Counting Operational Data Centers in the US - May 2026
The U.S. data center market is marked by a substantial disconnect between announced capacity and actual operational facilities. Many announced projects have yet to materialize into physical infrastructure by May 2026. This results in headline numbers that overstate the real available capacity on the ground.
1. The Real Operational Capacity vs. The Headline Mirage
The U.S. data center market is currently characterized by a massive disconnect between "announced" capacity and physical reality on the ground. To answer your core question, the actual operational figures represent a fraction of the heavily publicized development pipeline.
In 2025, approximately 2.5 gigawatts (GW) of new supply was delivered across the eight primary U.S. markets, with broader colocation deliveries reaching roughly 4.0 GW, bringing the total operational U.S. capacity to 61.8 GW (Report 1, Report 3). The number of operational hyperscale facilities specifically grew from 460 to 580 during the year (Report 1).
Year-to-date in early 2026 (up to May), approximately 380 new facilities of varying sizes became active, adding an estimated 0.60 GW to primary markets and 1.2 GW across total U.S. colocation (Report 1).
However, looking at the remainder of 2026 reveals heavily conflicting forecasts. Report 1 notes that market intelligence schedules roughly 12 GW of new capacity to come online throughout the full year of 2026. Conversely, Report 4 cautions that of the 12 to 16 GW "announced" for 2026 delivery, only about 5 GW was actually under construction by early 2026, predicting that 30% to 50% of this pipeline will fail to materialize before year-end. This mirrors 2025, when 26% of expected capacity slipped past its scheduled operational date (Report 4).
2. The Structural Realities Constraining Growth
The bottleneck for bringing capacity online has completely fundamentally shifted from the server rack to the high-voltage electrical substation.
Report 4 reveals that wait times for grid interconnection in major zones like Northern Virginia can now stretch up to 15 years, with the primary U.S. grid operator, PJM Interconnection, facing a staggering 220 GW backlog. Even if grid access is granted, the physical hardware is unavailable: high-voltage transformers now require 5-year lead times (up from 2 years) due to a severe shortage of grain-oriented electrical steel from the single domestic U.S. producer (Report 1, Report 4).
These constraints have triggered severe grid strain and regulatory blowback. In the PJM market, data center demand directly drove a $9.3 billion capacity market price increase for 2025–2026, leading to higher residential bills and prompting regulators to intervene (Report 3). In response to overloaded queues, ERCOT in Texas was forced to propose a "Batch Zero" system to process interconnection requests collectively rather than individually, while Dominion Energy in Virginia began limiting large-load requests to 300 MW (Report 3, Report 4).
3. The Pivot to "Bring Your Own Generation" (BYOG)
To bypass utility gridlock, operators are fundamentally altering how data centers are powered and where they are built, transitioning from a cloud-centric urban model to a decentralized, rural "AI factory" architecture (Report 2).
Roughly 67% of new data center construction has shifted to rural areas where cheap land and alternative power arrangements are feasible (Report 2). Because public utilities require 4 to 5 years for high-power interconnections (Report 1), developers are turning to "Behind-the-Meter" (BTM) natural gas turbines to secure a 18-to-24-month speed-to-market advantage (Report 3).
This reliance on BTM natural gas caused planned non-renewable capacity additions to surge 71% from 2025 to 2026, while renewable growth flattened to 2% (Report 3). For long-term baseload power, the industry is aggressively reviving nuclear assets, evidenced by Microsoft's 20-year commitment to purchase the entire 835 MW output of the soon-to-be-restarted Three Mile Island, and Amazon's $18 billion deal to procure up to 1,920 MW through the utility serving the Susquehanna nuclear plant (Report 3).
4. Strategic Opportunities for Operators and Investors
The transition from a "land grab" to an "execution race" creates distinct avenues for premium returns.
Entities that can guarantee predictable "speed-to-power" will command significantly higher rents than those holding massive but unpowered real estate portfolios (Report 4). Because hardware obsolescence is a severe risk—Report 4 highlights that hyperscalers are currently stockpiling billions in GPUs that may sit in unpowered "dark shells" depreciating against rapid refresh cycles—investors should prioritize infrastructure players who can deliver operational certainty over mere gigawatt scale.
Furthermore, capital should look beyond traditional primary markets. Driven by power scarcity, 64% of early 2026 construction capacity was located in "frontier" markets (Report 1). Texas alone hosted 140 under-construction data centers as of March 2026, and gigawatt-scale campuses are rapidly emerging in regions like the Midwest (Ohio, Illinois) and the Southeast (Georgia) (Report 1, Report 2). Co-investing with midstream natural gas providers who are building modular, behind-the-meter gas plants directly for data centers represents a highly strategic bypass of traditional grid bottlenecks (Report 3).
