0001868941 2024-12-12 2024-12-12 iso4217:USD shares iso4217:USD shares false 0001868941 8-K 2024-12-12 FLUENCE ENERGY, INC. DE 001-40978 87-1304612 4601 Fairfax Drive Suite 600 Arlington VA 22203 833 358-3623 false false false false Class A Common Stock $0.00001 par value per share FLNC NASDAQ false