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Gas Insulated Substations Conference

March 24 - 25, 2026 Boston, MA Loft on Two

“It was such a great conference with many interesting topics! I loved that all parts of the industry were there, from manufacturing to utility, to openly share their expertise. It was also the perfect size – not too big where it’s too overwhelming. Thanks for such a great conference!

Project Manager, Hawaiian Electric

“Great mix of technical information & personal experience”

Electrical Engineer, SECO

“It’s great to bring utilities and vendors together to discuss best practices and lessons learned”

Project Manager, Southern Company
Read more testimonials

This helped me better understand the basics of GIS and helped to get me up to speed with industry developments

Engineer, Southern California Edison

A great exposure to the real-life engineering, operations issues, and considerations for GIS

Stations Engineering Manager, Florida Power & Light

Excellent conference that covered the topic very well

Regional office manager, SECO

Very good conference to learn about GIS equipment and how it is used at various locations.

Sr. Engineering Consultant, SECO

I would recommend this conference to all new utilities/users who are not familiar with GIS.

Business Development Manager, Siemens

A very practical conference with frank and open discussions. Very good presenters.

VP, MJ Electric

Faced with increasing demands for reliability, improved aesthetics, land restrictions, and security, the adoption of gas insulated substations (GIS) continues to increase. This conference will address technical developments and business considerations for GIS through case studies and new developments in technology.

Participants will have the opportunity to hear lessons learned and challenges with GIS from utilities that have been building and operating GIS while also seeing an active urban station during an optional tour.

Register today to hear developments in technology, including gas alternatives and much more driving the GIS revolution.

Learning Outcomes

  • Review how Eversource uses GIS and what the future holds
  • Identify some of the challenges Eversource has faced in a fully below grade substation
  • Assess benefits of Dominion Energy’s medium voltage GIS applications
  • Identify Pepco’s Medium Voltage design and maintenance lessons learned
  • Review insights into GIS applications for data center expansion
  • Review the challenges on the technology/manufacturing sides of SF6 Free medium voltage
  • Identify how low power instrument transformers are transforming and simplifying GIS
  • Engage in a panel discussion on pressing GIS challenges and topics
  • Discuss the lessons learned by ComEd in their various stations
  • Review what is involved in a GIS replacement project
  • Gain hands-on knowledge from an optional walking tour of an urban GIS station

Register

REGISTER NOW FOR THIS EVENT:

This event has passed and cannot be registered for. If you would like to see if this event will be offered again please reach out to [email protected]

Your registration may be transferred to a member of your organization up to 24 hours in advance of the event. Cancellations must be received on or before February 20, 2026 in order to be refunded and will be subject to a US $195.00 processing fee per registrant. No refunds will be made after this date. Cancellations received after this date will create a credit of the tuition (less processing fee) good toward any other EUCI event. This credit will be good for six months from the cancellation date. In the event of non-attendance, all registration fees will be forfeited. In case of conference cancellation, EUCIs liability is limited to refund of the event registration fee only. For more information regarding administrative policies, such as complaints and refunds, please contact our offices at 303-770-8800

Day one

Tuesday, March 24, 2026

Day two

Wednesday, March 25, 2026

Agenda

Tuesday, March 24, 2026

Boston, MA

Registration & Networking Breakfast

8:00 AM

Group Luncheon

11:45 AM - 12:45 PM

Adjourn for the day

5:00 PM

8:00 AM - 8:30 AM

Registration & Networking Breakfast

8:30 - 8:45 AM

Introductions

8:45 - 9:00 AM

Welcome Keynote

How does Eversource utilize GIS and what will the future hold for the company’s use of the it will be discussed in this kick-off to the conference.

Paul Melzen Director of Substation Design Engineering Eversource Energy

9:00 - 9:45 AM

Greater Cambridge Energy Program (GCEP)

The presentation will review the utilization of gas insulated switchgear within the substation with details on the challenges and decision making for the design of the GIS for this complex substation project featuring a fully below grade substation.