5. Watch Out For: "NOTE" Activism
Community opposition is no longer just a permitting hurdle; it is an existential threat to new developments. NIMBYism has escalated into the "NOTE" (Not Over There, Either) movement, citing noise, massive water usage, and surging residential utility rates as primary grievances (Report 4).
Report 4 shows that between May 2024 and March 2025, an estimated $64 billion in U.S. data center projects were delayed or blocked due to local opposition, with absolute project cancellations jumping to 25 in 2025. Operators failing to integrate aggressive community benefit plans and zero-water-consumption liquid cooling designs (like Microsoft's new Atlanta campus) risk total project forfeiture in this increasingly hostile regulatory environment (Report 2, Report 4).
- 01 Shanu Mathew reconciles conflicting industry reports to estimate ~15 GW of net US data center capacity additions energized in 2026, noting wide gaps between contracted deals for frontier labs like OpenAI and Anthropic versus physically delivered power from hyperscalers.
- 02 Hedgie points out that only one-third of the 12 GW announced for 2026 is under construction, with half of planned facilities likely delayed or canceled due to five-year lead times on transformers and switchgear that US manufacturers cannot supply.
- 03 Mr.DataCenters observes that as of April 2026 the majority of 2027 announced US capacity shows zero construction activity, meaning announced projects remain far from operational and operators who actually deliver on schedule will capture the real advantage.
- 04 Beth Kindig notes primary-market construction under way declined to ~6 GW in 2025 from 6.35 GW the prior year—the first drop in five years—signaling that permitting, zoning, and power procurement are already constraining the headline pipeline.
- 05 TFTC highlights that the US now operates 3,069 data centers with another 1,489 planned or under construction, yet the disclosed pipeline exploded from 93 GW at end-2024 to 241 GW by end-2025, illustrating how quickly announced figures outpace physical builds.
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Report 1 Research the publicly estimated number of new data centers that officially became operational in the US during 2025 and year-to-date in 2026 (up to May 2026). Aggregate data on the total gigawatt (GW) capacity these newly online facilities represent, breaking down the figures by year and quarter if available.
The United States data center market in 2025 and early 2026 transitioned from a phase of unconstrained acceleration to one of "managed growth." While demand for artificial intelligence (AI) and cloud infrastructure reached record highs, the physical ability to bring new facilities online became increasingly tethered to grid capacity and long-lead electrical equipment.
1. 2025 Operational Capacity and Deliveries
The U.S. data center market added significant volume in 2025, though "deliveries" (completions) began to lag behind "absorption" (leasing) as power constraints intensified. In the primary markets, supply growth was record-breaking, yet still insufficient to satisfy the multi-gigawatt requirements of hyperscale tenants.
- Total Capacity Delivered: Across the eight primary U.S. markets, approximately 2.5 gigawatts (GW) of new supply was delivered in 2025, bringing the total primary market inventory to 9.43 GW, a 36% year-over-year increase [10, 17].
- Colocation Supply: Across the broader Americas region (of which the U.S. represents 93.6%), approximately 4.0 GW of new colocation capacity was officially delivered in 2025 [20].
- Hyperscale Footprint: The number of operational hyperscale data centers in the U.S. reached 580 by the end of 2025, up from an estimated 460 at the start of the year (based on global growth trends and a 55% U.S. share of the 1,360 global total) [3, 14].
- Quarterly Progression:
- Q1 2025: Inventory in top four markets (Northern Virginia, Chicago, Atlanta, Phoenix) increased 43% YoY [19].
- H1 2025: Primary market supply reached 8.16 GW, an 18% increase from the end of 2024 [17].
- Q4 2025: A notable cooling in "newly added pipeline" capacity occurred, falling 50% from Q3 levels to 25 GW as developers focused on finishing existing projects rather than starting new ones amidst gridlock [6].
2. 2026 Year-to-Date Operational Trends (Up to May)
As of mid-May 2026, the U.S. remains the dominant global hub, hosting roughly 45% of the world's operational data centers. The focus has shifted toward "Bring Your Own Power" (BYOP) strategies to bypass utility-level delays.
- Operational Count: As of May 11, 2026, the U.S. has 4,280 active data centers [27]. This represents a sharp increase from the ~3,900 facilities reported in January 2026, implying that approximately 380 new facilities of varying sizes became operational in the first four months of 2026 [20].
- Capacity Outlook: Market intelligence suggests roughly 12 GW of new capacity is scheduled to come online in the U.S. during the full year of 2026, though only about 5 GW was under active construction as of May 2026 due to extreme bottlenecks in high-voltage transformers and switchgear [29].
