Thanks, Dallas Weaver, for the encouraging remarks and your great way of providing examples. I shall now try to get you to adopt a different way of computing ERoEI. Let us suppose that we can compute ER taking account of defective equipment and its replacement cost and associated down time. Further, let us suppose that we can compute EC, which we shall define as everything that goes into the manufacture, installation, maintenance, mothballing, indemnity for lateness and other delivery contretemps, environmental protection, and retention of storehouses of vital materials at almost negligible drawdown of their global repositories - accounting for the direct and indirect aspect of every category. We have tried to account for everything except support and other payments to the stakeholders whether the process under investigation is their sole interest or only a minor part of their economic activities. Let us take the sum of all such payments to personnel rendered in appropriate energy terminology and call it ES. Now, there is no reason to suppose that anyone had a' priori knowledge of these numbers; therefore, we do not expect ER/EI = ER/(EC + ES) to be exactly 1.0 (as I said incorrectly earlier.). If it is greater than 1.0, we have produced net energy that can be used to support free-loaders or some other specialized purpose. However, every useful citizen has already been paid even if he only hits a baseball with a bat for the amusement of energy workers and their other supporters. If it is less than 1.0, it is not sustainable. However, measures can be taken to improve matters.
Tuesday, October 20, 2020
ERoEI* (ER over EI star) is better than ERoEI.
Saturday, September 19, 2020
Checklist for Computation of ERoEI* redux
In this post, I will diagram the recycle problem, which, as Denis Frith has always said, is the greatest challenge to sustainability or to the sobriquet "renewable energy" as applied to the technology for harvesting sunlight.
1. The community must be dedicated to the production of energy and only to the production of energy until such time as the people can afford to extend their mission. Until then, nothing produced by the members of the community including art and music and science, including spectator sports as well as building maintenance and healthcare, serves any other ultimate purpose than the production of energy. Every item in the monetary budget has a counterpart in the energy budget.
a) Manufacture
b) Installation
c) Operation
d) Maintenance
e) Storage of energy
f) De-Installation This usually amounts to merely building another installation after retiring the previous one; but, in the odd case, it is necessary to restore the plant site to its original natural condition.
g) Environmental protection
h) Maintain in steady state the readily-available storehouses of materials essential to a through g.
2. The steady-state condition of the managed stockpiles of vital materials is met by solving the recycle problem as discussed in the appropriate section of https://www.dematerialism.net/ . The inevitable deficits due to imperfect recycling are made up from the residuum of the resource, by which I mean the world supply minus the stockpiles, in such a way that the half-life of the residuum is not reached during the first one thousand years, after which time other arrangements must be made.
Figure 3. AAED with associated storehouses at A, B, C, D, & E, repositories of A through E, and recycle installations at ea, ed, bc, and cd serving the Autonomous Alternative Energy plan
The Repository of A might be a rare earth that is used in solar cells. It is very large whereas the Storehouse of A might better be called the Box of A inasmuch as we are pretending that only a few molecules go into each cell. The repository might take in one half of a continent, whereas the Box might be a shoe box. We might be sure that the residuum of A will last 10,000 years at the present rate, which we have a right to assume under a de-growth regime. We do not replace solar cells unless they bring back the corresponding retired solar cell.
3. The maximum sustainable community dividend (MSCD) is the emergy returned (conservatively estimated and harvested on schedule) (ER) minus all of the emergy budget items in this list except this one (EI’). The net emergy, EX, must be subtracted from the MSCD to get the actual dividend, ED*. Then, ERoEI* = ER/EI* where ER is emergy returned and EI* is the emergy invested, which is the sum of all the budget items in this list except that, instead of the MSCD, add in the actual dividend, ED*. EI* is the emergy returned minus the net emergy, that is, EI* = ER - EX. The actual dividend, ED*, is divided by the number of economic actors in the community. This determines maximum community consumption. The individual economic actors determine the final disposition of the actual distributed dividend. Does it satisfy the technical pre-condition of happiness? The net emergy is the MSCD minus the actual dividend. The community must decide what to do with the net emergy. It should be obvious how to include foreign trade in the balance sheet and not so obvious what might go wrong with it.
ER = Emergy Returned
EI’ = Energy Invested except the actual dividend with which the stakeholders support themselves and those who depend upon them
ED* = Actual dividend
MSCD = Maximum Sustainable Community Dividend = ER – EI’
EX = Net emergy for export
EI* = EI’ + ED* = ER – EX
EI’ + ED* + EX = ER
4. Prevent pollution altogether regardless of environments self-healing capabilities. Don't forget sound and light pollution and the intrusion of ugliness where formerly there was beauty. Finally, there is motion pollution and the filling up of space that was formerly empty.
