|CHF thousands||2011||2012||Contract risks||Reversion provisions||Pension provisions||Other provisions|
|At 1 January||65,960||48,103||8||36,465||7,640||3,990|
|At 31 December||48,103||29,162||-||13,637||11,446||4,079|
|Expected maturity up to 1 year||21,484||1,335||-||472||-||863|
|Expected maturity within 2- 5 years||2,074||1,871||-||1,744||-||127|
|Expected maturity more than 5 years||24,545||25,956||-||11,421||11,446||3,089|
In 2012 the last instalment of the second part of the reversion waiver compensation for the Prättigau power plants was paid in the amount of around MCHF 20. The remaining provisions exist for the extensive deliveries of free energy to the municipality of Poschiavo. The provisions for free energy were reviewed and reversed in the amount of MCHF 3 through energy procurement in profit and loss.
Note 19 provides information on the measurement of the provision for pension fund obligations.
Other provisions cover various minor risks which are individually regarded as insignificant.