- Financial Momentum: In January 2026 alone, U.S. companies spent over $25 billion across 20 new data center construction sites, a massive jump from the $2.9 billion spent in January 2024 [27].
3. Regional Breakdown and "Frontier" Markets
The massive 2025 deliveries were heavily concentrated in traditional hubs, but the 2026 pipeline shows a decisive shift inland toward power-rich regions.
- Northern Virginia: Remained the global leader, delivering over 1.1 GW of net absorption in 2025 and reaching a total operational inventory of 4.04 GW [10].
- The "One Gigawatt" Club: By early 2026, Atlanta and Dallas-Fort Worth joined Northern Virginia as the only North American markets to surpass 1 GW of total operational supply [10].
- Frontier Shifts: Due to power scarcity in Virginia and Silicon Valley, 64% of the capacity under construction as of early 2026 is located in "frontier" markets such as West Texas, Ohio, Wisconsin, and Tennessee [21]. Texas alone had 6.5 GW of capacity under development by Q1 2026 [21].
4. Implementation Challenges and Delivery Mechanisms
The mechanism of bringing a data center "online" has changed. Developers no longer rely solely on utility timelines, which now average 4 to 5 years for high-power interconnections [29].
- The Power Bottleneck: High-voltage transformer lead times have stretched to 5 years (up from 2 years pre-2020), making electrical equipment 100% of the bottleneck despite being less than 10% of the total cost [29].
- Behind-the-Meter (BTM) Growth: To meet 2025 and 2026 operational targets, developers are increasingly using onsite natural gas turbines and "microgrids." For example, Oracle’s "Stargate" campuses and various Microsoft projects in the Midwest are utilizing BTM power to bypass grid queues [6, 23].
- Density Shift: New operational facilities in 2026 are significantly more power-dense. While the average data center once required 30–50 MW, new AI-optimized facilities delivered in early 2026 are frequently 100 MW to 300 MW in a single building [14].
Summary of Added Capacity (GW)
| Period | Primary Market Deliveries (GW) | Total U.S. Colocation Deliveries (GW) | Hyperscale U.S. Operational Count |
|---|---|---|---|
| 2024 (Baseline) | 6.94 GW | 17.8 GW (Est.) | 460 |
| 2025 Full Year | 2.49 GW [10] | 4.00 GW [20] | 580 [3] |
| 2026 YTD (May) | ~0.60 GW (Est.) | ~1.20 GW (Est.) | ~610 (Est.) |
Sources: [3], [6], [10], [14], [17], [19], [20], [21], [27], [29]
Sources
Report 2 Analyze the geographic distribution and key operators of the data centers that came online in 2025 and early 2026. Identify which US regions (e.g., Northern Virginia, Texas, Pacific Northwest) saw the most newly activated capacity and categorize the operators (hyperscalers vs. colocation providers).
The U.S. data center market reached a historic inflection point in 2025 and early 2026, transitioning from a cloud-centric model to a decentralized "AI factory" architecture. Total primary market supply surged by 36% in 2025 to reach 9,432 megawatts (MW), driven by an unprecedented $315 billion in hyperscaler capital expenditure during that year alone [6, 7, 9]. By May 2026, the construction pipeline remained at record levels, with over 1,500 new data centers in various stages of development nationwide [5].
1. The Geographic Pivot: Texas and Northern Virginia
While Northern Virginia remains the world’s largest data center market, 2025 and early 2026 marked the rise of Texas as a primary challenger due to its "behind-the-meter" power advantages and vast land availability. Operators are increasingly bypassing standard utility interconnection queues by building on-site generation, a strategy that has made rural Texas the epicenter of the 5-gigawatt (GW) "mega-campus."
- Texas Capacity Expansion: Texas led the nation with 140 data centers under construction as of March 2026 [13]. Major activations included IREN’s Sweetwater 1 (1.4 GW) in May 2026 and the initial 1.2 GW phase of the Microsoft/OpenAI "Stargate" project in Abilene, expected to be operational by mid-2026 [16, 18].
- Northern Virginia Resilience: Despite power constraints, Northern Virginia added over 1,000 MW of net absorption in 2025, bringing its total inventory to 4,039.6 MW [6, 9]. New activations in early 2026 included Menlo Digital’s 225 MW expansion and EdgeCore’s first single-tenant hyperscale facilities funded by a $1.5 billion financing round [16, 18].
- Regional Dominance: As of early 2026, Virginia (136 projects) and Texas (140 projects) were the only states with more than 100 data centers concurrently under construction, together representing more than the rest of the top 10 states combined [13].
