Watts & Tons

Watts & Tons

A free weekly index of the physical economy, priced in physical units. Edition of 2026-10-21. Watch Elon Musk on wattage and tonnage

Watt-Ton reading

What $1,000 buys this week:

5,102
kWh
via retail electricity, as of 2026-09
324
GPU-hours (H100)
via OCPI, as of 2026-10-21
18,832
ton-miles by rail
via STB waybill data, as of 2024 (annual)
0.14
kg to orbit
via rideshare, as of 2026-08
69
kg of copper
via Pink Sheet, as of 2026-09

Watt-Ton basket

$22,542

The cost of one fixed basket of physical goods at the latest sourced prices: 1,000 kWh, 100 H100 GPU-hours, 10,000 rail ton-miles, 1 kg to orbit, 1 metric ton of copper and 1 tonne CO2e. Simple sum, no weights beyond the quantities, US-dollar items only. Inputs have different dates (shown below), so this is a snapshot, not a time series; week-over-week: n/a. Formula.

1,000 kWh of US retail electricity$196.002026-09
100 H100 GPU-hours$309.002026-10-21
10,000 rail ton-miles$531.002024 (annual)
1 kg to orbit (rideshare)$7,000.002026-08
1 metric ton of copper$14,474.002026-09
1 tonne CO2e (California allowance)$32.482026-08-19
Total$22,542.48

The index

Power
$0.196 $/kWh
US average retail electricity (BLS CPI average price, U.S. city average)

Week-over-week: n/a (no weekly prior) · Period change: +0.0% vs prior month (2026-08)

2017-01 → 2026-09

As of 2026-09 · source · history CSV

Power
$144.72 $/MWh
PJM West hub real-time peak, 7-day average of daily weighted-average prices (ICE via EIA)

Week-over-week: +59.2% vs prior 7 days ending 2026-10-06 (4 trading days) ($90.92) · Period change: n/a

2026-08-12 → 2026-10-13

As of 7 trade-date window ending 2026-10-13 (5 trading days) · source · history CSV · data file · Latest single day: $265.40/MWh on 2026-10-13. A single-hub daily price is volatile and can swing several-fold week to week; the 7-day average is used for the week-over-week change.

Compute
$3.09 $/GPU-hour
H100 SXM rental, Ornn Compute Price Index (OCPI)

Week-over-week: n/a (no weekly prior) · Period change: n/a

History: n/a (no sourced history fetched)

As of 2026-10-21 · source

Freight
$0.0531 $/ton-mile
US rail revenue per ton-mile, all waybill movements (STB Carload Waybill Sample, 2-digit STCC summary)

Week-over-week: n/a (no weekly prior) · Period change: +0.4% vs 2023 (annual)

2010 → 2024

As of 2024 (annual) · source · history CSV · data file · Annual series; STCC 21 redacted by STB. BTS Table 3-21 (AAR Class I) could not be read from source and is not used.

Launch
$7,000 $/kg to orbit
SpaceX rideshare published rate, 2026 launches (SSO/LEO)

Week-over-week: n/a (no weekly prior) · Period change: n/a

2023 → 2027

As of 2026-08 · source · history CSV

Metals
$14,474 $/metric ton
Copper, LME grade A (World Bank Pink Sheet)

Week-over-week: n/a (no weekly prior) · Period change: +1.0% vs prior month

2025-10 → 2026-09

As of 2026-09 · source · history CSV

Metals
$3,283 $/metric ton
Aluminum (World Bank Pink Sheet)

Week-over-week: n/a (no weekly prior) · Period change: +1.0% vs prior month

2025-10 → 2026-09

As of 2026-09 · source · history CSV

Metals
$1,255 $/short ton
US hot-rolled coil, Nucor Consumer Spot Price (producer-announced), as reported by SteelPrices

Week-over-week: +1.2% vs 2026-10-12 ($1,240.00) · Period change: n/a

2026-09-08 → 2026-10-19

As of week of 2026-10-19 · source · history CSV · Short ton = 907.185 kg. Producer list price via trade press, not an exchange settlement.

Carbon
$32.48 $/metric ton CO2e
California–Québec joint auction #48 current-auction settlement price

Week-over-week: n/a (no weekly prior) · Period change: +12.7% vs prior quarterly auction (May 2026)

2024-08 → 2026-08

As of 2026-08-19 · source · history CSV

Carbon
€85.10 €/tCO2
EU ETS allowance (EUA) primary auction clearing price, EEX (Auction 4. Period CAP3 EU)

Week-over-week: -2.2% vs 2026-10-13 (€87.04) · Period change: n/a

2026-09-07 → 2026-10-20

As of 2026-10-20 · source · history CSV · data file · Euro-denominated; not converted to dollars and not used in the $ converter.

Converter

Also: 1 H100 GPU-hour at 700 W max draw = 0.7 kWh (NVIDIA H100 spec), costing $0.137 at the US retail rate. kWh conversions go through dollars at listed prices; they are price equivalents, not physical energy equivalents.

Why watts and tons

Musk

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History

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