World Hydropower Congress 2019

The Registration and Information Desk is located at the entrance of the venue

Please remember to bring your confirmation letter and proof of identification (passport) when collecting your delegate badge

Registration & venue opening times:

Sunday 15:00 – 19:00 (badge collection at the Pullman La Défense hotel)
Monday – 08:00 – 20:00
Tuesday – 08:00 – 20:00                         
Wednesday 08:00 – 18:30
Thursday 08:30 – 17:00*

*registration will close at 16:00

Venue address
The address of the venue is: Espace Grande Arche, Parvis de la Défense, 92044 Paris

There will be security staff on the doors at the entrance to Espace Grande Arche who will be checking bags and ensuring all delegates are wearing their ID badge when returning onsite.

ID badges
For identification and security reasons, identification badges should be worn by all participants at all times during the congress and at official functions. If you lose your badge please report the loss to the registration team immediately.

Should you need any assistance onsite please speak to a member of the IHA team wearing dark blue lanyards.

If you have a question you can contact a member of the team at:

Opening reception
Your congress pass includes entry to the opening reception which takes place after the opening plenary on Tuesday 14 May. Join us for a drink and network with friends old and new whilst enjoying some musical entertainment.

Dress code
Normal business attire is suitable for both the congress and the dinner, however you are welcome to wear traditional dress or cocktail dress for the evening events if you wish.

Lunch and coffee breaks
Your congress pass includes lunch and coffee breaks on Wednesday 15 May and Thursday 16 May. Catering will be served in Eiffel 2 on the lower ground floor alongside the showcase area. Additional seating is available in the VIP area for partners and sponsors, where refreshments will be served all day

Most of our recommended hotels are within walking distance to Espace Grande Arche, however for those staying in hotels further away your concierge will be able to advise of transport.

The nearest taxi rank to Espace Grande Arche for pick up and drop off is Place Carpeaux 92800 Puteaux. Further taxi information can be found online at If you are using a metered taxi and intend to pay with a non-French credit card, we recommend that you check with your driver whether they will accept your mode of payment before entering the vehicle.

There are also Uber cars in the area. Recommended pick up and drop off points are: Place Carpeaux 92800 Puteaux and the Pullman Hotel, which are easy to find for drivers.

Public transport
Before you travel home each evening, view the latest travel information conveniently displayed on the screen in the registration area, by the entrance.

The venue is well served by public transport but please be aware that the journey may take longer when travelling at busy times during the morning and evening.
Metro Line – 1, La Défense Grande Arche station
Bus Lines – 141, 144, 159, 246, 272, 275, 378, 262, 161, 174, 360, 160, 258, 541 and 73
Transilien Lines – L and U, La Défense Grande Arche station
RER Line – A, La Défense Grande Arche station
Tramway – T2, La Défense Grande Arche station
Train 25 min from Gare Saint-Lazare / 35 min from Gare de Lyon, Gare Montparnasse, Gare de l’Est and Gare du Nord: (for train travel) (Paris Tourism Office) (Shopping centre)

Paris is served by two main airports Charles de Gaulle and Orly. Typical journey times are 30-60 min, depending on traffic. (Paris Airport)

Near Grande Arche of La Défense: CNIT, exit place Carpeaux, Crédit Mutuel.
La Défense Plaza : Les 4 Temps Shopping Mall, ground level, LCL ;
Near Castorama, Société Générale ;
7 place de La Défense, HSBC ;
opposite Info Box La Défense, CIC and Caisse d’Epargne

Emergency numbers
If you require assistance, please speak to a member of the Espace or IHA team. French emergency numbers are:
Medical emergency -15
Police – 17
Fire – 18

The working language of the event is English. Interpreters will interpret into French, Spanish and Chinese. Russian interpretation will be provided during the opening ceremony. You will need to collect your headset at the cloakroom in registration each day and return it before you leave each evening.

Lost property
All personal property is the responsibility of the individual and brought to the congress at the owner’s risk. Unfortunately, we are unable to provide any form of compensation for items that go missing, however the best place to ask if anything has been handed in is the information desk located near the entrance.

Mobile app
This website is fully mobile responsive. In addition, IHA members can network online via the Hydropower Pro app available in the Apple App Store and Google Play Store.

Social media
Join the conversation on LinkedIn and Twitter (@iha_org) and use the official hashtag: #worldhydrocongress

Photography and videography
You are welcome to take limited photographs at the venue, provided  that you limit the number of photographs taken during sessions and do not cause disruption to other participants. Only Accredited Media are permitted to film in pre-approved locations.

The organisers have photographers/videographers on site who will be capturing content for publicity purposes, and a selection of photos will be made available to download at:  Please let a member of IHA staff know if you would rather not be photographed.

IHA membership

Not yet an IHA member? Find out more about the benefits of joining from the team wearing blue lanyards or at the IHA area in Eiffel 2, or visit