2. Emerging Power Hubs: The Midwest and Southeast
The search for "fast path to power" has pushed development into the Midwest and Southeast, where states like Ohio, Indiana, and Georgia have approved multi-billion dollar campuses that are larger and more power-intensive than traditional facilities.
- Midwest Momentum: Ohio has emerged as a top-tier hub, with Cologix constructing an 800 MW AI-ready campus in Johnstown and Google expanding its Central Ohio footprint [1, 4]. In May 2026, the Joliet City Council in Illinois approved a $20 billion, 1.8 GW complex, the largest single-site approval in state history [18].
- Southeast Surge: Georgia moved to the #3 spot for construction activity in early 2026 with 56 active projects [13]. Microsoft activated its "Fairwater" AI campus in Atlanta in October 2025, which serves as a blueprint for its liquid-cooled, zero-water-consumption designs [14].
- Mississippi and Louisiana: Amazon (AWS) expanded its Mississippi investment to $25 billion in May 2026, while Meta advanced its $10 billion "Hyperion" campus in Louisiana, designed to scale to 5 GW of capacity [14, 18, 19].
3. Pacific Northwest: Rural Expansion and "Exascale" Sites
The Pacific Northwest (PNW) has shifted from urban centers like Seattle and Portland toward rural corridors along the Columbia River (Quincy, WA and The Dalles/Boardman, OR) to leverage hydroelectric and renewable energy resources.
- Oregon’s "Exascale" Ambition: Amazon acquired 1,300 acres in Boardman, OR, in March 2026 for a potential $12 billion campus featuring up to 20 buildings and 1 GW of capacity [23]. Google activated a new facility in The Dalles in 2025 and has another under construction for late 2026 [21, 22].
- Hillsboro’s Critical Density: The Hillsboro, OR, market reached 475.4 MW of total inventory by the end of 2025 with a record-low vacancy rate of 0.2%, reinforcing its role as the primary West Coast hub for latency-sensitive deployments [15].
- Washington’s Quincy Hub: Microsoft continues to use Quincy, WA, as its strategic model, currently operating 30 sites in the state with significant new construction underway in the Quincy and Wenatchee areas as of early 2026 [11, 24].
4. Operator Categorization: Hyperscalers vs. AI Infrastructure Specialists
The market is currently bifurcated between traditional hyperscalers, who are self-building to control their "AI stacks," and a new class of specialized operators providing massive "powered shells" for high-density AI clusters.
- Hyperscaler Dominance: Amazon, Microsoft, and Google currently own more than 50% of all worldwide hyperscale capacity [15]. Combined, the top five hyperscalers (including Meta and Oracle) are projected to spend over $600 billion on capex in 2026, primarily for AI infrastructure [14, 17].
- Colocation and Wholesale Growth: Primary colocation providers like Equinix, Digital Realty, and Vantage Data Centers delivered 4,000 MW of new supply in 2025 [12]. CyrusOne and QTS are increasingly focusing on "wholesale" colocation for AI-native tenants like CoreWeave and Lambda Labs, who require 30 kW+ per rack [20].
- New Infrastructure Class: Companies like Crusoe and Tallgrass Energy are developing "Project Jade," a 10 GW campus using gas-fired generation paired with carbon capture, signaling a shift toward specialized, power-intensive real estate platforms that operate independently of traditional grid constraints [10].
5. Strategy Shift: From Urban "Cloud" to Rural "AI Factories"
The most significant trend in the 2025-2026 cycle is the geographic and technical shift required to support generative AI. As training and inference workloads demand more power than traditional grids can reliably provide, the industry is fundamentally relocating.
- Rural Relocation: Roughly 67% of new data centers are being built in rural areas, a sharp reversal from the 87% of existing data centers currently located in urban centers [5]. Operators are following cheap land and "behind-the-meter" power sources to avoid multi-year utility interconnection delays [1, 5, 25].
- Density and Cooling: New facilities activated in 2026 are designed for 50-150 kW per rack, compared to the 10-15 kW standard for cloud data centers [25]. This has forced a shift toward closed-loop liquid cooling systems (as seen in Microsoft’s Atlanta and Wisconsin campuses) to manage heat without massive water consumption [14, 25].
- On-Site Power Strategies: Over one-third of data centers are expected to use 100% on-site power by 2030. In 2025-2026, major operators like Meta and Microsoft signed massive deals for on-site natural gas generation and dedicated nuclear/solar backstops to ensure 24/7 reliability for AI training clusters [10, 17, 18].
