> ## Content Index > Fetch the complete content index at: https://the-long-horizon.ghost.io/llms.txt > Use this file to discover other available public pages before exploring further. # Most of the next boom is already built. - URL: https://the-long-horizon.ghost.io/most-of-the-next-boom-is-already-built/ - Published: 2026-09-21T21:00:40.000Z - Updated: 2026-09-21T21:00:40.000Z - Description: American industry ran at 76.3% of capacity in August. The average since 1972 is 3.1 points higher. - Author: Jonathan Morgan Most Of The Next Boom Is Already Built ## **The Horizon** Whatever American industry makes in a better year than this one, most of the plant that will make it is already standing. It was financed years ago, it is maintained now, and in August it ran at roughly three quarters of what it can do. A Federal Reserve release on Friday put the figure at 76.3%. The average since 1972 sits 3.1 points above that. Nothing in the measurement is a projection. It counts output actually produced against output the same equipment is rated to produce. ## **The Event** Industrial production and capacity utilization for August were published on Friday, September 18, at 9:15 a.m. Eastern. Total output was unchanged on the month, after rising 0.2% in July. The total index stands at 103.1 against a 2017 base of 100\. Production is 1.4% above where it stood in August 2025. Beneath the flat headline the three main components pulled apart. Manufacturing fell 0.3%, mining rose 0.1%, and utilities rose 1.8%. Inside manufacturing the split was sharper still. Durable goods output fell 0.5% while nondurable output held level. Capacity utilization for total industry stayed at 76.3%, which the release places 3.1 percentage points below its 1972 to 2025 average. Manufacturing utilization slipped 0.3 point to 75.7%, running 2.5 points under its own long-run figure. Revisions to earlier months were small and ran both ways. March was marked down a tenth to a 0.2% decline and May was marked up a tenth to a 0.1% gain, with April and June left alone. 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A 1.8% rise in utilities offset a 0.3% fall in manufacturing, and the total came out flat because the two went opposite ways. Utility output follows weather and electricity demand rather than order books. The release credits the rise to electric utilities more than offsetting a decline at natural gas utilities. So the component that climbed is the one least attached to what factories were asked to make. Set it aside and August was a month of mild industrial contraction. The market groups make the same point with more precision. Business equipment fell 0.5% and construction supplies fell 0.7%, while consumer goods rose 0.1% and materials rose 0.2%. Business equipment is the category a firm adds to when it intends to expand. Construction supplies are what gets consumed once they start building, and both went backwards in a month when output for households did not. Capacity is a stock rather than a flow. It was paid for in earlier years, it ages on a schedule whether or not it runs, and a plant standing still in August costs nearly what the same plant costs operating. That is where the 3.1 point gap does its work. Fixed cost divided among fewer units is a higher cost per unit, so an unused quarter of the industrial base is a margin condition before it is anything else. The same gap is also the cheapest source of additional output the economy owns. Bringing utilization back to its long-run average would raise industrial production by several percent with no new building going up anywhere. That reverses the sequence most people expect. The familiar version has spending on plant arriving first and production following, and an economy carrying idle capacity gets the opening stretch of any expansion without purchasing anything first. Anyone treating an order for new equipment as the sign that industry has turned would therefore register the turn well after it happened. Nothing needs ordering, because the machinery is already bolted down. The durable and nondurable split carries the longer-lived signal. Nondurable output held while durable output fell half a percent, and durables are the goods whose purchase can be put off for a year. A month in which the postponable half falls and the unpostponable half holds is a month describing demand rather than supply. Nothing in the capacity figures says industry could not have produced more. For a position built on industrial earnings the operative line is the utilization rate rather than the output index. One reports what was sold, and the distance to capacity reports what the same assets were equipped to earn. ## **The Watch** September's reading arrives October 16 at 9:15 a.m. Eastern. The manufacturers' purchasing survey for September arrives before it, at the start of October, and reaches the same factories through their order books instead of their output. The heavier date is November 24\. That morning the entire series is restated on a 2022 base year, with capacity and utilization revised back through the history. That is not an additional month of data. It is a rewriting of every month already published, this one included. So the 76.3% quoted above has about nine weeks to run. On November 24 the same release will state what August utilization was, and there is no particular reason for it to still be this number.