Chris Arnieri Manager - E.MA Substation Design Engineering Eversource Energy

Lee Brandenburg Manager, Capital Projects Engineering Eversource Energy

9:45 - 10:30 AM

HVGIS: Today’s Optimal Substation Solution

This presentation will discuss Dominion Energy’s use of HVGIS and why it was chosen over AIS. HVGIS technical specs and fundamentals will be reviewed including the equipment procurement process and cost of life for GIS. Describe challenges utilities have discovered when designing and installing GIS. The deployment of HVGIS Mobiles and moving toward Digital Substations with HVGIS will be discussed briefly.

Jared B. McPherson HVGIS Consulting Engineer Dominion Energy

10:30 - 11:00 AM

Networking Break

11:00 - 11:45 AM

Medium Voltage GIS Applications at Pepco Holdings

This presentation will provide an overview of Medium Voltage Switchgear installations on the Delmarva system including design/maintenance considerations as well as lessons learned from recent installations.

Ayodele (AJ) Ajayi Section Engineer - SME - Breakers, Switchgears, GIS Pepco Holdings Inc

11:45 AM - 12:45 PM

Group Luncheon

12:45 - 1:30 PM

GIS Solutions for Data Centers

Data centers are the biggest increase on the grid. Gas-insulated substations (GIS) play a critical role in enabling high-capacity, high-reliability power delivery to meet the growing demands of digital infrastructure including data centers.

Nicolas Velez Lara Area Sales Manager – GIS Hitachi Energy

Thomas Schulz Strategic Product Marketing Manager – Switchgear - North America Hitachi Energy

1:30 - 2:15 PM

SF6 Free Medium Voltage GIS

This presentation will discuss current trends in SF6 Free medium voltage and challenges on the technology/manufacturing sides, and project considerations for substations/utilities that include Free SF6 GIS.

Dr. Raimund Summer Senior Principal Architect MV GIS Schneider Electric

2:15 - 3:00 PM

LPIT (Low Power Instrument Transformers) For Voltages Up to 245kV

This presentation will explore the development of LPIT and how it is transforming and simplifying the design of GIS.

David Wilson HV GIS Subject Matter Expert Siemens Energy

Dr. Diego Machetti Switching-CROSS Product Owner Siemens Energy

3:00 - 3:15 PM

Networking Break

3:15 - 4:00 PM

Online Monitoring for GIS: Early Detection to Rapid Restoration

A technical overview of GIS online monitoring, including UHF PD, SF₆, breaker and cable termination monitoring, combined with Arc Detection and PD Localization to support early condition assessment and rapid post‑fault restoration for the GIS. 

Bharat Nandula Product Manager for GIS and Transformer Condition Monitoring Qualitrol

4:00 - 5:00 PM

GIS Challenges and Future Panel Discussion

Engage with these utility GIS experts in a question-and-answer session that will cover various topics and challenges facing the use of GIS and what the future might hold.

Binyam Yeshitla, P.E. Principal Engineer (GIS SME) T&S Standards & Equipment Engineering Pepco Holdings

Chris Arnieri Manager - E.MA Substation Design Engineering Eversource Energy

Jim Stage Engineering Technical Consultant Dominion Energy

Rajinder Rai Principal Engineer Seattle City Light

Agenda

Wednesday, March 25, 2026

Boston, MA

Networking Breakfast

8:00 AM

Adjourn for the day

1:00 PM

8:00 AM - 8:30 AM

Networking Breakfast

8:30 - 9:15 AM

ComEd GIS Projects

This presentation will discuss lessons learned and experiences across ComEd’s Gas Insulated Substations from the variety of project voltages and types.

Cesar Castillo, Sr. Engineer Equipment Standards ComEd (Invited)

9:15 - 10:00 AM

Investigation of Self-Sealing SF6 Leak and Lessons Learned for GIS Design

This presentation will review a unique self-sealing leak and what Eversource has learned from designing GIS projects.