Sources:
[1] blackridgeresearch.com: "Top 15 New Upcoming Data Centers in the USA (April -2026)"
[4] blackridgeresearch.com: "Cologix – Johnstown, Ohio"
[5] pewresearch.org: "Most new data centers in the U.S. are coming to rural areas"
[6] cbre.com: "North America Data Center Trends H2 2025"
[7] fierce-network.com: "The data center boom in charts"
[8] constructconnect.com: "March 2026 Data Center Report"
[9] cbre.com: "Fast-Growing North American Data Center Market Set Records in 2025"
[10] orennia.com: "The 20 Largest Data Centers Being Developed in North America"
[11] microsoft.com: "Microsoft datacenters in Washington (2025)"
[12] cushmanwakefield.com: "Americas Data Center Update | H2 2025"
[13] visualcapitalist.com: "Mapped: America's Data Center Construction Boom (March 2026)"
[14] datacenterknowledge.com: "AI-First Hyperscalers: 2026's Sprint Meets the Power Bottleneck"
[15] cbre.com: "Hillsboro Data Center Market Sees Strong Demand in 2025"
[16] csgtalent.com: "Data Centre Projects 2026: Global Growth and Market Leaders"
[17] rdworldonline.com: "Tech firms pledge to fund power for AI data centers"
[18] usdatacenterprojects.com: "United States Data Center Database (2026)"
[19] datacenterknowledge.com: "New Data Center Developments: May 2026"
[20] globenewswire.com: "United States Data Center Colocation Databook Report 2026"
[21] columbiacommunityconnection.com: "New Google Data Center Delivers $9.8M Locally (March 2026)"
[22] opb.org: "As Google's water demands grow, The Dalles aims to pull more from forest"
[23] geekwire.com: "Amazon buys 1,300 acres near Columbia River"
[24] opb.org: "Small town in Central Washington is Microsoft's answer to data center backlash"
[25] datacenters.com: "2026 Data Center Projects That Could Add 20 GW of New Capacity"
Sources
Report 3 Investigate how the newly operational data center capacity (GW) from 2025 and 2026 is being powered. Research public utility reports, grid operator statements (like PJM or ERCOT), and corporate power purchase agreements to determine the strain on the US power grid and the mix of renewable versus traditional energy used to activate these sites.
As of mid-2026, the US data center industry has reached an unprecedented scale, with operational capacity growing 22% in 2025 to 61.8 gigawatts (GW) and projected to hit 75.8 GW by the end of 2026 [1.6, 1.31]. This rapid expansion is being powered through a shifting mix of massive renewable portfolios, a resurgence in natural gas utilization via "behind-the-meter" plants, and the restart of retired nuclear facilities.
1. The 2025-2026 Capacity Surge: From Hyperscale to Gigawatt-Scale
The data center pipeline underwent a structural transformation between 2024 and 2026, shifting from multi-megawatt facilities to "gigawatt-scale" campuses. While the US entered 2025 with approximately 23 GW of IT capacity live, the pipeline exploded to 241 GW by the end of 2025, with 33% (roughly 80 GW) under active development [1.7, 1.31].
* Stargate Abilene (Texas): The flagship site of the $500 billion Stargate project (OpenAI/Oracle/SoftBank) reached 0.3 GW operational capacity in April 2026, with plans to reach 1.2 GW by Q4 2026 [1.16, 1.31].
* Expansion Bottlenecks: Nearly half of all data center projects originally planned for 2026 have faced delays or cancellations [1.21, 1.30]. The primary constraint is not capital, but the physical supply of high-voltage transformers and switchgear, with lead times stretching from 2 years in 2020 to 5 years in 2026 [1.25, 1.30].
* Concentrated Demand: Five massive AI data center campuses are expected to reach the 1 GW threshold in 2026, each consuming as much electricity as a large nuclear power plant [1.6].
2. The Great Gas Pivot: "Behind-the-Meter" and BYOG
To bypass grid interconnection queues that now exceed five years in major markets, data center operators are increasingly deploying "Bring Your Own Generation" (BYOG) strategies. This mechanism involves building on-site natural gas power plants that operate independently of the public grid, allowing for a "speed-to-power" advantage of 18–24 months [1.6, 1.12].
* Natural Gas Surge: Planned non-renewable capacity additions for data centers surged 71% from 2025 to 2026, while renewable growth flattened to just 2% over the same period [1.30].
* The Microgrid Model: Microsoft contracted with Nscale in West Virginia for an 8 GW natural gas microgrid to power an AI campus beginning in 2027 [1.11].
* Mobile Solutions: Due to a shortage of permanent turbines, some developers are utilizing "mobile gas generators" mounted on semi-trucks or repurposed turbines from aircraft and cruise ships to activate sites in 2026 [1.13].
