Method: How Setcoin Assesses Space Solar Power
How does this study estimate costs and judge evidence, and how can readers test the conclusions?
Chapter summary
Setcoin builds the cost of electricity from five physical and financial inputs: mass in orbit per kilowatt delivered, launch price, hardware cost per watt, the efficiency chain and the cost of capital.
Key takeaways
- 1
It compares the result with firm power on Earth.
- 2
The model reproduces published estimates when their assumptions are entered, which shows that the wide range of published costs comes from different assumptions, not different arithmetic.
- 3
Evidence about technical progress is graded by whether it comes from hardware tested in orbit, on the ground or on paper.
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