Specialized High Voltage Direct Current (HVDC) services are critical to sustain optimal functionality and ensure the economically safe operation of HVDC systems throughout their lifecycle.
Siemens Energy is a global pioneer in HVDC technology, delivering comprehensive power transmission services that enable efficient, reliable, and sustainable power transmission across continents and seas. Its HVDC life cycle services aim to achieve up to 99% system availability, supporting operators in maintaining high efficiency, reliability, and security.
Siemens Energy’s HVDC transmission technology has a proven record of high performance and reliability worldwide. To sustain optimal functionality and economic operation throughout the long lifecycle of HVDC systems, comprehensive HVDC services are essential. They provide the backbone for modern grids, unlocking new possibilities to accelerate the global energy transition.
Siemens Energy provides tailored HVDC service solutions including preventive and corrective maintenance, spare parts management, system modernization, and retrofitting of legacy equipment, helping extend asset longevity and compliance with environmental and safety standards.
Siemens Energy provides tailored “care free packages” that cover operation and maintenance, while guaranteeing performance through clearly defined KPIs and therewith ensure maximum reliability and predictable costs for customers´ energy assets. Siemens Energy service programs include extended warranties and flexible availability commitments, giving you peace of mind and long term security.
Service programs up to full operation and maintenance:
Warranty and availability extensions:
Ensuring the reliability, performance, and future‑readiness of our customers´ HVDC systems requires more than just service - it demands expertise, innovation, and trust. Siemens Energy service offering for consultancy and advisory is designed to maximize availability, extend asset lifetime, and safeguard infrastructure..
Spare parts are the backbone of reliable HVDC operations. With immediate availability of high quality components, downtime is minimized, asset performance is safeguarded, and system lifetime is extended.
Siemens Energy ensures global supply security, cost efficiency, and proactive risk mitigation and therewith long‑term value for customers´ grid investments.
Spare parts consulting and spare parts management
In order to maximize the availability of HVDC installations and therewith secure power supply, it is highly recommended to maintain critical infrastructure on predetermined intervals and / or condition based.
Furthermore, in case of unplanned outages, emergency services should be at hand to bring assets back in operation as quick as possible.
Customers benefit from increased reliability of HVDC installations and minimized risk for unplanned outages, the increase of cost effectiveness, due to wear reserves used to full capacity.
The change of worn parts will be done during projectable shutdowns throughout granting sufficient lead time.
To maximize return on investment and extend system lifespans, Siemens Energy offers modernization services that incorporate technological advancements into existing HVDC installations. Modernization can improve efficiency, capacity, and grid compatibility while adapting to new regulatory and environmental standards.
Siemens Energy provides tailored “care free packages” that cover operation and maintenance, while guaranteeing performance through clearly defined KPIs and therewith ensure maximum reliability and predictable costs for customers´ energy assets. Siemens Energy service programs include extended warranties and flexible availability commitments, giving you peace of mind and long term security.
Service programs up to full operation and maintenance:
Warranty and availability extensions:
Ensuring the reliability, performance, and future‑readiness of our customers´ HVDC systems requires more than just service - it demands expertise, innovation, and trust. Siemens Energy service offering for consultancy and advisory is designed to maximize availability, extend asset lifetime, and safeguard infrastructure.
From 24/7 expert hotline support and secure remote diagnostics to on‑site health checks, advanced training, and cyber‑security solutions, our services empower you to operate with confidence.
Combined with strategic asset consulting and proactive obsolescence management, we deliver not only technical excellence but also long‑term value for your grid Investments.
Spare parts are the backbone of reliable HVDC operations. With immediate availability of high quality components, downtime is minimized, asset performance is safeguarded, and system lifetime is extended.
Siemens Energy ensures global supply security, cost efficiency, and proactive risk mitigation and therewith long‑term value for customers´ grid investments.
Spare parts consulting and spare parts management
In order to maximize the availability of HVDC installations and therewith secure power supply, it is highly recommended to maintain critical infrastructure on predetermined intervals and / or condition based.
Furthermore, in case of unplanned outages, emergency services should be at hand to bring assets back in operation as quick as possible.
Customers benefit from increased reliability of HVDC installations and minimized risk for unplanned outages, the increase of cost effectiveness, due to wear reserves used to full capacity.
The change of worn parts will be done during projectable shutdowns throughout granting sufficient lead time.
