Year: 2026

ABB Engineering Studies:

Focusing to enable Hydrogen production

Getting the power equation right

Hydrogen production faces significant electrical challenges. Our expertise, including

system modelling, optimizes the process by focusing on minimizing energy prices as

well as predictable supply, reducing the Levelized Cost of Hydrogen (LCOH).

We support projects from feasibility studies to mega-scale plants, addressing energy

supply volatility with a focus on grid stability, predictability, flexibility, and efficiency.

Standardizing and modularizing Balance of Plant (BoP) components and integrating

renewable sources like wind, solar and hydro systems to further optimize production.

Our Offering

ABB Engineering Studies provides a robust framework for advancing hydrogen

production capabilities, addressing all types of projects with a clear focus on

integrating innovative technologies and methodologies to drive sustainability and

efficiency in hydrogen generation. As part of Engineering Studies and Consulting,

we undertake a variety of studies, including:

• Single-line Diagram Development

• Short-circuit Study

• Load Flow Study

• Protection Coordination Study

• Arc Flash Hazard Analysis

• Power Quality Analysis

• Motor Starting Analysis

• Power System Stability Analysis

• Insulation Coordination Studies

• Instrument Transformer Sizing

• Over Pressure Calculation

• Disturbance/Fault Root Cause Analysis

Key features and benefits

• Project life cycle integration

• Cloud-based execution

• Efficiency through modularity

• Standardization for excellence

• Virtual engineering & digital twins

• Digitalization driving efficiency

Benefits of Co-design & Co-delivery using ABB Adaptive Execution

• Reduce building footprint and associated contents (cabling, HVAC, steel, etc.)

• Improve project delivery timelines and schedule achievement

• Reduce impact of changes, allowing faster, cost-efficient changes

• Lower costs through standardization and integration

• Reduce risk of project and cost overruns

• Smooth transitions between project phases

• Optimize power management strategies

• Coordinate commissioning for smoother start-up

• Identify and mitigate risks earlier

• Develop cross-disciplinary skills for a versatile project team

ABB Adaptive Execution™ for Co-design & Co-delivery

Optimize project delivery with ABB Adaptive Execution™

ABB Adaptive Execution™ is a comprehensive solution for capital projects, designed

to increase value and reduce costs through a standardized delivery model and

collaborative partnerships. It integrates ABB’s global infrastructure, methodologies,

technology, and capabilities to ensure projects are delivered on time, within budget,

and to the required specifications.

Key features and benefits

• Project life cycle integration

• Cloud-based execution

• Efficiency through modularity

• Standardization for excellence

• Virtual engineering & digital twins

• Digitalization driving efficiency

Our Offering

• Unified control interface: Integrate data from all plant assets, including

electrolyzer, power systems and auxiliary equipment, into one dashboard.

• Real-time performance visualization: Display key performance indicators,

operational status, and alerts in an intuitive, easy-to-understand format.

• Advanced analytics integration: Incorporate predictive analytics and AI-driven

insights to identify optimization opportunities and potential issues early.

• Customizable views: Tailor dashboards to specific roles and responsibilities

within the organization, ensuring relevant information is always at hand.

• Mobile accessibility: Enable remote monitoring and control capabilities for

improved flexibility and rapid response times.

Benefits

• Enhanced operator effectiveness: Streamline decision-making processes with

comprehensive, real-time information at operators’ fingertips.

• Improved asset performance: Quickly identify and address inefficiencies or

potential problems across the entire plant.

• Reduced downtime: Proactively manage maintenance schedules and address

issues before they lead to shutdowns.

• Optimized resource allocation: Make data-driven decisions on resource

deployment and operational strategies.

• Increased plant safety: Improve response times to potential safety hazards with

centralized monitoring and alert systems.

• Scalability and future-readiness: Easily integrate new assets and technologies

as your facility grows and evolves.

Asset-wide Monitoring & Control

Empower your operations with

ABB’s integrated “single pane of glass” solution

ABB’s monitoring and control solution boosts operational efficiency, asset

performance, and productivity for green hydrogen producers. This “single pane of

glass” approach offers insights for informed decisions, process optimization, and

peak performance.

Our Offering

• Unified control interface: Integrate data from all plant assets, including

electrolyzer, power systems and auxiliary equipment, into one dashboard.

