Southwest Gas Holdings Inc. (SWX) recently closed on its acquisition of interstate natural gas pipeline Questar Pipeline LLC, which provides services in Utah, Wyoming, and Colorado. The company funded the $1.6 billion acquisition with the proceeds from a 364-day term loan that it intends to pay off with the proceeds from a future equity issuance in the $900 million-$1 billion range, as well as the proceeds from incremental long-term debt of between $600 million-$700 million at SWX. We affirmed all of our ratings on SWX and Southwest Gas Corp. (SWG), including our 'BBB-' issuer credit rating on SWX, our 'BBB' issuer credit rating on SWG, and our 'BBB' issue-level rating on SWG's senior unsecured debt. Our rating outlook on SWX