TransCanada Corp. is slowing work on two pipelines in Alberta because of reduced demand tied to lower crude prices and setbacks to its major oil export projects. TransCanada is indefinitely bumping back construction that was planned for earlier this year on its Heartland line from Edmonton to Hardisty since the Keystone XL and Energy East systems it would supply are delayed, executives said Friday on a conference call. Full expansion of the company’s Grand Rapids line from Fort McMurray to Edmonton, now under construction with startup planned for 2016, is being slowed as production rises more slowly in the oil sands. “A lot of the commercial underpinning for Heartland is tied to Energy East and Keystone XL,” said Paul Miller, president of liquids pipelines at TransCanada. “We do anticipate a slowing growth of throughput and build-out of the Grand Rapids system to align with the slowing pace of oil […]