• Real-time performance visualization: Display key performance indicators,

operational status, and alerts in an intuitive, easy-to-understand format.

• Advanced analytics integration: Incorporate predictive analytics and AI-driven

insights to identify optimization opportunities and potential issues early.

• Customizable views: Tailor dashboards to specific roles and responsibilities

within the organization, ensuring relevant information is always at hand.

• Mobile accessibility: Enable remote monitoring and control capabilities for

improved flexibility and rapid response times.

Our offering

• Electrical load optimization and shedding: Intelligent power distribution

systems that maximize efficiency and prevent overloads.

• Power control and dynamic stability: Advanced solutions ensuring consistent

power quality to minimize disruptions and protect equipment.

• Smart Grid integration: Seamless integration capabilities enabling efficient

energy management and optimal utilization of renewable sources.

• Holistic power and energy management: Solutions that address both

instantaneous power needs and long-term energy considerations to optimize

production efficiency.

Benefits

• Optimized asset performance: Achieve peak operational efficiency through

intelligent power supply management.

• Enhanced power quality and reliability: Minimize power-related disruptions and

equipment damage.

• Improved energy efficiency: Reduce operational costs and increase hydrogen

production efficiency over time.

• Future-ready infrastructure: Easily adapt to evolving smart grid technologies

and renewable energy integration.

• Balanced power and energy management: Optimize both instantaneous system

capabilities and long-term operational costs.

Delivering the Lowest Levelized Cost of H2 with Predictability and Profitability

Power Design & Management

Maximize efficiency and stability

with ABB’s integrated power solutions

Leveraging ABB’s expertise in power design and management, green hydrogen

plants can optimize operations and reduce costs. ABB ensures robust, efficient, and

cost-effective operations while maintaining flexibility for future energy landscapes.

We help balance loads, maintain power quality, integrate with smart grids, and

manage both immediate power needs and long-term energy efficiency to control

costs and maximize production.

Our offering

• Electrical load optimization and shedding: Intelligent power distribution

systems that maximize efficiency and prevent overloads.

• Power control and dynamic stability: Advanced solutions ensuring consistent

power quality to minimize disruptions and protect equipment.

• Smart Grid integration: Seamless integration capabilities enabling efficient

energy management and optimal utilization of renewable sources.

• Holistic power and energy management: Solutions that address both

instantaneous power needs and long-term energy considerations to optimize

production efficiency.

Optimize your plant configuration through smart control of UNIREC H2

Optimized CAPEX

• Minimized overall plant footprint

• Optimized compensation by means of tailored architecture

• Standardized/modular solution with short delivery time

Optimized OPEX

• Increased efficiency by reducing losses

• Availability up to 99.94%

• Reduced maintenance, guided by augmented reality

Rely on trusted supplier

• Mitigate risks with a supplier with over 100y of proven track record in engineering,

manufacturing and servicing rectifiers and controls

• Global manufacturing and local service footprint

Water- or air-cooled?

UNIREC H2 Air cooled solution

• DC Current building blocks up to 4.5 kA

• Scalable architecture achieve electrolyzer currents of up to 36kA

Compact footprint

UNIREC H2 Water cooled solution

• DC current building blocks up to 6 kA

• Scalable architecture achieve electrolyzer currents of up to 36 kA

• Maximize power on given footprint – Up to 3 times the power on same footprint (vs Air cooled design)

Optimize your electrolyzer power supply through a powerful and scalable power rectifier UNIREC H2.

We are now at the start of the age of hydrogen. Produced using renewable resources,

this versatile element could well prove to be the key to meeting the most important

challenge of our time – the decarbonization of our economy.

ABB is already today deploying technology and solutions to support the new hydrogen

value chain as we transition to a cleaner energy future.

Benefiting for more than 100 years of experience in the development of

DC rectifiers for power generation industry with thousands of equipment in operation worldwide,

ABB has designed a powerful power rectifier UNIREC H2.

Based on a proven full-wave thyristor converter and ABB latest control technology,

UNIREC H2 supply the necessary electric current to dissociate water molecule and produce hydrogen.

Designed for projects with high requirements in terms of performances and capacities,

ABB UNIREC H2 is based on high-end control technologies and advanced regulation and protection

functions.