    <SEC-DOCUMENT>0001104659-26-041143-index.html : 20260409
    <SEC-HEADER>0001104659-26-041143.hdr.sgml : 20260409
    <ACCEPTANCE-DATETIME>20260409060947
    ACCESSION NUMBER:		0001104659-26-041143
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20251231
    FILED AS OF DATE:		20260409
    DATE AS OF CHANGE:		20260409
    EFFECTIVENESS DATE:		20260409

    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:		26849738

    	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>tm264075d2_ars.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: tm264075d2_ars.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>