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An ASML extreme-ultraviolet (EUV) lithography scanner costs roughly €180 million to €230 million for a low-NA system, according to public press estimates. High-NA systems have been reported at more than €350 million. Those are indicative figures, not an ASML list price: the final contract depends on configuration, factory options, service terms, currency and delivery timing.
The scanner is only the most visible part of the investment. A buyer must install it in a qualified semiconductor cleanroom, connect high-capacity electrical, cooling, gas and safety systems, complete factory and site acceptance testing, and maintain a round-the-clock support operation. The practical cost is therefore a facility-and-lifecycle program, not a machine purchase alone.
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What an EUV machine does
EUV lithography transfers extremely small circuit patterns onto silicon wafers. The scanner projects a patterned exposure onto a wafer, where the pattern becomes one layer of an integrated circuit after subsequent semiconductor-processing steps. Because many chip layers must be aligned and repeated at high yield, the scanner is part of a much larger process ecosystem that includes masks, wafer tracks, metrology, process control and the fab’s material-handling system.
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How much the scanner itself costs
Low-NA NXE systems
Public reporting places a low-NA EUV system at approximately €180 million to €230 million. This range should be read as a market estimate for the scanner, not a guaranteed quotation. A customer’s price can move with the selected model, options, installation scope, software, service coverage, payment and delivery terms, exchange rates and the date of the agreement.
High-NA EXE systems
MoneyWeek has reported High-NA EUV pricing above €350 million. High-NA systems are a newer product generation, so early deliveries can include specialized configuration, integration and support requirements that do not map neatly to the price of an established NXE installation. The figure is therefore best used as an order-of-magnitude guide rather than a universal tariff.
The scanner price is not the project budget
The customer also pays for site preparation, cleanroom modifications, utilities, installation engineering, acceptance testing, spare capacity, staff training, process qualification and ongoing service. Public sources do not provide a universal annual operating-cost figure, and it would be misleading to multiply the purchase price by a fixed percentage to create one. Fab design, local energy prices, utilization, staffing model, service contract and production mix all matter.
NXE versus EXE: the practical differences
| Dimension | Low-NA NXE | High-NA EXE |
|---|---|---|
| Numerical aperture | 0.33 NA | 0.55 NA |
| Primary role | Established platform for high-volume manufacturing | Future advanced logic and DRAM layers |
| Indicative purchase price | About €180 million–€230 million, based on public press estimates | Above €350 million, based on public press reporting |
| Example throughput | NXE:3800E: 230 wafers per hour in ASML’s 2025 metrics | EXE:5200B shipped in April 2025 at 175 wafers per hour; EXE:5000A measured at 53 wafers per hour under ASML’s stated setup |
| Measured electrical power | NXE:3800E: 1.26 MW | EXE:5000A: 1.37 MW |
| Measured energy per wafer pass | 5.5 kWh per wafer pass for NXE:3800E | 25.8 kWh per wafer pass for EXE:5000A |
| High-volume production timing | In established high-volume use | ASML expects EXE to support high-volume manufacturing from 2027 |
| Patterning strategy | Uses the established 0.33 NA process ecosystem | Higher NA is intended to simplify patterning for some advanced layers, subject to process qualification |
| Utility burden | Requires the site’s qualified power, cooling, gases, cleanroom and safety systems | Requires the same categories of infrastructure, with model-specific capacity and integration requirements |
The power and throughput rows are model-specific measurements, not universal values for every EUV scanner. In particular, the EXE:5000A energy figure and the EXE:5200B shipment throughput describe different models and should not be combined as if they were one machine’s specification.
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How much electricity an EUV scanner uses
ASML’s 2025 metrics list the NXE:3800E at 1.26 megawatts and 5.5 kilowatt-hours per wafer pass, with a stated throughput of 230 wafers per hour. The same metrics list the EXE:5000A at 1.37 megawatts, 25.8 kilowatt-hours per wafer pass and 53 wafers per hour under the stated measurement setup.
These figures answer two different planning questions. Megawatts describe the scanner’s operating load and help determine electrical distribution, transformers, backup strategy and heat-rejection capacity. Kilowatt-hours per wafer pass describe energy intensity for a measured process condition. A fab cannot infer its annual electricity bill from either number alone without knowing uptime, wafer mix, maintenance windows, support equipment and local tariffs.
Hydrogen is a major part of the energy picture
EUV systems use a stream of low-pressure hydrogen gas to protect sensitive optics and keep the system operating. ASML says hydrogen management accounts for more than 20% of total system energy. Its recovery design targets 80% hydrogen recovery and a 50% saving in the power associated with hydrogen use.
A site therefore needs more than a gas connection. It needs delivery, purification or conditioning as specified for the installation, monitoring, exhaust and safety controls, plus a recovery arrangement that can operate reliably during production and maintenance. The exact architecture is a customer-and-configuration decision rather than a single published recipe.
Cleanroom and utility requirements
Cleanroom environment
The scanner must operate in the controlled environment of a semiconductor fab. Cleanroom controls cover airborne contamination, temperature, humidity, vibration and the interfaces to wafer handling and adjacent process tools. ASML states that its systems are assembled and tested in cleanrooms, which illustrates the level of environmental control required before a unit reaches a customer site.