5. Sustainability amounts to providing a sustainable renewable energy technology, a technology that harvests energy (corrected for entropy) from the sun in real time and that returns more energy than is consumed to install it, operate it, maintain it, store enough energy to complete its mission, maintain its storehouses of natural material capital, prevent or repair environmental damage including aesthetic damage, and support the community that serves the renewable energy installation both directly and indirectly. It's one thing producing enough computer chips for half of the world. This may indeed require a non-stop cyclical operating schedule. But to make one or two chips every ten years for only the economic actors in the autonomous alternative energy district (AAED) we can use a slightly more primitive batch process, which might run only when the sun shines.
Friday, September 11, 2020
I introduce myself to the Peak Oil forum
Let us indulge ourselves in a little thought experiment: Suppose a very special community occupies a portion of the Earth's surface where repositories of every element needed for the manufacture, installation, operation, maintenance, and moth-balling of an alternative energy installation. In addition, it has whatever additional repositories are needed to feed, clothe, shelter, keep healthy, preserve from drudgery, entertain, and elevate spiritually. These are finite repositories although most of them are extremely large. Out of each repository a reasonably sized storehouse is kept at steady state, making up for such deficiencies of recycling as are bound to occur by drawing from the surrounding repository sufficiently slowly that the repositories will not reach the analogy to Peak Oil for some agreed upon length of time in excess of 1000 years certainly and maybe much longer under NO GROWTH.
The people of the community possess all of the expertise necessary to keep the energy flowing and to manage precisely whatever else is needed to support the people who manage the energy technology, although they needn't be specialists.
The sun shines on the community and the junk heat radiates to deep space. Other than this nothing crosses the boundary of the community (thought of now as a region) except possibly energy that is exported free of charge to the neighboring regions. If ERoEI is greater than 1.0, there is some net energy available for export. (The reason it is free of charge in this thought experiment is that I don't want to be concerned with anything coming back.)
The entire community produces energy and nothing but energy; therefore, everything consumed and everything produced (except the net energy) within the community is overhead for producing energy and belongs in the energy-invested term. In this figment of our imaginations, we have no control over what the members of the community produce and consume.
Now, here comes the punch line: If we should run into an engineering study in which an ERoEI is computed by a methodology that can be applied to our thought experiment, we may take the results of the study seriously. If the methodology is lacking in any important respect, it is probably not trustworthy.
I'll give an example of an omission of a component of sustainability that can be missing with only a slight concern. Suppose the analyst does not include the energy costs of restoring the plant site to its pristine natural beauty in case the plant is shut down or moved for one reason or another. The operators of the plant can apologize for this in a number of ways. In any case, we might open up a category of near-sustainability. Of course, we wouldn't put up with the mess frackers leave behind for two minutes let alone two years.
Sunday, September 6, 2020
The Qualitative Answer and Its Pitfalls
I hope no one "starts acting" who is satisfied with a qualitative definition of sustainability and who does not recognize that sustainability amounts to providing truly renewable energy as determined by balance equations to a population stable at its optimum size until astronomical events intervene. I went to a lot of trouble to spell out exactly what is required. It is just a little discouraging to see people reject the hard answers in favor of goals that are easy to counterfeit or goals that are so vague that it is impossible to know whether they are being achieved or not. Perhaps this forum wants politicians to pretend they are solving the problem without changing anything of importance.
Sunday, August 23, 2020
Wednesday, August 19, 2020
Checklist for ERoEI*
Sunday, August 16, 2020
Post to Douglas Nuttall in ResearchGate
Doug,
Before I noticed that the Limits to Growth forced Powering-Down, a Simpler Way, in short, Dematerialism, upon us, I noticed that almost everything that's wrong with the world was caused by people trying to get more money - either because of greed or because of fear. There's a list in one of the appendices at the end of my open-ended (never-to-be-finished) on-line book https://www.dematerialism.net/ops.htm . (I guess by now, I might be tempted to publish it if I received a good offer - in terms of convenience, moral uprightness - not money.) What can be done to remove even the temptation to worship Mammon? In a word: Dematerialism. It removes the temptation. (I may be an atheist, but I am a Judeo-Christian atheist, if you know what I mean. The Book of Proverbs, the Sermon on the Mount, etc.)
I didn't care if AGW was occurring or not. Peak Oil was in our future no matter what. Only a person of extremely limited intelligence would argue that we would always have oil that could be obtained for less energy than we expected to obtain from it. So, if the powerful and privileged owners of the world could convince their minions that there would never be catastrophic global warming caused by industrialization, all they needed to do was create the illusion of an infinite supply of oil in a finite world, which they did by exporting peak oil to places where lives didn't matter - or, worse yet, convince the world that manned space travel for everyone was right around the corner - not in a galaxy far, far away. C. S. Lewis refers to the huge distances between heavenly bodies as "God's quarantine" of our predatory species. [Perelandra]
Now, really, Doug, you don't want even more urban sprawl, do you? (I don't think anyone wants epidemic disease to prevent urban sprawl.
