Intel may not have revealed how much the Core i9-12900KS costs, but a retailer has. Additionally, the retailer describes the Core i9-12900KS as having a 150 W base power, 25 W more than the similarly-equipped Core i9-12900K.
https://www.notebookcheck.net/Intel-Core-i9-12900KS-Retailer-reveals-150-W-base-power-and-high-pricing-for-upcoming-flagship-Alder-Lake-processor.599790.0.html