* Midstream Integration: Gas infrastructure companies like Williams have committed over $5.1 billion to build modular, behind-the-meter gas plants directly for data center clients, bypassing utility grids entirely [1.6].
3. The Nuclear Renaissance and Regulatory Workarounds
Nuclear power has emerged as the preferred "clean firm" source for hyperscalers to meet 24/7 carbon-free energy goals. In 2025 and 2026, major deals moved from the planning phase to regulatory maneuvering to ensure these gigawatts could be delivered directly to AI sites.
* Microsoft and Three Mile Island: Constellation Energy is spending $1.6 billion to restart Three Mile Island Unit 1 (now the Crane Clean Energy Center), with Microsoft contracting its entire 835 MW output for 20 years [1.8, 1.21]. As of May 2026, the plant is in a critical safety inspection phase, targeting a restart by mid-2027 [1.10, 1.32].
* Amazon’s "Front-of-the-Meter" Pivot: After FERC rejected an initial co-location deal for Amazon to pull 960 MW from Talen Energy's Susquehanna nuclear plant, the parties restructured the deal in June 2025 to a "front-of-the-meter" PPA [1.7, 1.26]. This $18 billion agreement allows Amazon to procure up to 1,920 MW through the utility (PPL Electric) rather than a direct behind-the-meter connection [1.26, 1.33].
* Next-Gen Nuclear: Google signed a 1.8 GW deal with Elementl Power for clean baseload power, while Meta contracted for up to 6.6 GW from Vistra's nuclear fleet [1.3, 1.12].
4. Grid Strain and Economic Impact (PJM & ERCOT)
The concentration of data center demand in specific regions has led to significant reliability alerts and retail price increases for residential consumers.
* PJM Price Shock: In the PJM market (stretching from Illinois to North Carolina), data center demand was the primary driver for a $9.3 billion price increase in the 2025–2026 capacity market [1.4, 1.5]. This has translated to monthly bill increases of roughly $18 for residents in western Maryland and $16 in Ohio [1.4, 1.6].
* NERC Level 3 Alert: In May 2026, the North American Electric Reliability Corporation (NERC) issued its highest-level "essential action" alert, warning that data center AI workloads cause "wild power swings" that could trigger cascading outages [1.26].
* ERCOT "Batch Zero": To manage a backlog of 238.6 GW in large-load requests (77% from data centers), ERCOT filed the "Batch Zero" proposal (PGRR 145) in March 2026 [1.3, 1.15, 1.22]. This process replaces individual studies with a system-wide "batch" approach to allocate limited transmission capacity more efficiently [1.1, 1.4].
5. Utility Capital Response: Rebuilding for AI
Major utilities are launching record-breaking capital programs to expand generation and transmission capacity, often passing these costs through to the industrial and commercial rate classes.
* Duke Energy: In February 2026, Duke revealed a $103 billion five-year capital plan [1.27]. The utility is breaking ground on 5 GW of new natural gas generation and 4.5 GW of battery storage to support data centers that now comprise 75% of its economic development-driven load growth [1.17, 1.27].
* Dominion Energy: Serving the world's largest data center hub in Northern Virginia, Dominion reported approximately 70,000 MW of data center-related interconnection requests in its queue as of early 2026—nearly triple its all-time peak load [1.15]. The utility expects to connect 25,000 MW of this demand by 2031 [1.15].
* New Rate Classes: Virginia approved a new "GS-5" rate class in late 2025, requiring data centers to pay for at least 85% of their contracted capacity regardless of actual use to protect residential ratepayers from stranded infrastructure costs [1.6, 1.35].
