Energy news in brief

** State-owned oil company Saudi Aramco said on Sunday it had exercised its “greenshoe option” to sell an additional 450 million shares, raising the size of its initial public offering (IPO) to a record $29.4 billion. Aramco initially raised a $25.6 billion, which was itself a record level, in its December IPO by selling 3 billion shares at 32 riyals ($8.53) a share. But it had indicated it could sell additional shares through the over-allotment of shares.

** Helmerich & Payne, Inc.  announced that Mark Smith, Senior Vice President and CFO, and Dave Wilson, Director of Investor Relations, will attend the AltaCorp and ATB 8th Annual Institutional Investor Conference in Toronto, Canada on Wednesday, January 15, 2020. Mark Smith will participate in a panel discussion on Wednesday, January 15, 2020, at 8:00 a.m. U.S. Eastern Time.

** The closure of an Arizona coal mine has left some Hopi and Navajo homes without a ready source of heat.

** Enable Midstream Partners, LP of Oklahoma City announced that members of its senior management are scheduled to meet with investors Jan. 14 at the UBS Midstream, MLP & Utilities Conference in Park City, Utah. The presentation materials used at this conference will be available for download on the investor page of Enable’s website at investors.enablemidstream.com.

** Seattle’s mayor says the city will come up with a plan by 2021 to transition all city-owned buildings away from fossil fuels.

** Climate activists are suing Oregon’s secretary of state over the rejection of two clean-energy ballot measures last year.

— A federal judge rejects an Alaska tribe’s challenge to federal approval of drilling on the North Slope.

** Wyoming regulators rejected permits for two proposed wind farms earlier last week.

**  Hacking groups are increasingly targeting the North American electric sector through supply chain vulnerabilities and connected industrial control systems capable of creating disruptions across multiple industries, according to a new report from cybersecurity firm Dragos.

** ONEOK, Inc.  will participate in the UBS Midstream, MLP and Utilities Conference Jan. 13-14, 2020, in Park City, Utah. Materials used at the conference will be accessible on ONEOK’s website, www.oneok.com, beginning at 2:15 p.m. Mountain Standard Time (3:15 p.m. Central Standard Time) on Jan. 13, 2020.