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# Texas Grid Tariffs and the Changing Economics of Flexible Mining
- URL: https://www.murrayrudd.pro/texas-grid-tariffs-and-the-changing-economics-of-flexible-mining/
- Published: 2026-09-30T17:49:37.000Z
- Updated: 2026-09-30T17:49:37.000Z
- Description: Explore how Texas peak tariffs, battery competition, and emerging AI flexibility reshape Bitcoin mining economics and grid cost allocation.
- Author: Murray Rudd
- Tags: Bitcoin mining, #briefing note, Haley Thomson, HashrateUp Podcast

### Summary

Haley Thomson argues on the September 25, 2026 *HashrateUp Podcast* that Texas’s expected move toward twelve coincident peaks will change Bitcoin miners’ curtailment incentives. Spreading peak-related savings across more months reduces the value of avoiding any single peak, while growing battery participation compresses ancillary service revenues and electricity price spreads. These changes shift the competitive value of flexible demand toward coordinated tariff management, operating efficiency, and location-specific decisions.

### Take-Home Messages

1. **Cost allocation**: Evaluate miners’ contribution to electricity markets separately from their responsibility for transmission and distribution costs.
2. **Transition planning**: Treat Thomson’s expected 12CP rollout as a scenario requiring preparation while retaining uncertainty about implementation timing.
3. **Operating decisions**: Compare peak-related savings with forgone mining revenue and the financial consequences of missing a peak.
4. **Storage competition**: Reassess ancillary service assumptions as batteries compete for the same revenues and narrow electricity price spreads.
5. **AI flexibility**: Require evidence of reliable workload transfer and service continuity before assigning large-scale grid value to inference curtailment.

### Overview

Thomson explains that [Texas’s](https://www.murrayrudd.pro/tag/texas/) 4CP structure assigns grid charges according to consumption during four summer system-load peaks. Each monthly measurement uses a fifteen-minute interval, and he estimates annual savings of roughly $50,000 for each megawatt removed across the relevant peaks. Miners therefore compare short periods of lost production with reductions in longer-term infrastructure charges.

Thomson argues that flexible [Bitcoin mining](https://www.murrayrudd.pro/tag/bitcoin-mining/) can improve generators’ economics without resolving who pays for the wires. Off-peak consumption can support generation revenues, while effective peak avoidance reduces a miner’s share of grid charges and leaves other customers carrying more of those costs. This distinction places infrastructure cost allocation at the center of the political dispute over flexibility.

Thomson expects 12 monthly peaks to replace the four summer peaks, although he leaves the intermediate timetable uncertain. Holding annual savings constant, dividing them across twelve months lowers the value of avoiding each peak and expands the period over which miners must manage exposure. He consequently anticipates less conservative curtailment and a larger infrastructure contribution from flexible customers.

Thomson also identifies battery deployment as a source of pressure on mining’s electricity-market revenues. Batteries offer standby services, absorb low-priced electricity, and discharge into higher-priced periods, while miners respond through curtailment and adjustments to operating efficiency. These overlapping responses make profitability depend on the changing price of flexibility rather than on technical responsiveness alone.

### Implications and Future Outlook

Mining operators face a combined scheduling and risk-management decision when peak avoidance extends beyond the summer. Thomson notes that load measurements arrive with a delay and that system demand can rise substantially within a short interval. Operators must choose buffers that balance missed-peak charges against unnecessary downtime rather than treating maximum peak avoidance as the sole objective.

Site and investment decisions also require attention to interactions among bill components and technologies. Thomson explains that peak-related credits can conflict with curtailment incentives, while co-located batteries and miners can compete for limited connection capacity during cheap-power periods. Investors need site-specific comparisons that include these constraints, and he does not establish a definitive capital cost ranking between storage and mining.

AI operators face a different decision about the relationship between service continuity and local electricity demand. Thomson reports curtailment of a few hundred kilowatts and proposes transferring inference to other locations, alongside productive uses for idle backup generation. Expanding those approaches requires demonstrating that workload movement and generator utilization preserve the operational commitments on which data center customers rely.

### Some Key Information Gaps

1. **How should transmission costs reflect both flexible customers’ peak demand reductions and their continuing use of grid infrastructure?** Comparing allocation rules would help policymakers assess the distribution of costs alongside incentives for flexibility.
2. **What curtailment buffer minimizes expected total costs after accounting for missed peaks, data delays, and forgone mining revenue?** A decision model would support operating controls that reflect both tariff exposure and production losses.
3. **What tariff design can distinguish electricity scarcity from infrastructure cost responsibility without weakening useful flexibility?** Resolving this distinction would help align market signals with the different functions of energy prices and grid charges.
4. **How does additional battery deployment change the profitability of miners’ ancillary service participation?** Estimating that response would improve investment assessments that otherwise assume persistent flexibility revenues.
5. **What workload transfer capabilities allow AI inference to curtail electricity demand without unacceptable service degradation?** Demonstrating those capabilities would establish a firmer basis for incorporating AI demand into grid flexibility planning.

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## Broader Implications

### Flexibility changes infrastructure bargains

A broader inference is that highly responsive customers can unsettle cost allocation rules developed around relatively inflexible demand. Individual customers may reduce their bills while shared infrastructure still requires financing. Durable arrangements therefore depend on how institutions reconcile useful demand responses with continuing obligations to support the network.

### Successful incentives can erode their own value

A broader inference is that profitable flexibility opportunities attract technologies that reduce the scarcity supporting those returns. As more resources respond to the same prices, investors cannot assume that historical revenue premiums will persist. Capital allocation must account for the collective response to incentives as well as the performance of individual assets.

### Reliability can move from the site to the service

A broader inference is that distributed computing may preserve service availability while allowing individual locations to vary electricity consumption. That possibility depends on coordination across facilities and available capacity wherever workloads move. Infrastructure planning would then need to distinguish local uptime commitments from the reliability of the service delivered across the wider system.

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