ANCHORAGE, Alaska (AP) — The owner of the largest natural gas utility in Alaska says it is selling the company to Canada-based TriSummit Utilities Inc. The Anchorage Daily News reports the deal is worth $800 million. AltaGas Ltd. says the sale will include Anchorage-based ENSTAR Natural Gas, its associated pipelines and ENSTAR’s majority ownership in a gas storage facility. AltaGas is also based in Canada. It acquired Enstar in 2012. TriSummit has about 133,000 customers in Canada. ENSTAR has about 150,000 customers in Anchorage and parts of south-central Alaska. The companies expect the sale to close by early next year. ENSTAR Natural Gas has about 200 employees.