Iraq further alleges that cost and maintenance savings were not taken into account in SAT ’ s claim for the re-electrification of Mina Saud because SAT had ceased using its own plant to generate electricity . In support of this claim element , SAT ’ s primary evidence consists of evidence of expenses such as invoices , authorization for expenditure ( “ AFE ” ) , evidence of payments such as SAT ’ s bank account statements and bank transfer confirmations from Riyadh Bank and details on post liberation repairs .