ME450 PEM Electrolyzer

Name: ME450 PEM Electrolyzer
Brand: Quest One

Industrial hydrogen production, simplified: The ME450 delivers 450 kg of green hydrogen per day at 1 MW. That is enough to fuel 90 cars. From mobility corridors and logistics fleets to industrial processes and energy storage, it's a fully integrated solution built for the hydrogen economy.

KPI

ME450 Key Facts

1 MW

Electric power

Configured for 1 MW class applications and stable industrial operation.

450 kg/d

Nominal green hydrogen production

Nominal output for continuous hydrogen supply in daily operations.

210 Nm³/h

Nominal green hydrogen production

Nominal hourly production rate for steady, predictable H₂ flow.

Specs Overview

ME450 Parameters

H₂ production nominal

4,600 kg/d | 210 Nm³/h

System specific energy consumption^1,2

4.7 kWh/Nm³ H₂| 52,5 kWh/kg

System efficiency^1,2

76 %

Performance class

1 MW

H₂ production modulation range

42 – 210 Nm³/h | 10 – 100 % H₂

H₂ purity

5.0 (meets ISO 14687:2025 Table 3)

H₂ operating pressure

30 bar (g)

Load change

30 s (standby to nominal load)

Heat recovery (optional)

Heat output: 170 kW BoL | 350 kW EoL
<= 57 °C Transfer to customer system | >90% system efficiency

H₂O required quality

EU Directive 2020/2184-EU | See also additional applicable specifications from QUEST ONE GmbH

H₂O consumption nominal

260 kg / h (at 10° dH)

Power supply electrolysis³

3 x 480 V Y, 3 x 480 V ▲ / 50 Hz
(acc. IEC 60038), Connecting power: 1.35 MVA

Power supply peripherie

3 x 400 V / 50 Hz (acc. IEC 60038),
Connecting value: 150 kW

Dimensions L x W x H

40‘ Container, incl. attachments
ca. 13.2 x 4.0 x 5.7 m

Weight

ca. 36 t (operational)

Ambient temperature⁴

-20 °C bis +40 °C

Technical changes reserved
¹ Standard conditions: BoL, 15 °C outdoor temperature
² 200 Nm3/h, based on Higher Heating Value (HHV)
³Transformer is required for galvanic isolation
⁴ Optionally expandable down to -30 °C with the cold package

ME450 Spec Sheet

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Green Hydrogen for Industry

At Gruyère Hydrogen Power, renewable electricity becomes green hydrogen for real industrial use. In the canton of Fribourg, two Quest One ME450 PEM electrolyzers help produce up to 900 kg of green hydrogen per day – reliably, efficiently, and close to where it is needed.

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Frequently Asked Questions

What is the hydrogen production capacity of the ME450?

The ME450 is Quest One's PEM electrolyzer that produces 450 kg per day at nominal load. Please refer to the ME450 product datasheet for full capacity and performance specifications.

What is the electrical power input requirement for the ME450?

The ME450 operates at a specific power input rating of 1 MW see the technical datasheet for input voltage, current, and power consumption specifications.

What hydrogen purity does the ME450 deliver at the system outlet?

The ME450 delivers hydrogen at >99.999% purity (dry basis), suitable for fuel cell applications, industrial use, and injection into gas networks.

How is the ME450 controlled and monitored during operation?

The ME450 is equipped with an integrated PLC-based control system and remote monitoring capability, enabling both local and remote operation.

What safety standards and certifications does the ME450 comply with?

The ME450 is designed and certified in compliance with relevant EU machinery, pressure equipment, and ATEX directives, get in touch with our experts for the full certification documentation.

What is the footprint of the ME450 and does it require a dedicated enclosure?

The ME450 is designed as a compact 40 ft container outdoor unit please consult with our experts on installation guide for space requirements and environmental protection ratings.

Can the ME450 be integrated with renewable energy sources like solar or wind?

Yes. The ME450's handles dynamic load operation well, making it fully compatible with variable renewable energy input.

Comprehensive services

Lifecycle services for green hydrogen projects

From early project development to long-term plant operation, we support you with the services you need to move forward with confidence. Quest One combines planning support, technical expertise, and lifecycle services to help you reduce risk, improve reliability, and build a setup that fits your project.

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