NEW BUILD | REPURPOSING POWER SITES
Above: Decommissioned nuclear power plant sites such as Dresden 1 could also be repurposed for new build Source: Constellation Energy
the COL process and are not included in this analysis.
The remaining 12 COL applications were reviewed for their contribution to the siting analysis. Likewise, the report notes, 13 of the 54 operating NPP sites had initial plans to complete more reactors on their sites than were eventually built. These 1970-era building plans were also reviewed for their contribution to the siting analysis. In addition to Vogtle 3 and 4, the NRC issued five COLs
to build 8 reactors (10 GWe) on currently operating nuclear power plant sites. The seven remaining COL applications to build nine reactors (14 GWe) at currently operating nuclear power plant sites have been suspended or withdrawn by the applicants. The issued COLs and COL applications indicate that the respective operating sites have been evaluated and, at the time of the application, have the potential to host additional large LWR units. Some of the 54 nuclear power plant sites had initial plans for more LWR units than ultimately were built. In this
case, 49 units (41 GWe) were planned at 13 sites. Of those 49 planned units, 29 (19 GWe) were constructed and are operational. The remaining 20 units (22 GWe) were cancelled between 1977 and 1990, largely because of escalating cost. At the time of their cancellation, utility environmental, transmission, and water planning were adequate to support these units. Therefore, it is assumed that these 13 sites could still support additional units and in this analysis these planned units were assigned with the same capacity as their sister units.
Retired and planned reactor sites DOE data also identifies 11 reactor sites with 14 units across 11 states in a shutdown condition but which are not fully decommissioned. The analyses indicate that there are four sites with the potential to host an additional large reactor (4.5 GWe) and seven sites with the potential to host smaller 600 MWe generic reactor technologies (4.2 GWe).
Above: Phasing out coal-fired generation presents an opportunity for new nuclear capacity development Source: Environment America
42 | February 2025 |
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