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Leonard Hyman & William Tilles

Contributor since: 08 Dec 2015

Leonard Hyman & William Tilles

Leonard S. Hyman is an economist and financial analyst specializing in the energy sector. He headed utility equity research at a major brokerage house and has provided advice on industry organization, regulation, privatization, risk management  and finance to  investment bankers,  governments and private firms, including one effort to place nuclear fusion reactors on the moon. He is a Chartered Financial Analyst and author, co-author or editor of six books including  America’s Electric Utilities: Past, Present and Future and  Energy Risk Management: A Primer for the Utility Industry. 

You can find Leonard Hyman's lastest book Electricity Acts on Amazon 


William I. Tilles is a senior industry advisor and speaker on energy and finance. After starting his career at a bond rating agency, he turned to equities and headed utility equity research at two major brokerage houses and then became a portfolio manager investing in long/short global utility equities. For a time he ran the largest long/short utilities equity book in the world. Before going into finance, Mr. Tilles taught political science .

Latest articles from Leonard Hyman & William Tilles

  • Why Is Warren Buffett Ditching His Coal Plants?

    Published 30 December 2019 | viewed 22,973 times

    Warren Buffett, probably the world’s most successful investor, a man noted for the conservatism of his investment policy and aversion to high tech, wants out…

  • The One Metric That Matters For Electric Cars

    Published 07 November 2019 | viewed 12,041 times

    Looking beyond the dramatic headlines—the cliff-hanger nature of Tesla’s financial statements and the Trump administration’s efforts to re-engineer the auto industry—we need to focus on…

  • California's Blackouts Are Part Of A Far Bigger Problem

    Published 28 October 2019 | viewed 10,120 times

    This past weekend, Pacific Gas & Electric had to resume electricity blackouts to 930,000 customers affecting upwards of three million people around San Francisco. Meanwhile,…

  • How The California Blackouts Could Have Been Avoided

    Published 16 October 2019 | viewed 5,816 times

    When an electric utility suspends service for whatever reason, the local economy grinds to a halt. Schools close. Hospitals turn on the back-up generators. When…

  • Is Bill Gates Right On Energy Investing?

    Published 05 October 2019 | viewed 48,786 times

    Not long ago, Bill Gates offered some investment advice. That, in itself, constitutes news, but the content and the reactions make up a more interesting…

  • Coal’s Last Hope: Carbon Capture Tech

    Published 24 August 2019 | viewed 18,164 times

    Coal usage continues to fall and the coal industry wants to do something about that. So does the Trump administration. Their proposed solution to the…

  • The Real Cost Of Renewables In The U.S.

    Published 23 July 2019 | viewed 13,718 times

    On July 23, if all goes well, one of California’ large municipally owned electric utilities, the Los Angeles Department of Water and Power (LADWP) will…

  • U.S. Utilities Boost Production But See Profits Drop

    Published 22 June 2019 | viewed 7,030 times

    The US investor-owned electric utility industry just reported financial numbers for 2018.They were puzzling to put it mildly. According to the Edison Electric Institute (EEI),…

  • Back To The Future: Labor Party Looks To Renationalize UK Utilities

    Published 20 May 2019 | viewed 5,695 times

    The British Labor Party, headed by Jeremy Corbyn has announced plans to re-nationalize the nation’s electric, gas and water utilities that were privatized by Prime…

  • New Models Suggest Much Faster Global Warming

    Published 29 April 2019 | viewed 23,816 times

    New climate models now project even faster global warming than previous work. The models were developed by the National Oceanic and Atmospheric Administration (Princeton, NJ),…

  • Poll Shows Americans Support Global Warming Action

    Published 23 March 2019 | viewed 8,436 times

    The most recent opinion poll on climate change attitudes shows that the public may be more aware of climate issues than many think. Support for…

  • Green New Deal Critics See Red

    Published 11 February 2019 | viewed 9,216 times

    The Green New Deal, (GND) a catch-all composite of environmental and social welfare programs, led by Member of Congress Alexandra Ocasio-Cortes (D-NY) and Senator Ed…

  • Pacific Gas & Electric Bankruptcy — The Shoe Finally Falls

    Published 29 January 2019 | viewed 9,062 times

    Pacific Gas & Electric, one of America’s largest utilities, finally filed for chapter 11 bankruptcy on January 29, after weeks of waiting. The company already…

  • Hitachi Halts Nuclear Megaproject In The UK

    Published 21 January 2019 | viewed 9,217 times

    Japanese technology giant Hitachi on Thursday Jan 17 announced it was suspending all further work at its Wylfa Newydd nuclear project in Anglesey, north Wales.…

  • Chevron And Occidental Join Bill Gates Backed Tech Company

    Published 14 January 2019 | viewed 19,760 times

    Chevron and Occidental Petroleum recently announced they will invest in Carbon Engineering Ltd., a Squamish, B.C. clean energy start-up company backed by among other, Bill…

  • Investors Are Turning Their Back On Coal

    Published 24 December 2018 | viewed 49,936 times

    The net zero carbon emissions movement has finally entered the mainstream for investment professionals. Despite a U.S, delegation declaring its intention to burn more fossil…

  • Why Is China Losing Interest In Nuclear Power?

    Published 19 December 2018 | viewed 32,949 times

    The future of the nuclear power industry lies in China. The Chinese are presently building more nuclear electric power generating stations than any other country.…

  • Another Nuclear Megaproject Bites The Dust

    Published 19 November 2018 | viewed 26,999 times

    Toshiba, the troubled Japanese electrical and electronics conglomerate and former owner of the bankrupt Westinghouse, Corp., decided last week cancel its Moorside nuclear project in…

  • GE's Fight For Survival

    Published 08 November 2018 | viewed 20,479 times

    Raising cash to begin retiring its huge debts, GE just announced a sale of its profitable and growing distributed generator business for $3 billion and…

  • How The Sahara Could Power The Entire World

    Published 22 September 2018 | viewed 58,360 times

    Solar and wind farms, stretched across North Africa's Saharan desert and relying solely on existing technologies, could produce enough electricity to power the entire world.…

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