What is the critical bottleneck that heavily weights the initial cost of establishing a lunar base ISRU capacity?

Answer

The upfront power required to start manufacturing necessities like oxygen extraction

The initial establishment phase is dominated by the immense energy infrastructure needed just to begin In-Situ Resource Utilization (ISRU) processes, such as extracting oxygen from the soil, which demands substantial local power generation before cost-saving construction can commence.

What is the critical bottleneck that heavily weights the initial cost of establishing a lunar base ISRU capacity?

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