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Project · CIGRE Paris Session 2026

Six days.
Thirty rooms.
One schedule.

The world congress on electrical power, at the Palais des Congrès de Paris and the Hyatt Regency. From 19 to 29 August 2026, Chroma ran the audiovisual technical coordination, hour by hour.

For
Viparis
Venue
Palais des Congrès + Hyatt
Role
AV technical coordination
Edition
Our 3rd CIGRE
Read the story ↓

01 · What we were entrusted with

Getting every contributor to work as one team

At CIGRE, nobody supplies all of the technical side. The Palais rents out its rooms and its staff, while others bring the video, the filming and the technicians. Our job: making sure everyone knows what to do, when and where, across thirty or so spaces on four levels, plus three rooms in the hotel opposite.

For whom

  1. CIGREOrganises the congress
  2. Pro4EventsOrganising agency
  3. ViparisManages the Palais and its teams

Audiovisual technical coordination

Chroma Technique

Juhel Sangla, technical coordinator for Viparis. All requests from the client, the agency and the venue arrive here, and go back out to the field as a single schedule.

  • 30spaces on 4 levels, plus 3 rooms at the hotel
  • 27room sheets printed for the stage managers
  • 11Palais technicians assigned by name
Juhel Sangla overseeing the congress video control room

What we steered, and why

  • MVisionVideo · LED · structures

    Screens, video and structures for the special formats, aligned room by room with the shared schedule.

  • VITCFilming · NDI

    62 filming slots and the in-room broadcast, organised on the broadcast schedule.

  • La TechniqueFreelance technicians

    The freelance technicians, cross-checked with the Palais teams, room by room.

The plans, before the first cable

02 · Before

From November to August: nine months of support.

  1. The first discussions

    Work begins with Viparis and the organising agency, using the 2024 edition as a reference.

  2. Floor plans and 3D

    The rooms go onto plan, with 3D views upstream to validate the layouts before anything is ordered.

  3. A shared schedule

    An hour-by-hour schedule, all rooms, shared by the venue, the agency, the client and the suppliers. Then one sheet per room for the stage managers.

  4. Teams assigned

    Eleven Palais technicians, freelance technicians and one floating reinforcement, checked name by name, room by room.

03 · The week

Eleven days, room by room.

Six rooms out of thirty, to show the essentials: staggered builds before opening, rooms that change shape during the week. The real schedule covers 10 days × 14 hours, all rooms.

RoomWed 19Thu 20Fri 21Sat 22Sun 23Mon 24Tue 25Wed 26Thu 27Fri 28Sat 29
NDI control room · 341
NDI rackNode + testsDaily broadcast
Grand Amphithéâtre
Delivered at 13:00Plenaries
242AB
ConfigurationsVideo callCamerasVideo callCameras
252AB
BanquetExecutivesNC Forum
Hyatt · R1, R2, R15
FibreLinked rooms
Salon d’honneur
CocktailCouncil

04 · Focus on one day

Room 252AB, Monday 24 August.

The tightest moment of the week: an executives’ dinner between two sessions.

  1. Full-scale rehearsal

    Speakers walk through the built room, with the microphones they will have at midday.

  2. The debate begins

    250 to 280 executives at the tables. Eight transmitters take turns on a four-channel receiver: four handheld mics, four headset mics.

  3. End of the debate

    The guests leave.

  4. De-rig

    Tables, top table, screen: everything goes.

  5. Re-build

    The room takes on the configuration of the next session. It will change shape five times during the week.

05 · What the audience does not see

The numbers behind a week without a visible incident.

Wireless microphones ready on the seats
0frequency conflicts during the week. The wireless microphone plan has 151 lines, with 26 frequencies reserved for the Palais.
62filming slots, in around fifteen rooms, from a dedicated control room.
47wireless microphones added to the room allocations: 34 handheld mics, 13 headset mics.
5hybrid sessions, one of them with a 360° camera rigged at 07:00.
2,500participants, roughly, at the opening ceremony, broadcast to several rooms at the same time.

06 · In the field

The Palais, seen from backstage.

The grid, before opening
Sound control room facing the Grand Amphithéâtre
Sound control room, Grand Amphi
Handheld microphones placed on the seats
Microphones ready on the seats
Operators in the video control room
Video control room
Walkways
Technician at the control rack
Feed monitoring
One of the 30 rooms
Suspended sound

Saturday 29 August, 13:00

The Technical Council ends. The rooms are already empty.

Overnight de-rig on Friday, zone by zone, ticked off a list. On Saturday, only the collections remain.

Is your congress next? Tell us about your programme: number of rooms, filmed sessions, video calls. We will come back to you with an initial technical assessment.

Would you rather talk it through on the phone?

07 57 59 44 26