Sources:
[1.1] "ERCOT’s Proposed 'Batch Zero' Process" - foley.com (2026)
[1.2] "New Framework for Large Loads in ERCOT: Batch Zero" - epeconsulting.com (2026)
[1.3] "Gigawatt PPAs: How AI Redefined Energy in 2026" - enkiai.com (2026)
[1.4] "Energy use at U.S. data centers amid AI boom" - pewresearch.org (2025)
[1.5] "13 Data Center Growth Projections That Will Shape 2026" - avidsolutionsinc.com (2026)
[1.6] "AI data centers pass 1 gigawatt and strain the grid" - qz.com (2026)
[1.7] "US data center capacity slows down in Q4 2025" - woodmac.com (2026)
[1.8] "Three Mile Island Nuclear Plant Set to Restart" - energynewsbeat.co (2026)
[1.10] "Microsoft Seeking Nuclear Power for Data Centers" - mycnr.com (2026)
[1.11] "What natural-gas-fueled data centers mean" - trellis.net (2026)
[1.12] "Surging U.S. power needs drive gas opportunity" - vettafi.com (2026)
[1.13] "'Behind-the-Meter' AI Projects Surge in U.S." - nam.org (2026)
[1.15] "Dominion Energy Faces Data Center Demand Test" - alphastreet.com (2026)
[1.16] "OpenAI's Stargate Project Guide" - intuitionlabs.ai (2026)
[1.17] "Analyzing Duke Energy's 2025/26 Carbon Plan" - energync.org (2026)
[1.21] "Microsoft and OpenAI pause Stargate UK" - youtube.com (2026)
[1.22] "Exploring Complex ERCOT Load Growth Dynamics" - yesenergy.com (2026)
[1.25] "Power Demand Forecasts Revised Up" - gridstrategiesllc.com (2025)
[1.26] "NERC Issues Alert on Data Centers Stability" - businessinsider.com (2026)
[1.27] "Duke Energy sets record $103 billion capital plan" - charlotteobserver.com (2026)
[1.30] "AI Data Center Power Surge: Shifting Toward Gas" - americanactionforum.org (2026)
[1.31] "OpenAI Stargate: where US sites stand" - substack.com (2026)
[1.32] "Inside the AI Revival of Three Mile Island" - youtube.com (2026)
[1.33] "Cozen O’Connor Advises Talen in PPA with Amazon" - cozen.com (2025)
[1.35] "Dominion Energy says data centers aren't raising bills" - whro.org (2026)
Sources
Report 4 Analyze disconfirming evidence regarding recent data center growth, focusing on reasons why the reported 2025-2026 "operational" numbers or GW estimates might be overstated. Investigate bottlenecks such as power grid connection delays, supply chain shortages for transformers, NIMBYism, and the difference between "leased/planned" capacity versus actual "turned on" operational capacity.
The rapid expansion of data center capacity, driven by the generative AI investment "supercycle," is increasingly colliding with physical and structural realities that suggest 2025–2026 operational projections are significantly overstated. While hyperscalers like Microsoft, Google, and Meta have committed between $650 billion and $700 billion to build data centers in 2026 alone [19, 24], recent market data reveals that nearly half of this planned capacity is at high risk of failing to meet its commercial operation date (COD).
1. The Construction Mirage: "Announced" vs. "Live" Capacity
Recent audits of the data center pipeline reveal a widening disconnect between headline capacity announcements and physical reality on the ground. For 2026, many projections assume a massive surge in "turned on" capacity that is not supported by current construction activity.
* The Construction Gap: Of the 12 GW to 16 GW of data center capacity announced for delivery in 2026, only approximately 5 GW is currently under construction [4, 12].
* Pipeline Attrition: Analysts now estimate that 30% to 50% of the 2026 pipeline is unlikely to come online before the end of the year [12].
* Historical Slippage: In 2025, roughly 26% of expected capacity slipped past its scheduled date, with an additional 10% of projects pushing back CODs without notice [12].
* What this means: Entrants cannot rely on "live" capacity statistics in market reports; the actual operational footprint is roughly one-third of the "announced" capacity, creating a severe bottleneck for those who have not already secured "powered land."
2. The Transformer Wall: Supply Chain's 5-Year Lag
The primary bottleneck for data centers has shifted from "the server rack to the substation" [1]. High-performance GPUs can be manufactured in 12–24 months, but the high-voltage (HV) electrical infrastructure required to power them now has lead times that exceed the entire project lifecycle of a data center.
* Extreme Lead Times: Delivery cycles for large power transformers (LPTs), which were 24–30 months pre-2020, have ballooned to as long as 5 years (60 months) as of early 2026 [1, 4, 6, 16].
* Material Shortages: A critical shortage of grain-oriented electrical steel (GOES), with only one domestic U.S. producer, has made the supply chain fragile. Transformer prices have reached 2.6 times their pre-pandemic levels [8].
* Procurement Scramble: Large developers are now purchasing production slots at a premium before they have even finalized a specific project site [2].
* What this means: Any data center project announced in 2025 that did not have a transformer order already in place by 2023 or 2024 is structurally incapable of becoming operational in 2026.
3. Grid Interconnection Paralysis: The 15-Year Queue
Even if a facility is built and equipped with transformers, securing a connection to the utility grid has become an "interconnection crisis." The U.S. power grid, designed for an era of flat demand, cannot absorb the gigawatt-scale requests hitting it.
* The PJM Backlog: PJM Interconnection, the largest U.S. grid operator, has 220 GW of projects stuck in its interconnection queue [18, 25]. Wait times for a grid connection now average 5 years, and in high-demand zones like Northern Virginia, the queue can take up to 15 years to cycle through [14, 20].
