EPC

Full turnkey EPC services for solar PV, gas and diesel, cogeneration and trigeneration plants.

Operation and maintenance

Proprietary software, open to the communication protocols of most components on the market, monitors and optimises the plants under management.

Surveys and thermography

3D surveys and thermography of sites and plants with professional DJI drones, flown by staff holding A1/A3 and A2 certificates.

See some examples

Troubleshooting

Specialist analysis of medium and low voltage networks, with dedicated instruments and software.

Project renderings

3D models developed by EFZ engineering for a cogeneration plant.

3D model of a cogeneration plant on a black background, with yellow containers, boilers, red stacks and a pipe rack.
3D model of a cogeneration plant with containerised generating sets, heat recovery boilers, stacks, air coolers and a pipe rack.
3D view of the plant next to the factory buildings, with pipes coloured by fluid.
Design view of the plant beside the existing buildings, with the pipe rack connecting it to the facility.
3D cutaway of two containers with the engine-generator sets on blue base frames.
Cutaway of the containers showing the engine-generator sets and the rooftop structure.
1 of 3

Drone thermal surveys

Examples of surveys carried out with a professional drone fitted with a thermal camera.

Aerial thermal image of rows of PV modules on industrial roofs.
PV system on industrial roofs. A few modules, warmer than the others in the same row, stand out in yellow.
Aerial thermal image of an industrial roof partly covered with PV modules.
PV system on an industrial roof. The roof sections without modules appear warmer than the modules.
Aerial thermal image of an industrial site with several buildings and different roofs.
Industrial site with several buildings. The thermal camera shows the temperature differences between roofs and materials.
1 of 3

Cogeneration and trigeneration plants

Some of the cogeneration and trigeneration plants delivered.

Blue absorption chiller in a plant room.
Absorption chiller in a trigeneration plant.
The absorption chiller seen from the side, with insulated pipework.
The absorption chiller seen from the side, with the insulated pipework.
Multi-level steel structure with cooling units on top and green pipework.
Steel structure carrying the cooling system at height and the plant pipework.
V-shaped air-cooled coil banks along a grated walkway.
Air-cooled coil banks at height, with the maintenance walkways.
Air-cooled coil banks with green pipework and electrical isolators.
The air-cooled system with its connecting pipework.
1 of 5

Gas and diesel generation plants

Some of the generation plants delivered.

Generating set on a blue base frame in a plant room, with the alternator in the foreground.
Generating set in a plant room, with the alternator and engine on a common base frame.
Generating sets side by side in a plant room with yellow gas pipes.
Gas-fired generating sets in a plant room. The alternator in the foreground, a second set behind.
Grey generating container with insulated pipework and a stack on a steel frame.
Containerised generating set with the exhaust pipework and stack.
Generating container behind a metal fence.
A generating container inside its protective fence.
Generating container with some doors open onto the internal components.
Containerised generating set with the inspection doors open.
Generating container with a stack and yellow gas pipes, next to a building.
Generating container with stack and gas supply lines.
Container with open doors revealing the alternator and an electrical panel.
Container with open doors showing the alternator and the control panel.
1 of 7

Engineering beyond the plant

Networks, pipework and structures around the plants.

Plant room with generating sets, yellow natural gas pipes and cable trays.
Plant room with natural gas generating sets, gas lines and cable trays.
Yellow natural gas pipes above a row of engines, seen from above.
Natural gas distribution to the generating sets, seen from above.
Insulated pipes, ventilation ducts and cable trays above an engine.
Exhaust pipework, ventilation and cable trays in the plant room.
Insulated pipework along a building facade, with scaffolding on the left.
Insulated pipework on the building facade, during installation.
1 of 4
06Fields of application

Disciplines and skills

Engineering beyond the plant

The disciplines used for generation plants (electrical, mechanical, structural, IT, hydraulic and engine engineering) also apply to everything around the plant, in compliance with European, North American and Mexican standards.

See some completed work

Electrical grids

  • Extra high voltage transformer stations
  • Generation, distribution, transmission, substations and end use at medium and low voltage

Thermal fluids

  • Steam, hot water and chilled water
  • Generation, transport, distribution, use

Structures

  • Structural and mechanical design for plants
07Method

How we work

Three commitments in the way we work

Safety, sustainability and training guide the way EFZ designs and builds, chooses its materials and keeps its people's skills up to date.

Four EFZ technicians in helmets and high-visibility workwear push a trolley along a road between industrial buildings.
An EFZ team on an industrial site, wearing helmets and high-visibility workwear.

Safety

Safety is part of the project from its conception, when EFZ assesses how the plant will be built without risk, how it will be maintained and how it will perform over time.

In its contracts EFZ protects the working conditions of every worker without exception. It reserves the right to report serious negligence to the authorities and suspends payments if there is no proof that social security contributions have been paid.

Sustainability

For every project EFZ quantifies the CO2 emissions avoided and chooses materials by assessing their characteristics and origin.

Training

EFZ follows a self-managed training model. Based on the work they do, each member of staff identifies the courses most useful to their role and attends them at specialist schools.

08Tools

Software and hardware

Design and field tools

Designers work with design and simulation software, while surveys and field checks rely on professional drones and dedicated instruments. The table lists the main software in use, by area.

Software in use by area
AreaTools
Electrical designETAP, Ampere
Technical drawingAutoCAD
Mechanical designSolidWorks
Fluid dynamicsOpenFOAM
Solar PVPVsyst, SAM
Drone survey processingDJI Terra
09Client area

For clients

Project documents in one place

The client area is where EFZ Italia's clients access the documents and information of the projects carried out together.

Go to the client area
10Contact

Enquiries and applications

Write to EFZ

For business enquiries, land availability, supplier qualification and job applications.

amministrazione@efz.mx
EFZ Italia S.r.l. a socio unicoCompany subject to the direction and coordination of EFZ Energy S.A. de C.V.
Registered office: Via Egadi 7, 20144 Milano, Italy
T +39 0372 436386 · PEC efzitalia@legalmail.it
VAT and tax code 01618940199 · REA MI-2772655