To maximize return on investment and extend system lifespans, Siemens Energy offers modernization services that incorporate technological advancements into existing HVDC installations. Modernization can improve efficiency, capacity, and grid compatibility while adapting to new regulatory and environmental standards.
Siemens Energy integrates digital technologies to transform the delivery and management of HVDC systems:
• Real-time data analytics provide insights on asset health, performance, and grid interactions
• Digital twins simulate HVDC assets enabling scenario analysis and optimized maintenance planning
• Cloud-based platforms facilitate secure data exchange between operators, maintenance teams, and suppliers
• Cybersecurity frameworks protect mission-critical HVDC infrastructure from emerging threats
This digitalization minimizes downtime, reduces operational costs, and improves decision-making agility.
Siemens Energy’s HVDC service excellence is demonstrated through projects such as:
These projects exemplify Siemens Energy’s commitment to quality, innovation, and collaboration with customers worldwide.
Siemens Energy aligns HVDC services with global sustainability goals by:
The future of HVDC services at Siemens Energy focuses on enhancing system flexibility, enabling multi-terminal grid architectures, and pioneering ultra-high voltage DC solutions to meet evolving power system challenges.
Siemens Energy empowers HVDC operators to optimize the efficiency, reliability, and security of their assets throughout their entire lifecycle. Whether implementing an HVDC upgrade, managing life cycle services, or fortifying cybersecurity defenses, our comprehensive service offerings are designed to secure your power transmission investment for the future.
Contact Siemens Energy’s global support team anytime to discuss your HVDC service needs or to learn how our expert services can keep your HVDC systems running at highest availability and security.
HVDC services ensure that you availability stays on a high level during the lifetime of you asset.
Siemens Energy offers system upgrades, retrofits, and technology refreshes to improve efficiency, extend asset life, and comply with updated safety and environmental regulations.
Siemens Energy´s portfolio for HVDC services covers preventive and corrective maintenance, spare parts management, system modernization and retrofitting, cybersecurity, and full lifecycle support to maximize system availability and performance.
Through regular maintenance, advanced diagnostics, and modernization programs, Siemens Energy achieves up to 99% system availability, ensuring reliable, efficient HVDC operation.
Siemens Energys´ comprehensive cybersecurity services include proactive monitoring, patch management, vulnerability assessments, and rapid incident response tailored specifically for HVDC infrastructures.
Siemens Energy has global support teams available 24/7, delivering fast and expert assistance to minimize downtime and restore system performance promptly.
Siemens Energy´s offering covers customers´ entire HVDC asset – from converter valves, cooling systems, control and protection, transformers and fire protection to the complete HVDC system – delivering end to end asset care while remaining fully flexible to support individual scopes.
Yes, Siemens Energy provides maintenance, repair, and spare parts services for both Siemens and third-party HVDC systems to ensure peak performance.
Siemens Energy high-voltage direct current (HVDC) transmission has proven its high performance and reliability for many years. Nevertheless, during the long lifecycle of HVDC, various services are required to support its optimalfunctionality and the economically safe operation throughout the years. We provide availability of up to 99 % for high-voltage DC transmission.
HVDC services
Bringing energy from remote renewable energy generators to consumers and providing compensation for regional fluctuations in the production or consumption of electricity thanks to trans-national grid connections: HVDC transmission operators have to make sure their system provides the highest availability, performance, and efficiency at all times. One pillar to fulfill this challenge is our best-in-class HVDC hardware and software, but that alone is not enough to guarantee efficiency, security, and reliability for decades. Your system also needs regular maintenance, modernization, security checks and updates.
Siemens Energy can provide you with comprehensive services to increase the transparency of your HVDC system as a prerequisite for optimization and to ensure continuous availability as well as the highest possible performance.
Are you looking for preventive and corrective maintenance, sophisticated spare parts management, and modernization or retrofitting of older systems? If so, we will be at your side with our specific HVDC know-how and a wide-ranging service portfolio to ensure a highly available, secure, and cost-efficient HVDC operation as well as compliance with environmental and safety regulations.
Siemens Energy offers you a wide range of individualized services for your HVDC system, including our cyber security services for reliable and secure HVDC systems of the future
From reactive to proactive services, from repair and spare parts to service programs – our service portfolio for all kinds of high-voltage DC systems covers everything you need to keep your system up and running efficiently and up to date. See comprehensive details for our HVDC services below.
We successfully deliver fast, competent, and reliable product support for high-voltage DC transmission to all corners of the earth.