Annual Report 2010 - AdP

ii) As a result of changes to the volume of investment existing in the initial concession contracts, in some cases there have been
some so called expansion or modernization investments that may exhibit a residual value at the end of the concession period
and which will be reimbursed by the Awarding Authority or another entity at that date. Recognized amounts pertain to Águas
do Algarve (7,876,775 euros) and to Águas do Douro e Paiva (7,676,709 euros).
16.1 Customers
31.12.2010 31.12.2009
General 74,300 163,086
Municipalities 18.2 35,105,765 33,805,234
35,180,065 33,968,320
17. Inventory
31.12.2010 31.12.2009
Goods 358,709 380,228
Consumable materials 7,087,731 6,866,498
Finished goods 1,077,309 1,147,058
Reclassification and adjustment of stocks (2,706) (213)
Accumulated inventory losses due to impairment 17,1 (420,477) (468,379)
8,100,566 7,925,192
17.1 Accumulated inventory losses due to impairment
31.12.2010
Initial balance (468,379)
Conversion differences -
Increase (44,438)
Reversals 20,609
Outside the perimeter (Águas de Moçambique) 71,730
Final balance (420,477)
18. Customers
31.12.2010 31.12.2009
Customers - current account 18.1 279,316,518 229,276,403
Doubtful debt customers 10,293,318 20,662,452
Estimated services awaiting invoicing 15,963,176 14,563,656
Loses due to impairment of customers 18.3 (9,139,322) (19,594,177)
296,433,690 244,908,335
18.1 Customers
Suppliers c/a 31.12.2010 31.12.2009
General 60,146,964 37,142,082
Municipalities 18.2 219,169,554 192,134,322
279,316,518 229,276,403
2010 saw a significant increase in customers debt as a result of the significant worsening of the average receipts time period essentially
due to the increased difficulties that customers - municipalities - had in paying their debts. note 18.2 indicates the most significant
debts per municipality at 31 December 2010.
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