(19)
(11) EP 4 817 111 A1

(12)

(43) Date of publication:
07.10.2026 Bulletin 2026/41

(21) Application number: 24828097.6

(22) Date of filing: 11.12.2024
(51) International Patent Classification (IPC): 
H01M 10/44(2006.01)
H02J 7/00(2026.01)
 H02J 3/32(2026.01)
H02J 3/24(2006.01)
(52) Cooperative Patent Classification (CPC):
H02J 3/32; H01M 10/441; H02J 3/381; H02J 7/50; H02J 7/933; H02J 13/12; H02J 2103/30
(86) International application number:
PCT/FI2024/050671
(87) International publication number:
WO 2025/163240 (07.08.2025 Gazette 2025/32)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 29.01.2024 FI 20245077

(71) Applicant: Elisa Oyj
00520 Helsinki (FI)

(72) Inventors:
  • HEINONEN, Esko
    00520 Helsinki (FI)
  • SALMENKAITA, Jukka-Pekka
    00520 Helsinki (FI)
  • HOLMBACKA, Simon
    00520 Helsinki (FI)

(74) Representative: Espatent Oy 
Kaisaniemenkatu 4
00100 Helsinki
00100 Helsinki (FI)

   


(54) CONTROLLING A VIRTUAL POWER PLANT TO PROVIDE SYMMETRIC POWER RESERVE