By Russell Goldfarbmuren, Founder & CTO, Rebound Technologies

In the United States, Texas recently made a pivotal move in U.S. energy policy^2,3: a new law (SB 6²) gives the state’s grid operator, ERCOT, the authority to disconnect very large, non-critical electricity users during grid emergencies and to require new “large loads”(commonly 75 MW or more) to meet stricter interconnection and operational standards. The statute combines mandatory curtailment authority with a program that compensates large facilities that can rapidly reduce demand or switch to on-site backup power when called upon.

The immediate focus is on the fastest-growing class of electricity demand in Texas: hyperscale and AI-accelerated data centers. Peak demand in Texas has repeatedly reached record highs, and projections indicate summer peaks could nearly double by the early 2030s due in large part to high-density computing facilities. Lawmakers determined that ERCOT needed clearer tools⁴ to maintain reliability in rare but potentially dangerous system conditions.

Why this matters beyond Texas

SB 6 is likely to influence other states in the U.S. because many are facing the same pattern of concentrated load growth in specific regions. Virginia, the largest data center market in the U.S.⁹, is debating new regulatory requirements in response to local siting conflicts, transmission constraints, and rapidly rising demand forecasts. Legislators are considering measures to balance economic growth with environmental and reliability concerns, while communities respond to new high-voltage transmission lines proposed to serve “Data Center Alley”.

Internationally, regulators have already taken strong action in similar situations. Ireland’s regulator issued directives in 2021 that restricted new grid connections⁶ or data centers in the Dublin region to protect system reliability. Singapore temporarily paused new data center development⁷, later lifting the moratorium but with strict performance requirements focused on efficiency and sustainability. The Amsterdam metropolitan area halted new projects in 2019⁸ and later resumed approvals under tighter planning controls and capacity limits. The common thread is that when grid capacity is limited, large computing loads are expected to be more efficient, more flexible, and in some cases to wait for additional capacity.

The broader trend is that reliability-focused rules are moving from voluntary participation in demand response programs and time-of-use pricing toward explicit obligations. These include curtailment authority, interconnection fees, backup power coordination, and greater disclosure requirements. Texas’s law is notable not only for giving ERCOT the authority to shed large loads during emergencies, but also for strengthening the interconnection process ^2,5 giving ERCOT the authority to disconnect very large, non-critical electricity users^1,4 and cost-sharing arrangements for facilities that have a major impact on regional system planning. If the law proves effective, it could serve as a model for other U.S. jurisdictions facing similar growth and grid stress.

What this means for data center owners & operators

For data center owners, several clear implications emerge:

• Plan for mandatory flexibility. In more locations, operators will need credible and verifiable methods for reducing net grid demand during defined emergency events. This will sometimes require advance notice but may also be needed with very short warning.
• Expect interconnection processes to become more rigorous. New projects will undergo deeper studies, face higher cost allocations, and in some cases encounter sequencing or caps based on local capacity. Co-location with generation and the use of on-site backup systems that cannot export to the grid will also be more closely reviewed by regulators.
• Recognize that siting and community considerations are growing in importance. Even where state policy is supportive, local debates over land use and transmission infrastructure can shape project timelines and feasibility. Developers will need strong local engagement strategies and grid-conscious designs.

Where Rebound fits

Rebound works on thermal energy solutions for large commercial and industrial facilities. In the data center context, cooling systems are among the largest controllable electrical loads. As curtailment and firm load shed frameworks become more common, the ability to shift, reduce, or temporarily operate cooling without drawing from the grid becomes strategically important.

At a high level, the operational value is in decoupling cooling demand from real-time grid consumption. Systems that build up cooling reserves during unconstrained grid periods can carry facilities through short emergency windows with minimal impact on computing operations. From a policy perspective, this is precisely the kind of capability that new programs are seeking: fast, verifiable reductions in net load during stressed conditions, without compromising critical services. Texas’s combination of mandatory curtailment authority with incentives for demand reduction is a preview of how future programs may operate.

Rebound’s C1 approach, which focuses on thermal energy storage and load flexibility, is an example of the types of solutions that can:

• Lower interconnection risk by demonstrating that part of the site’s load is flexible by design, which can help during utility reviews of large new loads.
• Support compliance with emergency curtailment directives by quickly reducing grid draw, either by switching to stored thermal capacity or working in tandem with on-site generation according to local rules.
• Create economic value by participating in compensated demand response programs, turning operational flexibility into an additional revenue stream.

Texas is only the canary in the coal mine. As more U.S. states consider similar measures in response to AI-driven demand growth, extreme weather risks, and concerns over ratepayer costs, operators with documented, verifiable flexibility will find it easier to connect, expand, and operate under new conditions. Reporting suggests that policymakers across the U.S. are observing Texas closely¹⁰ while considering how to address their own versions of the data center growth challenge.

Looking ahead

• Policy momentum is likely to continue. Additional states may create large flexible load categories with explicit curtailment authority, clearer cost allocation rules for interconnection, and expanded disclosure requirements. While the details will vary, the common premise is that reliability comes first and flexibility is required.
• International experience offers lessons. Jurisdictions that implemented moratoria or connection limits, such as Dublin and Amsterdam, are now experimenting with controlled re-openings under strict performance criteria. Singapore’s approach, which resumed development with high-efficiency mandates, shows how capacity-constrained regions may manage growth sustainably.
• Operators will need to incorporate load management into their resilience planning. Beyond power purchase agreements and on-site generation, managing cooling loads becomes a core element of operational strategy. The goal is not only to reduce annual energy use but to provide verifiable, time-bound demand flexibility that aligns with grid needs.

Texas’s SB 6 establishes a new expectation for the largest electricity users: during emergencies, be ready to reduce consumption quickly and predictably. That expectation is spreading through formal laws, interconnection requirements, and local planning rules. For data center operators, the message is not just about regulatory compliance; it is a design requirement. Facilities that combine computing efficiency with credible, tested load flexibility will be better positioned to connect, scale, and operate reliably as more regions adopt rules similar to Texas.

As grids become stricter in their operational requirements, solutions that turn cooling from a fixed demand into a flexible resource will move from being optional to essential.

To learn more about Rebound, please visit https://www.rebound-tech.com/.

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Sources

1. Utility Dive: “Texas law gives grid operator power to disconnect data centers during crisis” (June 25, 2025). Utility Dive
2. McGuireWoods client alert: “Texas Senate Bill 6 Significantly Expands Regulatory Oversight Over Large Loads in ERCOT” (July 10, 2025). McGuireWoods
3. Texas Tribune: “Bill that gives Texas increased oversight of largest energy users wins support” (May 25, 2025). The Texas Tribune
4. Axios (Dallas): “ERCOT given more oversight authority under state bill” (May 30, 2025). Axios
5. Data Center Dynamics: Texas Governor approves bill on interconnection cost-sharing for large loads (June 23, 2025). Data Center Dynamics
6. Oireachtas (Ireland) parliamentary record on CRU direction for data-center grid connections (Nov 2021; referenced in 2022 Q&A). Oireachtas+1
7. Data Center Dynamics: “Singapore lifts data center moratorium – but sets conditions” (Jan 12, 2022). Data Center Dynamics
8. DataCenterDynamics/DataCenterPlanet analyses on Amsterdam’s moratorium and reopening under new rules. Data Center Dynamics
9. Virginia Mercury coverage of regulatory debates and transmission siting pressures in Virginia (Jan 14, 2025; Aug 14, 2025). Virginia Mercury+1
10. Washington Post: “Memories of deadly winter blackouts haunt the Texas data center boom” (Aug 7, 2025). The Washington Post