SAN JUAN – The Puerto Rico Comptroller’s Office Thursday said it found evidence of irregularities in the electric power company’s fuel purchasing and payments for professional service. The report establishes that in eight contracts and an amendment for the purchase of $4.6 billion worth of fuel between 2008 and 2012, the Puerto Rico Electric Power Authority (Prepa) did not include in the contracts a clause to charge interest for delays. Despite the absence of this clause in the contracts, the utility disbursed $3.3 million to the suppliers.......The audit of three findings indicates that $2.3 billion in payments were made to...