TY - JOUR T1 - Standalone and hybridised flywheels for frequency response services: a techno-economic feasibility study JO - Energies UR - https://eprints.whiterose.ac.uk/id/eprint/215577 PY - 2024/05/26 AU - Hutchinson AJ AU - Gladwin DT ED - DO - DOI: 10.3390/en17112577 PB - MDPI AG VL - 17 IS - 11 Y2 - 2025/11/14 ER -