// Risk Intelligence
| Risk Score | 8 / 10 High |
| Facility Type | ⚡ Power Plant / Substation |
| Operator / Branch | Puget Sound Energy / BPA |
| Host County | Pierce County WA |
| Nearest City | Washington DC |
| Primary Risk Radius | 5 miles |
| Secondary Risk Radius | 20 miles |
// Strategic Significance
The transmission substation cluster serving Tacoma and the southern Puget Sound region powers Joint Base Lewis-McChord the largest military installation on the West Coast as well as the Port of Tacoma and hundreds of thousands of residents. A coordinated attack on Tacoma area substations would simultaneously black out JBLM disrupting military readiness and the Port of Tacoma disrupting Pacific supply chains. The December 2022 Moore County NC attack has inspired copycat planning across the US according to FBI threat assessments.
// Civilian Impact Assessment
Pierce County with 930,000 residents and JBLM with 40,000 military personnel. Substation attack would simultaneously black out JBLM and the Port of Tacoma. Moore County 2022 attack has inspired copycat planning. Specialized transformer replacement takes 12-18 months.
// Evacuation & Shelter Guidance
I-5, SR-512, Portland Avenue. Pierce County Emergency Management coordinates with JBLM and PSE on substation attack and grid emergency protocols.