Water reserves



Weekly balance : 52%

The weekly balance (percentage) is calculated as the ratio of the volume of reserves recorded the past monday at 0:00h, to the maximum volume of water stocks possible for the reference fleet.

Download the data in the Excel 7.0 format
Years Download
2014 File.zip zip
2013 File.zip zip
2012 File.zip zip
2011 File.zip zip
2010 File.zip zip
2009 File.zip zip
2008 File.zip zip
2007 File.zip zip
2006 File.zip zip

Older data

You can find here a historical record of data for the years preceding the beginning of publication on RTE’s web site of the generators' data.

The same rules that are applied today have been used for the historical data.


Download the data in the Excel 7.0 format
Older data
.zip (12 Ko) zip

Document updated on : 08/10/2008

Origin of data

Data on available water reserves are compiled by generators and aggregated by RTE prior to publication.

To learn more about the specifications of publication on this website, click on this link


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By accessing this website, each user accepts the present disclaimer.

All production data published on this website are for energy-market players only. Such players undertake to take appropriate steps to verify the quality of the published data. As a consequence, each user acknowledges that he/she uses such published data and information at its own risks.

The freely published production data are for information purposes only and are not legally binding. The producers participating to these publications and RTE make their best efforts to provide the information they have at their disposal on the publication dates, except in case of force majeure. In particular, the provisional information constitute the producers’ best estimate at the time of the publication and are not legally binding ; they may vary, notably on the basis of analysis that may be carried out on technical and surety aspects. The producers give no warranty whatsoever as to the updating of the estimates due to new information.

RTE and the electricity producers disclaim all liability in case of total or partial interruption of the publications and disclaim all liability for loss or damage which may result from the use by third parties of the data and/or information so published, including any mistakes, inaccuracies, or omissions in the data and/or information to the fullest extent permitted by law.

RTE and the producers shall not be liable for any damage resulting from the use of the data and/or information, except in case of wilful misconduct (« faute intentionnelle avérée ») and provided the user demonstrates a direct link between the wilful misconduct and the damage or the loss he/she suffers.