* Utility Batching: Dominion Energy has begun "batching" projects to manage unprecedented load growth, limiting large-load requests to 300 MW per project and addressing only about 10 requests at a time [20, 29].
* Regulatory "Brakes": Virginia lawmakers have considered legislation allowing utilities to delay connecting users requiring more than 90 MW to avoid overloading the grid [23].
* What this means: "Leased" capacity is often a "paper lease" for power that the utility has not yet guaranteed. This has driven the rise of the "BYOP" (Bring Your Own Power) model, where developers must invest in on-site generation (e.g., natural gas turbines or SMRs) to bypass the grid entirely [1, 13, 24].
4. The Rise of "NOTE" and Local Opposition
NIMBYism ("Not In My Backyard") has evolved into a more aggressive "NOTE" ("Not Over There, Either") movement, leading to a quadruple increase in project cancellations [10, 11].
* Blocked Projects: Between May 2024 and March 2025, an estimated $64 billion in U.S. data center projects were delayed or blocked due to local opposition [9].
* Cancellations: Project cancellations jumped from 6 in 2024 to 25 in 2025 [11]. Specific high-profile withdrawals include Tract's 1 GW+ projects in Arizona ($14B) and Headwaters Site Development's $400 million plan in Virginia [10].
* Activist Mobilization: At least 142 activist groups across 24 states are now organized to block data center construction, citing noise, water usage (up to 5 million gallons per day per site), and surging residential electricity rates [10, 31, 36].
* What this means: Local zoning and community benefit plans are no longer "checkbox" items; they are now the "life and death" of a project. Regulatory friction is a hard cap on growth in traditional hubs.
5. The "Dark Shell" and "Demand Mirage" Risks
The disconnect between capital expenditure and operational reality creates a financial risk where billions in hardware may sit "dark" while depreciating.
* Unpowered GPUs: Hyperscalers are currently buying tens of billions of dollars worth of GPUs that may sit in "dark shells"—empty data center buildings that lack the power to turn on the equipment [3].
* Depreciation Waste: Every quarter a facility stays dark, the hardware inside depreciates against Nvidia's annual refresh cycle, leading to "compounding waste" [3].
* Layered Demand: Analysts warn that "headline demand" may be overstated because capacity is often "double-counted" through layered arrangements where a colocation provider, an infrastructure investor, and a hyperscaler all report the same project in their pipelines [19].
* What this means: The market is transitioning from a "land grab" to an "execution race." For competitors, the opportunity lies in predictable delivery rather than total gigawatt scale. Entities that can provide "speed-to-power" (predictable, near-term operational dates) will command significantly higher rents than those with massive but "un-powered" portfolios [26, 30].
Sources:
[1] EnkiAI: Data Center Power Crisis 2026
[2] PV-Magazine: U.S. Transformer Market Severe Constraints (May 2026)
[3] TechInvestments: Power Bottlenecks & The AI Data Center (May 2026)
[4] Prosperous America: America's AI Boom Trade Policy Blind Spot (May 2026)
[6] XFullStarTechs: Solving the 2026 Transformer Shortage (April 2026)
[8] CWIEME Berlin: 24+ Month Lead Times for Transformer Suppliers (March 2026)
[9] ThinkBRG: NIMBY Opposition to Data Center Siting
[10] Data Center Knowledge: Data Center Protests Growing (April 2026)
[11] Construction Dive: What's Stalling Data Center Projects? (April 2026)
[12] Sightline Climate: 2026 Pipeline May Not Materialize (Feb 2026)
[13] CFACT: Data Center Energy Threat Overblown (April 2026)
[14] Hanwha Data Centers: Grid Limitations & The Power Bottleneck (Feb 2026)
[16] Reinforce Technology: The Global Data Centre Power Crisis (May 2026)
[18] ENR: PJM Interconnection Aims to Speed New Capacity (May 2026)
[19] Forbes: Why The Data Center Boom May Be Digging In The Wrong Dirt (May 2026)
[20] Royal Examiner: SCC Review of Dominion's Load Forecasting (April 2026)
[23] GovTech: Virginia Lawmakers Propose Slowing Data Center Growth (Dec 2025)
[24] IEA: Data Centre Electricity Use Surged in 2025 (April 2026)
[25] PJM: 800+ New Generation Projects Under Reformed Process (April 2026)
[26] JLL: 2026 Global Data Center Outlook
[29] Virginia Business: Dominion Prepares for 70,000 MW in Data Center Demand (Feb 2026)
[30] DC Byte: 2026 Data Centre Outlook (Jan 2026)
[31] Programs.com: Measuring the Data Center Boom 2026
[36] WHRO: Dominion Energy vs. Residential Electricity Bills (March 2026)