Significant Accounting Policies (Details) - Schedule of Consolidated Financial Statements of Company Entities	9 Months Ended
	Dec. 31, 2023
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary of PGTIL
Pacific Green Innoergy Technologies Ltd. (“Innoergy”) (Formerly Innoergy Ltd.) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary
Pacific Green Marine Technologies Group Inc. (“PGMG”) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary
Pacific Green Marine Technologies Inc. (“PGMT US”) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary of PGMG
Pacific Green Technologies (UK) Ltd. (Formerly Pacific Green Marine Technologies Ltd.) (“PGTU”) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary of PGMG
Pacific Green Technologies (Canada) Inc. (“PGT Can”) (Formerly Pacific Green Marine Technologies Inc.) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary of PGMG
Pacific Green Technologies (Middle East) Holdings Ltd. (“PGTME”) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary
Pacific Green Technologies Arabia LLC (“PGTAL”) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	70% owned subsidiary of PGTME
Pacific Green Marine Technologies (USA) Inc. (inactive) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Dissolved, December 21, 2022
Pacific Green Solar Technologies Inc. (“PGST”) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary
Pacific Green Corporate Development Inc. (“PGCD”) (Formerly Pacific Green Hydrogen Technologies Inc.) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Dissolved, December 21, 2022
Pacific Green Wind Technologies Inc (“PGWT”) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Dissolved, December 21, 2022
Pacific Green Technologies International Ltd. (“PGTIL”) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary
Pacific Green Technologies Engineering Services Limited (Formerly Pacific Green Technologies China Ltd. (“PGTESL”) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary of PGTA
Pacific Green Technologies (Shanghai) Co. Ltd. (“Engin”) (Formerly Shanghai Engin Digital Technology Co. Ltd) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary
Guangdong Northeast Power Engineering Design Co. Ltd. (“GNPE”) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary of ENGIN
Pacific Green Energy Parks Inc. (“PGEP”) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary
Pacific Green Energy Storage Technologies Inc. (“PGEST”) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary of PGEP
Pacific Green Technologies (Australia) Pty Ltd. (“PGTAPL”) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary of PGEP
Pacific Green Energy Storage (UK) Ltd. (“PGESU”) (Formerly Pacific Green Marine Technologies Trading Ltd.) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary of PGEP
Pacific Green Energy Parks (UK) Ltd. (“PGEPU”) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary of PGEP
Pacific Green Portland West Pty Ltd. (“PGPW”) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary of PGBEP
Pacific Green Portland East Pty Ltd. (“PGPE”) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary of PGTAPL
Pacific Green Energy Park Portland Pty Ltd. (“PGEPP”) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary of PGTAPL
Pacific Green Energy Parks Australia Pty Ltd. (“PGEPA”) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary of PGTAPL
Pacific Green Energy Park Limestone Coast North Pty Ltd. (“PGEPLCN”) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary of PGTAPL
Pacific Green Energy Park Limestone Coast West Pty Ltd. (“PGEPLCW”) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary of PGTAPL
Pacific Green Limestone Coast Pty Ltd. (“PGLC”) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary of PGTAPL
Pacific Green Energy Parks (Italia) srl (“PGEPI”) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary of PGEPU
Sphera Australe [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	51% owned subsidiary of PGEPI
Sphera Levante [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	51% owned subsidiary of PGEPI
Sphera Ponente [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	51% owned subsidiary of PGEPI
Sphera Boreale [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	51% owned subsidiary of PGEPI
Pacific Green Future Energy Inc (“PGFE”) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary
Pacific Green Portland North Pty Ltd (“PGPNP”) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary of PGEPA
Pacific Green Portland Northeast Pty Ltd (“PGPNEP”) [Member]
Schedule of Consolidated Financial Statements of Company Entities [Line Items]
Company Entities	Wholly-owned subsidiary of PGEPA