    <SEC-DOCUMENT>0001104659-25-033513-index.html : 20250410
    <SEC-HEADER>0001104659-25-033513.hdr.sgml : 20250410
    <ACCEPTANCE-DATETIME>20250410060907
    ACCESSION NUMBER:		0001104659-25-033513
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20241231
    FILED AS OF DATE:		20250410
    DATE AS OF CHANGE:		20250410
    EFFECTIVENESS DATE:		20250410

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Solid Power, Inc.
    		CENTRAL INDEX KEY:			0001844862
    		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690]
    		ORGANIZATION NAME:           	04 Manufacturing
    		EIN:				861888095
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-40284
    		FILM NUMBER:		25826394

    	BUSINESS ADDRESS:
    		STREET 1:		486 S. PIERCE AVE., SUITE E
    		CITY:			LOUISVILLE
    		STATE:			CO
    		ZIP:			80027
    		BUSINESS PHONE:		(303) 219-0720

    	MAIL ADDRESS:
    		STREET 1:		486 S. PIERCE AVE., SUITE E
    		CITY:			LOUISVILLE
    		STATE:			CO
    		ZIP:			80027

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Decarbonization Plus Acquisition Corp III
    		DATE OF NAME CHANGE:	20210208
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>ARS
    <SEQUENCE>1
    <FILENAME>tm255811d2_ars.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: tm255811d2_ars.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>