HYDROSTOR USA HOLDINGS INC.

Lobbying Spend

—

Filings

Firms Hired

Active Period

2025–2026

Lobbying Spend by Year

Client-reported lobbying expenses on LDA filings

Year	Lobbying Spend	Filings	Firms
2026	—	3	1
2025	—	5	1

Lobbying firms retained by this client; amounts are client-reported expenses when available

Firm Name	Reported Spend	Filings
TROUTMAN STATEGIES	—	8

Government entities explicitly identified as targets in LDA filings

Government Body	Filings
Energy, Dept of	7
Environmental Protection Agency (EPA)	7
HOUSE OF REPRESENTATIVES	7
SENATE	7

Most frequently reported lobbying issues

Issue Code	Description	Reports
Energy/Nuclear	Energy/Nuclear	8
Taxation/Internal Revenue Code	Taxation/Internal Revenue Code	2

Bill numbers found in source-reported LDA specific issue text; broad topic matches are excluded

H.R. 1119th Congress

An act to provide for reconciliation pursuant to title II of H. Con. Res. 14.

2025 · third_quarter · Firm: TROUTMAN STATEGIES

Cited source text and reported amounts

H.R. 1 - One Big Beautiful Bill Act, tax reforms related to 48E and energy storage.

Client expense: — · Firm income: $50,000

Matched citations: H.R. 1

H.R. 1119th Congress

An act to provide for reconciliation pursuant to title II of H. Con. Res. 14.

2025 · second_quarter · Firm: TROUTMAN STATEGIES

Cited source text and reported amounts

H.R. 1 - One Big Beautiful Bill Act, tax reforms related to 48E and energy storage.

Client expense: — · Firm income: $40,000

Matched citations: H.R. 1

HYDROSTOR USA HOLDINGS INC. — Lobbying Disclosure | Poliscope