Contact Us

Sustainable Energy for All


Vienna Office

Andromeda Tower 15th floor

Donau City Strasse 6


Vienna, Austria

Tel: +43 (0)1 2606083403



Washington, DC Office

1750 Pennsylvania Avenue NW

Suite 300

Washington, DC 20006


Mailing Address

Sustainable Energy for All

United Nations

Vienna International Centre

P.O. Box 500 F-162

A- 1400



Please note that in 2016 our offices will be closed on the following UN and public holidays


1 January, New Year’s Day

25 March, Good Friday

28 March, Easter Monday

2 May, in lieu of 1 May (May Day)

16 May, Whit Monday

7 July, Eid al-Fitr

13 September, Eid al-Adha

26 October, Austrian National Day

26 December, St. Stephen’s Day

27 December, in lieu of 25 December

    (Christmas Day)

New York

1 January, New Year's Day

25 March, Good Friday

30 May, Memorial Day

4 July, Independence Day

6 July, Eid al-Fitr

5 September, Labour Day

12 September, Eid al-Adha

24 November, Thanksgiving Day

26 December, Christmas Day (observed)

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