Friday, August 14, 2020
Nine topics to be completed later that were suggested by Douglas Nuttall's ResearchGate Post
1. From the family to the community that can be viewed from the top of Aristotle's hill to a sovereign nation, which, perhaps, is, after all, too big
I do not know of any scientific principle that indicates your thesis that communism works best in small groups beginning with the family and less well for very large communities such as entire nations; still I believe that it is true. It is a question of the group, whatever its size, reaching a consensus on important questions, like if the band of robbers comes back should we pay or fight, that everyone can live with. We understand there will be conflict and disagreement along the way. One can opt out by not going to the council meetings at the expense of giving up control of ones own life.
Direct Aristotelian democracy is the basis for the so-called Fractal Government proposed here so as to ensure that all political power is retained by the people. Since every citizen must be a member of a community council which determines public policy, this basic political molecule must be small enough that the village council can be effective.
Its representative at the next most central council is chosen by sortition but recalled by popular vote if necessary. Thus decentralization must be the ultimate goal regardless of how the present system has to be accommodated. In particular, the largest identifiable political unit should be the drainage region, i. e., the contiguous portion of the land that drains into common reservoirs without any of the neighboring areas draining into it. This is the fundamental unit of land in ecology. (Professor Jorge Gabitto, formerly the chairman of the department of chemical engineering at Prairie View University, pointed out that the our maps are drawn in the most regrettable manner from the viewpoint of ecology. Rivers make convenient borders for map makers but not for ecologists.) The space between the basic molecules and the governing body of the entire ecological region is the fractal-like structure illustrated and discussed elsewhere. Additional necessities for decentralization are well known.
As of today, June 28, 2020, I believe that the greatest difficulty to establishing Dematerialism as imagined by me lies in the conduct of village or neighborhood councils to which every citizen belongs. Any number of difficulties are likely to arise and will place the greatest demands upon the human spirit. Lovers of freedom who believe in humanity will be hard pressed indeed. I am not certain that even a large compendium of advice would be of the slightest use at that time. (Aristotle imagined a community small enough to view from the top of a small hill.)
The first dependence on economic growth is in the need to avoid the adverse consequences of innovations that reduce the need for labor.1 By definition, each labor-reducing innovation either increases the amount of a good produced or throws some people out of work. Firms that create or exploit a labor-reducing innovation create new jobs internally by driving other firms out of business. The new jobs implementing the innovation offset the loss of jobs caused by the innovation, but the innovating firms don’t necessarily hire all of the job losers, because the innovation reduced the total amount of labor needed to produce the original amount of the good. In order to re-employ all job losers, the economy must grow to produce more of the good with all of the original workers, or produce more of some other good with the cheaper labor (the job losers) now available. In either case the economy grows. Much of what we consider progress is due to labor-reducing innovations. In order to live without economic growth, we would have to give up this kind of progress, or introduce arrangements to allow workers who become unproductive to retain their relative wealth and self-respect, or relegate most people to a repressed underclass. There is a powerful incentive to avoid these contingencies by encouraging economic growth. - David Delaney
Saturday, August 1, 2020
Energy Is Everything
Sustainability Requirements
Monday, June 29, 2020
From the viewpoint of monetary price
Thursday, May 28, 2020
Renewable Energy Profits: Energy is the life's blood of the community.
- Since the delivery plays such an important role in determining the operational costs, we can expect a large increase in ERoEI* if we live and operate our solar energy facility so close to the point of use that the delivery costs are nil.
- Great pains are taken to compute EROI after which all the accuracy is discarded by pulling an integer out of the air. “Otherwise your whole economy is just (barely) getting energy but not doing anything with it.” This reveals once again that the speaker is thinking of an economy made up of an energy sector serving the rest of the economy; but, in a crisis, every member of the community should be a part of the energy sector and, therefore, his entire energy budget goes into EI*. Actually, even in normal times, the principal business of the economy is to keep the energy flowing, after which food can be provided fairly easily. We make sure we have blood circulating; but, we don't ask it to do something for us outside of our bodies.
- If the capitalist mode of production is to be abandoned, there is nothing preventing owner-operators restricting themselves to small batch jobs, with only enough stored electricity on hand to finish a small batch. In the next paragraph, we estimate the new ERoEI very roughly; and, the conclusion should be taken with a grain of salt. As for storage, we have 3D printing, CnC, and other robotics, that can store electricity as emergy.
