NEW YORK--(BUSINESS WIRE)--High yield energy companies have more concerns than just the continued low price of crude oil, Fitch says, noting that it is becoming more expensive for them to issue bonds. The par weighted average coupon for the energy sector during the first quarter surpassed the overall non-financial HY corporate level for the first time since 2011. HY energy bonds ended 1Q with a 7.3% par weighted average coupon, well above the 6.2% figure over the same period in 2014 and nearly