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Tags: batreries | oil | clean | lithium

Alternative Energy Can't Replace Hydrocarbons

Alternative Energy Can't Replace Hydrocarbons
(Yura Taratunin/Dreamstime)

Larry Bell By Monday, 10 February 2020 03:34 AM EST Current | Bio | Archive

As we all recognize, access to clean and reliable energy is fundamentally important to countless aspects of our lives, our social and economic communities, and our long-term abilities to live in healthy balance with natural ecosystems.

So, this being the case, can we expect a new so-called "clean energy revolution" — primarily referring to wind and solar — to replace the "dirty old" hydrocarbon industries?

For example, like what happened when hydrocarbon-fueled internal combustion horsepower disrupted buggy whip businesses of the early 1900s — and when flip-phone makers lost out at the dawn of Apple’s iPhone?

Don’t count on such reality-challenged notions regarding hydrocarbon obsolescence occurring anytime soon.

No current energy technology on the immediate horizon has a game-changing potential anywhere nearly analogous to the truly revolutionary invention of the transistor or internet.

Nor, for that matter, has any so-called "alternative" energy source or invention supplanted a continuing need for hydrocarbons.

Let’s keep in mind that maximum wind and solar efficiencies remain stubbornly subordinate to old rules of nature, where capacity boundaries are established by laws of gravity, inertia, friction, mass, and thermodynamics. Unlike virtually unlimited digital technologies, their current state of art performance leaves little room for future gains.

The physics boundary for a wind turbine, the Betz Limit, is a maximum capture of 60% of kinetic energy in moving air. Although commercial turbines today exceed 40%, this doesn’t begin to make up for the inherently intermittent and unreliable nature of wind itself.

The physics boundary for silicon photovoltaic (PV) cells, the Shockley-Queisser Limit, is a maximum conversion of 34% of solar photons into electrons. Whereas the best commercial PV technology today currently exceeds 26%, as with wind, the era of multi-fold gains is over.

Also consider that the modern wind turbine (which actually appeared about a half-century years ago) was largely made possible by hydrocarbon-based fiberglass blades.

The first commercially viable solar technology dates back to about the same time.

We can thank an Exxon researcher’s invention of the lithium battery containing materials obtained by hydrocarbon-fueled mining for that.

Incidentally, about $200,000 worth of Tesla-type batteries collectively weighing over 20,000 pounds are needed to store the energy equivalent of one barrel of oil. Meanwhile, that barrel of oil that weighs only 300 pounds can be stored in a $20 tank.

Even a 200% improvement in underlying battery economics and technology development won’t close such a competitive gap with hydrocarbons.

And whereas again, for comparison, $1 million will build either about 55 million kilowatt-hours (kWh) worth of wind turbines over a 30-year period, or about 40 million kWh of utility scale solar panels, that same $1 million will pay for enough shale oil rig natural gas hardware to generate about 300 million kWh of electricity over the same period.

Put another way, for the cost of drilling a single shale well which may average 10 barrels of oil per hour or its equivalent in natural gas over decades, one can build two 500-foot-high, 2-megawatt (MW) wind turbines which will produce a combined output averaging the energy equivalent of 0.7 barrels of oil per hour.

Another truly great advantage of hydrocarbons, is that their energy is always available anywhere in sufficient quantities when needed. In electrical power applications, unlike the best wind power and sunlight systems which produce energy averaged over the year at 25%-30% of the time or less, conventional natural gas plants have very high availability in the 80%-95% range, and often higher.

Not to be ignored, every kWh of intermittent wind and solar output beyond a certain point requires the investment and operating costs of an equal backup supply just to keep the power grid balanced. This imposes more expenses — big ones — for building and maintaining the added grid network infrastructure.

Then, also add the high costs of long transmission lines and power losses associated with transferring that electricity from remote sites to metropolitan areas with highest demands.

Meanwhile, as world energy consumption continues to rapidly increase, wind and solar combined account for only 2% of global demand, and at best 3% of America’s.

In comparison, hydrocarbons – oil, natural gas, and coal - supply 84% of global energy.

Today’s world economies require an annual production of 35 billion barrels of petroleum, plus the energy equivalent of another 30 billion barrels of natural gas, plus the energy equivalent of yet another 28 billion barrels of oil from coal.

Just to replace hydrocarbons used in the U.S. electricity sector alone by 2050 would require an industrial effort greater than that of World War II. That cost would more than double if the 70% of hydrocarbons consumed by America’s non-electric sectors were included.

Such lunacy would, at best, affect a piddling 15% of world energy use.

We can presumably all agree with continuing urgency in providing ample clean energy.

While we’re at it, perhaps we can also agree with a need to come clean with fundamental energy realities.

Larry Bell is an endowed professor of space architecture at the University of Houston where he founded the Sasakawa International Center for Space Architecture (SICSA) and the graduate program in space architecture. He is the author of several books, including “The Weaponization of AI and the Internet: How Global Networks of Infotech Overlords are Expanding Their Control Over Our Lives” (2019), "Reinventing Ourselves: How Technology is Rapidly and Radically Transforming Humanity" (2019), "Thinking Whole: Rejecting Half-Witted Left & Right Brain Limitations" (2018), "Reflections on Oceans and Puddles: One Hundred Reasons to be Enthusiastic, Grateful and Hopeful” (2017), "Cosmic Musings: Contemplating Life Beyond Self" (2016), "Scared Witless: Prophets and Profits of Climate Doom" (2015) and “Climate of Corruption: Politics and Power Behind the Global Warming Hoax” (2011). He is currently working on a new book with Buzz Aldrin, "Beyond Footprints and Flagpoles." To read more of his reports — Click Here Now.

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To replace hydrocarbons used in the U.S. electricity sector alone by 2050 would require an industrial effort greater than that of World War II. That cost would more than double if the 70% of hydrocarbons consumed by America’s non-electric sectors were included.
batreries, oil, clean, lithium
Monday, 10 February 2020 03:34 AM
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