- I will read Capellan-Perez next; but, for a lark, multiply 0.8 by three to account for the savings in delivery costs. Then, multiply 2.4 by three to account for furloughing workers engaged in chrematistics. This gives us ERoEI* = 7.2 or Net Energy = 6.2 with which to support dead heads. Inasmuch as the chief benefactor is the purveyor, he doesn't need to make a profit nor hire expensive help. In fact, we can manufacture half of the installation “down on the farm”. Maintenance is straight DIY. We are subsistence roughnecks not commodity twits. No bankers need apply. It may be easier to go along with those of us who wish to Power Down to Earth as a Garden than to preserve The Empire. Population shrinkage and economic shrinkage are necessary.
Monday, January 20, 2020
A Review of the Considerations that Determine a Choice of Political Economy
Sustainability
Sustainability is the first consideration in choosing a political economy. It is this alone that disqualifies capitalism and other market systems. We have shown that market systems require economic growth, whereas what is needed in the United States is market shrinkage or degrowth initially until whatever sized economy is taken to be optimal is reached after which a steady-state economy seems to be most desirable. To accommodate a few people who imagine that an economy can grow in perpetuity without encountering intolerable scarcity and other undesirable conditions it is necessary to prove that this is impossible.
The Defects of Capitalism: My List
Axiomatic Morality
Dematerialism Satisfies Moral Requirements and Is Sustainable
Tuesday, November 19, 2019
- Probably, the community will have to monitor the extent of each economic actor’s consumption of (i) fresh water, (ii) land, (iii) contributed human labor in excess of what is done by economic actors to further their own private interests, and (iv) the emergy of manufactured objects. This will be necessary until a generation of citizens is born that recognizes the importance of minimizing consumption. Thus, the economy is consumer-planned subject only to the consumer’s responsibility (a) to use no more than 1/Nth of the sustainable fresh water, 1/Nth of the land that has not been set aside as part of the commons or is otherwise inviolable, and 1/Nth of the hours of human labor contributed to the common pool by people who have done more labor than what they require for their private interests, such as their households, and 1/Nth of the sustainable production of manufactured items (measured in emergy units) where N is the number of consumers and (b) to reproduce himself or herself only, to pass on his reproductive rights to another, or not to reproduce. Probably violators will have to be sterilized (painlessly) along with the excess child. This policy will be resisted rather vigorously, I suppose, and for good reason, but what else can be done?
- Local economic enterprises owned by workers in the sense of custodianship. Decisions are made by direct vote – one worker, one vote. It is important that worker ownership not extend beyond the premises of the plant where the work is done. Decentralization not incorporation. Each enterprise integrates the plans of its consumers into a total economic plan for the enterprise and notifies its suppliers accordingly. This must be achieved with negligible energy costs, probably with a computer. The economic actor might organize his or her personal emergy budget well in advance, also with a computer.
- Public servants chosen quasi-randomly, somewhat as jurors are chosen2, for limited terms that cannot be followed by another such appointment. Recall is by direct vote of all members of the community whom I call citizens for lack of a better term. The term fractal government denotes a system of small communities wherein every citizen belongs to a local parliament that is tied in a loose federation with other such communities in similar parliaments that are tied in loose federations to other parliaments of parliaments.This is similar to fractal structures, except that a loose federation of the world can have only a finite number of sub-levels, as does every representation of a fractal in the real world. Among a very small number of public servants are the members of local communities who sit in the parliaments that determine public policy for the community’s eco-region, which randomly selects members of itself who make policy for a collection of eco-regions. And so on. Every one of these “members of parliament” is subject to immediate recall by the direct vote of the body that chose him or her. Thus, the only permanent members of the government are the people themselves who share political power at the community level in the sense of one-person-one-vote. Naturally, some people will have more influence than others if they are widely respected; but, they cannot convert this influence to greater wealth. Ultimately, this arrangement should evolve into no government at all.


- The Fundamental Principle of Neighborliness in dealing with neighboring communities, so that the dependence of economic well-being on geography is minimized. (Wealth flows always from richer communities to poorer communities or not at all.)
- Defense by citizen militias if necessary. The decision to bear arms is up to the citizens.
- It is recognized that the federal government is likely to suppress any effort to form an intentional community (or reform an existing community) along egalitarian lines, i. e., with a Natural Economy, unless collapse has already commenced, in which case the federal government will no longer be able to function because the most powerful people in government will have given up in despair and will be trying to save themselves – at least Dmitry Orlov has made a good case for this in “Closing the Collapse Gap”, which compares the collapse of the Soviet Empire with the very likely collapse of the United States American Empire.