CNO - COM2023-11-24 SIEL DECLARATION Primary Frequency Regulation 'EL PASO' de 2024

SIEL S.p.A . SEDE E STABILIMENTO

20060 Trezzano Rosa (MI) Via I° Maggio 25 Telefono 02/90986.1 Fax 02/90968490 e-mail info@sielups.com Internet http://www.sielups.com Cap.Soc. €1.500.000,00 int.vers. C.C.I.A.A. Milano N°1144209

C.F./P.IVA IT 07163510154

Reg.Trib.Milano N°228486, Vol. 6171,Fasc.36

Sede legale: Viale B ianca Maria,23 - 20122 Milano e-mail PEC sielspa@pec.sielups.com e-mail assistenza service@sielups.com e-mail commerciale sales@sielups.com

UNI EN ISO 9001

UNI EN ISO 14001

UNI ISO 45001

MD059 REV19

Trezzano Rosa, Friday, November 24, 2023:

To whom may be interested:

DECLARATION about the primary frequency regulation of the inverters installed in PV plant ‘EL PASO’

SIEL hereby declares that all the inverters install ed in PV Plant ‘El Paso’, located in ‘EL PASO’ Municipality – Department of Cesar – COLOMBIA, belong to the family of inverter model:

SOLEIL DSPX TLH 1415M (part number

UHE14152AAAAAAXXXX00)

As such, share the same architecture, the same prin ciple of operation, the same HW and the same control FW (version MC0190.00 REV XX, XX>08), they are fully compliant with the Colombian grid code CREG060 and implement the primary frequency re gulation with the possibility to modify its parameters as showed in the table below:

Parameters Range Current Settings Minimum Maximum

control FW (version MC0190.00 REV XX, XX>08), they are fully compliant with the Colombian grid code CREG060 and implement the primary frequency re gulation with the possibility to modify its parameters as showed in the table below:

Parameters Range Current Settings Minimum Maximum Primary Frecuency Statism [%] 1% 7% 4% Primary Frecuency regulation Deadband, [mHz] 0 mHz 150 mHz 30 mHz

Faithfully, Pietro BAGGI, Ph.D. (Technical Director)