Never used, never installed NEL atmospheric alkaline electrolyzers with maximum hydrogen production capacity of approximately 30,000 Nm3/hr. Product hydrogen has purity of greater than 99%. Production turndown ratio 15%. Electrical consumption at 100% production load: 4.5 kWh/Nm3. This bi-polar alkaline electrolyzer stack and electrolyte system module has operating pressure at 0.435 psig. DCS control system is included. Also available is a never-used hydrogen liquefaction plant.