Patrick Fitzgerald Manager - Substations Solutions Engineering Eversource

10:00 - 10:30 AM

Networking Break

10:30 - 11:15 AM

Downtown Boston’s GIS Replacement Project

This presentation will discuss a GIS replacement project of 36 year old 115kV and 345kV GIS (four 345kV GIS breakers and fifteen GIS Breakers) at this downtown Boston location. Following the presentation is the optional walking tour of the station to see it firsthand.  

Ruvani Cornelio Lead Engineer Substation Design Eversource Energy

11:15 AM

Conclusion of Conference

11:15 AM - 1:00 PM

Tour of Eversource Energy’s Station

Tour has been sold out and is full.

PPE is required for the tour. This will include steel toe shoes, FR clothing, hard hat, and safety glasses. 

Speakers

Ayodele (AJ) Ajayi

Section Engineer - SME - Breakers, Switchgears, GIS
Pepco Holdings Inc

Chris Arnieri

Manager - E.MA Substation Design Engineering
Eversource Energy

Lee Brandenburg

Manager, Capital Projects Engineering
Eversource Energy

Cesar Castillo, Sr.

Engineer Equipment Standards
ComEd (Invited)

Ruvani Cornelio

Lead Engineer Substation Design
Eversource Energy

Patrick Fitzgerald

Manager - Substations Solutions Engineering
Eversource

Jared B. McPherson

HVGIS Consulting Engineer
Dominion Energy

Dr. Diego Machetti

Switching-CROSS Product Owner
Siemens Energy

Paul Melzen

Director of Substation Design Engineering
Eversource Energy

Bharat Nandula

Product Manager for GIS and Transformer Condition Monitoring
Qualitrol

Rajinder Rai

Principal Engineer
Seattle City Light

Jim Stage

Engineering Technical Consultant
Dominion Energy

Thomas Schulz

Strategic Product Marketing Manager – Switchgear - North America
Hitachi Energy

Dr. Raimund Summer

Senior Principal Architect MV GIS
Schneider Electric

David Wilson

HV GIS Subject Matter Expert
Siemens Energy

Binyam Yeshitla, P.E. Principal Engineer (GIS SME)

T&S Standards & Equipment Engineering
Pepco Holdings

Nicolas Velez Lara

Area Sales Manager – GIS
Hitachi Energy

Location

Loft on Two
One Financial
Boston, MA 02111

Nearby Hotels/Airports

Continuing Education Credits

IACET

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EUCI is accredited by the International Accreditors for Continuing Education and Training (IACET) and offers IACET CEUs for its learning events that comply with the ANSI/IACET Continuing Education and Training Standard. IACET is recognized internationally as a standard development organization and accrediting body that promotes quality of continuing education and training.

EUCI is authorized by IACET to offer 0.9 CEUs for this event

Verify our IACET accreditation

 

Who recognizes IACET Credits?

 

Requirements for Successful Completion of Program

Participants must sign in/out each day and be in attendance for the entirety of the conference to be eligible for continuing education credit.

 

Instructional Methods

Case studies, PowerPoint presentations, panel discussion, site visit

CPE

Upon successful completion of this event, program participants interested in receiving CPE credits will receive a certificate of completion.

Course CPE Credits: 11.0
There is no prerequisite for this Course.
Program field of study: Specialized Knowledge
Program Level: Basic
Delivery Method: Group Internet Based
Advanced Preparation: None

CpeEUCI is registered with the National Association of State Boards of Accountancy (NASBA) as a sponsor of continuing professional education on the National Registry of CPE Sponsors. State boards of accountancy have final authority on the acceptance of individual courses for CPE credit. Complaints regarding registered sponsors may be submitted to the National Registry of CPE Sponsors through its website: www.nasbaregistry.org

CLE

Only registered attendees can request CLE credits for an EUCI course/event. Please email [email protected] prior to the course start date and list the state where you are licensed and your bar# as well as the name and date of your course/event in your request, and someone will be in contact.

Who Should Attend

  • Transmission and distribution executives and managers
  • Substation and distribution engineers
  • Project managers involved in substation design, modification, and installation
  • Utility asset managers
  • Construction firms involved in GIS projects
  • Transmission and distribution planners
  • Utility environmental managers

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