Typically, SMRs come in sizes of of 300 MW or less. To get 2 GW of power from SMRs in boreholes would require at least seven 300 MW SMRs. Light water type SMRs may not be good candidates for a deep ...
Even once researchers can reliably get more power out of a fusion reaction than they put in, they'll still need to overcome engineering challenges to scale up fusion energy.
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