The LOCUST GPU code has been applied to study the fast-ion transport caused by resonant magnetic perturbations in the high-performance Q = 10 ITER baseline scenario. The computational speed of the code is used calculate the impact of the ITER ELM-control-coil system on neutral beam heating efficiency, as well as producing detailed predictions of the resulting plasma-facing component power loads, for a variety of operational parameters – the toroidal mode number n 0 , toroidal spectrum and absolute toroidal phase of the imposed perturbation. The feasibility of actively rotating the perturbations in time to reduce the RMS power loads is assessed. In addition, the implementation of 3D fields in LOCUST is also verified by comparison with the SPIRAL code for an ITER-similar-shaped DIII-D discharge featuring an n = 3 perturbation. Continuous rotation of the perturbation is found to reduce RMS fast-ion power loads. However, careful adjustment of the perturbation phase may make this unnecessary. n = 3 fields are also preferable to n = 4.