Considering a SCADA Upgrade? Make Sure You're Prepared

Alyssa
June 20, 2024
7 min read

In the ever-evolving landscape of industrial production and utility sectors, the decision to incrementally upgrade or completely overhaul SCADA (Supervisory Control and Data Acquisition) systems is as critical as deciding whether to renovate an old house or build a new one from scratch. This decision involves considering various factors, such as the state of aging facilities, the impact of new technologies, and practical considerations like budget, downtime, and risk.

State of Aging Facilities

  • Average Age: On average, facilities such as water treatment plants and oil refineries are around 50 years old. Typically, systems are only upgraded every 15-20 years, leaving major gaps in operational capabilities.
  • Questions to Consider: When was the last time your system had an effective upgrade? Were there wish-list items that didn't get addressed? What is currently impeding a smoothly operating system?

Impact of New Technologies

  • Technological Advances: Recent updates in technology have the potential to significantly impact systems and their performance. From digital twin master planning to predictive modeling technologies, modern advancements can dramatically increase effectiveness, safety, and environmental compliance.

Practical Considerations

  • Budget: System upgrades often comprise a large portion of typical operation budgets and will likely require additional funding. Without careful consideration, one might find themselves in the middle of an unfunded project. A phased approach can help manage costs more effectively.
  • Downtime: This varies by industry, individual systems, and the type of update being performed. Sometimes no downtime is required, while other times significant downtime is needed. Careful planning and preparation can mitigate these costs and risks.
  • Cybersecurity: Any major change or update carries inherent cybersecurity risks. A slow upgrade over time may leave systems vulnerable to cyberattacks due to inconsistent security measures across old and new components. Conversely, a complete system upgrade must ensure robust security protocols are in place to protect against threats during the transition period. Collaborative workshops focus on evaluating current security measures and implementing robust protocols to safeguard critical infrastructure.
  • Risk: A slow upgrade over time may result in unpredictable performance due to the mix of new and old equipment. Conversely, a complete system upgrade may initially run less effectively as people adapt and the new system is implemented.

This is why APCO recommends a comprehensive Master Plan. A Master Plan is a clearly outlined checklist that takes you from where you are to your ultimate goal for your system. It is not a contract requiring us or any entity to actually be the ones to fulfill the plan. APCO will conduct a thorough review of your ultimate goals, evaluate where you are right now, and provide you with clear instructions on how to get there. The plan is yours to use however you please.

The Role of a Comprehensive Master Plan

This is why APCO recommends a comprehensive Master Plan. Developing a Master Plan for SCADA systems is the best way to balance these considerations. A Master Plan is a clearly outlined checklist that takes you from where you are now to your ultimate goal for your system. It is not a contract requiring us or any entity to actually be the ones to fulfill the plan. APCO will conduct a thorough review of your ultimate goals, evaluate where you are right now, and provide you with clear instructions on how to get there. The plan is yours to use however you please.

This approach provides a clear, step-by-step plan to upgrade according to all operational, budgetary, and security considerations. Partnering with an expert like APCO ensures a strategic roadmap that optimizes reliability, security, and efficiency.

Weighing the Decisions

Start by evaluating the current SCADA system to identify strengths, weaknesses, and areas for improvement. This assessment forms the foundation for a strategic plan, outlining costs and priorities to align with operational needs and long-term sustainability goals.

Case Example: In the case of one of our clients, a small water district, we managed to stretch their budget by phasing their SCADA system upgrades over five years. By focusing on the most critical updates first and spreading out the investment, the district improved its system without a massive upfront cost, proving that a well-structured Master Plan can make significant upgrades financially manageable.

Minimizing operational disruptions is crucial. A phased approach to SCADA upgrades allows organizations to maintain full operational capacity during critical periods. This incremental strategy mitigates risks associated with system downtime while ensuring seamless integration of new technologies and functionalities.

Case Example: A thorough review of a refinery's existing infrastructure proved to be invaluable. It revealed that no additional purchases of software licenses or hardware were needed to realize the expected benefits. The proposed upgrades could fully operate on existing hardware and software. The expected outcomes included:

  1. Maximizing the yearly benefit of the project to the refinery.
  2. Minimizing the time between the start of the project and benefit recovery.
  3. Promoting the adoption of the multivariable controller by operations.

Leveraging Expertise for Optimal Outcomes

APCO’s Master Plan development involves comprehensive workshops exploring our experience-based recommendations in cutting-edge SCADA hardware, software, and networking technologies. These sessions equip stakeholders with in-depth knowledge to make informed decisions, fostering a collaborative environment where operational needs align with technological advancements.

Conclusion: Future-Proofing Through Strategic Planning

Choosing to develop a SCADA Master Plan is a commitment to operational excellence and future-proofing critical infrastructure. It ensures enhanced system reliability, cybersecurity resilience, and scalability for years to come. By taking a methodical, phased approach to SCADA upgrades, organizations can navigate the complexities of modernization without overwhelming their resources or compromising on security.

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