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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

  • GE's Fight For Survival

    Published 08 November 2018 | viewed 17,100 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 51,677 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.…

  • Is This A Turning Point For Electricity Sales?

    Published 19 September 2018 | viewed 5,883 times

    Sales of electricity in the US have barely increased despite nine straight years of economic growth. It almost looks as if the conservation ethos for…

  • Why U.S. Electricity Sales Surged In 2018

    Published 15 September 2018 | viewed 7,600 times

    Sales of electricity in the U.S. have barely increased despite nine straight years of economic growth. It almost looks as if the conservation ethos for…

  • Southern Company Just Raised Cost Estimates For This Megaproject Again

    Published 11 August 2018 | viewed 13,091 times

    Southern Company's Georgia Power subsidiary announced yet another increase in the estimated cost to complete the Vogtle 3 and 4 nuclear units. At this moment…

  • Has The Movement For CO2 Controls Peaked?

    Published 19 July 2018 | viewed 5,169 times

    The signs don’t look favorable for carbon dioxide emissions controls in the U.S. The Trump administra-tion along with much of the Republican party clearly do…

  • The Best Solution For Climate Change

    Published 25 June 2018 | viewed 8,118 times

    If our longer-term goal is to reduce the accumulation of carbon dioxide in the atmosphere (which produces climate change) — there are only four ways…

  • Why Southern Company Just Sold Billions In Prime Assets

    Published 23 May 2018 | viewed 30,954 times

    On May 21, Southern Company, the utility holding company based in Atlanta, with core electric utility franchise areas in Georgia and Alabama, announced a multi-billion…

  • The Coal Plant Of The Future

    Published 12 May 2018 | viewed 9,396 times

    The U.S. Department of Energy (DOE) wants to develop so called “Coal-Based Power Plants of the Future” according to a recent Request for Information. Well,…

  • Expect Electricity Prices To Rise Soon

    Published 25 April 2018 | viewed 11,970 times

    Electricity prices in the U.S. (in real terms) have held steady for two decades. A remarkable record achieved because of: cost cutting during the initial…

  • The World’s Most Expensive Power Project

    Published 09 April 2018 | viewed 14,437 times

    We thought that the price for non-carbon electricity had peaked when the U.K. government agreed to require UK electricity customers pay £92.50 ($130.43) per MWH…

  • U.S. Electricity Sales Fall Again

    Published 22 March 2018 | viewed 9,128 times

    Well, it happened again. 2017 was another down year for the US electric utility industry--despite a reasonably robust economy and increasing population. The 2.1 percent…

  • Outages: Utilities Repeat Mistakes

    Published 12 March 2018 | viewed 4,127 times

    So far this March, two nor’easters have pummeled New York and New England with high winds, storm surges and heavy, wet spring snow. As if…

  • Is Centrica’s Business Model Sustainable?

    Published 27 February 2018 | viewed 5,144 times

    The UK’s biggest energy retailer, Centrica had another bad year. Earnings and operating profits declined. And since 2015 Centrica’s share price has almost halved. So,…

  • Subsidies For Coal, Nuclear In The Latest Federal Budget

    Published 22 February 2018 | viewed 7,645 times

    The two year spending bill just passed by Congress and signed by the President attempts to make good on the administration's promised tilt towards coal…

  • South Carolina Authorities Fire Utility Commission

    Published 20 February 2018 | viewed 3,258 times

    This week, the South Carolina state House of Representatives, in a virtually unanimous vote, voted to fire all seven members of the state’s public utility…

  • Trump Proposes Sale Of Transmission Assets

    Published 15 February 2018 | viewed 6,710 times

    Hidden away in the Trump Administration’s long-awaited “Legislative Outline for Rebuilding Infrastructure in America” is the administration’s latest idea to raise some cash without raising…

  • Grid Batteries Will Hurt Wholesale Power Generators

    Published 12 February 2018 | viewed 8,244 times

    Last month, one of the largest and most significant electric utilities in the Midwest, American Electric Power (AEP), made a quiet announcement. We believe it…

  • Utility Sues Nuclear Energy Institute For Extortion

    Published 07 February 2018 | viewed 11,877 times

    We aren’t lawyers, but extortion sounds like a serious charge. NextEra Energy, parent of Florida Power and Light and owner of several nuclear power stations…

  • Three Quarters Of British People Want To Re-Nationalize Utilities

    Published 27 January 2018 | viewed 7,784 times

    According to a poll taken late last year, 77 percent of respondents in the UK wanted to re-nationalize all of Britain’s energy utilities. In addition,…

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