Cooling and heat rejection
The fab must provide high-temperature process cooling water and the associated pumping, filtration, heat-exchange and redundancy capacity. The required flow rates and temperatures depend on the scanner model, configuration and site design; ASML’s public material does not establish one universal number. Cooling must be engineered for both the scanner and the supporting equipment that shares the facility’s thermal infrastructure.
Electrical distribution
A megawatt-scale load requires properly engineered medium- and low-voltage distribution, power quality controls, grounding, protection and planned maintenance. The facility must also account for startup, transient and standby conditions rather than sizing only for the headline running load. Backup generation or ride-through design is a fab-level reliability decision, because an interruption can affect wafers, alignment and coordinated process tools.
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Gas, exhaust and safety systems
Gas-facility integration includes the hydrogen system and the fab’s broader process-gas, exhaust and abatement arrangements. Site safety engineering must address gas detection, ventilation, emergency isolation, fire protection, access control and procedures for maintenance. The detailed design is governed by the customer’s site, local rules and the selected configuration.
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What installation and acceptance involve
Buying a scanner does not mean it can be placed on a factory floor and switched on. ASML describes a two-stage acceptance approach that reduces integration risk.
- Define the site interface. The customer and supplier agree on floor loading, vibration limits, cleanroom interfaces, electrical capacity, cooling, gases, exhaust, data connections, material handling and safety responsibilities.
- Prepare the cleanroom and utilities. Construction and commissioning teams install the required distribution, cooling, gas, exhaust and monitoring systems, then qualify them before the scanner arrives.
- Complete factory acceptance testing. ASML assembles and tests the system in a cleanroom and uses factory acceptance testing to replicate customer operating conditions before shipment.
- Install and integrate at the fab. The scanner is positioned, connected to facility services and linked with the fab’s automation, wafer handling and process-control systems.
- Run site acceptance testing. Site acceptance testing is repeated after installation to verify that the machine performs against agreed requirements in the customer’s environment.
- Qualify production processes. Engineers establish recipes, overlay and focus control, defect performance, uptime procedures and the handoff to routine manufacturing. Production qualification is a fab program, not merely an equipment checkout.
Operating one 24/7
ASML reports that customers expect these machines to run 24 hours a day, seven days a week, 365 days a year. That expectation affects staffing, spare parts, preventive maintenance, software release management, facilities monitoring and contingency planning.
People and support
ASML says around 10,000 customer-support employees, including service engineers and applications specialists, support systems worldwide. A fab supplements that supplier network with its own equipment engineers, process engineers, technicians, facilities operators, automation specialists, safety staff and production planners. The exact headcount varies with the number of scanners, shift pattern and degree of centralization.
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- Monitor scanner health, vacuum and gas conditions, cooling, vibration and facility alarms continuously.
- Control recipes, software versions and calibration changes so that process results remain traceable.
- Schedule preventive maintenance without disrupting wafer lots or creating avoidable bottlenecks.
- Keep critical spares and qualified response procedures available for both the scanner and facility utilities.
- Track uptime, availability, wafer throughput, energy intensity and defect or overlay indicators as separate measures.
Lifecycle value and long-term cost
An EUV scanner is a long-lived production asset rather than a short-cycle appliance. ASML reports that approximately 95% of the systems it sold in the last 30 years remain in use. The company also describes refurbishing and upgrading older systems, so a business case should include software, field upgrades, refurbishment options, service coverage and eventual relocation or decommissioning.
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Long life does not mean static performance. New device generations can require updated control software, improved process capability, additional metrology integration or hardware upgrades. Service terms should therefore be evaluated over the intended production horizon, not only during the initial warranty or ramp period.
Why the price is high
EUV scanners combine an exceptionally complex optical, vacuum, plasma, motion-control and computational system with semiconductor-grade reliability. The commercial price reflects years of development, precision components, integration, factory testing, field service and a supply chain that must deliver repeatable performance at production scale. ASML reported €32.7 billion in total net sales, €4.7 billion in research and development and 48 EUV lithography systems sold in 2025, illustrating the scale of the business that develops and supports these tools.
For a customer, the strategic value is tied to usable wafer output and yield, not the equipment invoice by itself. A lower purchase price would not help if the fab cannot supply stable utilities, qualify the process or keep the scanner available when production demand is highest.
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A practical budgeting checklist
- Equipment: obtain a configuration-specific quotation rather than relying on the €180 million–€230 million or above-€350 million public estimates.
- Facility: budget cleanroom construction or modification, floor and vibration work, material handling and automation interfaces.
- Utilities: size electrical distribution, cooling water, hydrogen, exhaust, monitoring, safety and redundancy for the selected model.
- Integration: include installation engineering, factory and site acceptance testing, qualification wafers and ramp time.
- Operations: plan shift coverage, facilities monitoring, applications engineering, maintenance and supplier support.
- Lifecycle: include service contracts, software, spare parts, upgrades, refurbishment and eventual end-of-life handling.
- Business case: model throughput, uptime, yield, energy, consumables and local operating costs instead of using a generic annual percentage.
Bottom line
A low-NA ASML EUV scanner is generally discussed as a €180 million–€230 million purchase, while High-NA systems have been reported above €350 million. The machine cannot operate as a stand-alone purchase: it needs a qualified cleanroom, megawatt-scale power, cooling, hydrogen and other facility systems, rigorous acceptance testing and a 24/7 engineering operation. The credible budget is the complete fab integration and lifecycle plan, with the scanner price as only the starting point.
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