CO2EFFICIENT LLC

• CARBON 180 $269,000 7 filings
• NATIONAL ASSOCIATION OF STATE ENERGY OFFICIALS $246,000 8 filings
• ELECTRICITY CUSTOMER NETWORK (FORMERLY REPORTED AS ELECTRICITY CUSTOMER ALLIANCE $210,000 7 filings
• AI SUPPLY CHAIN ALLIANCE (INFORMAL COALITION) $150,000 6 filings
• NATURAL GAS INNOVATION NETWORK (FORMERLY KNOWN DIFFERENTIATED GAS COORD. CNCL) $120,000 7 filings
• REPUBLIC SERVICES $105,000 4 filings
• RENEWABLE NORTHWEST $30,000 1 filing
• DIGITAL CLIMATE ALLIANCE $0 2 filings
• INTERNATIONAL EMISSIONS TRADING ASSOCIATION USA $0 7 filings
• LIQUID COOLING COALITION $0 3 filings

• BRANDON MOONEY 36 filings · through 2026 Deputy Chief Counsel with the House Energy and Commerce Committee
• THOMAS LAWLER 31 filings · through 2026 Legislative Assistant to Senator Tom Carper
• THOMAS HASSENBOEHLER 29 filings · through 2026 Chief Counsel/Counsel for Energy and Environment, US House Energy and Commerce Committee; Counsel Senate Environment and Public Works; LA Congressman Tauzin
• JACQULINE HORSELY 8 filings · through 2026 Senior Advisor, Department of Energy Legislative Assistant, Congressman Latta
• DAVID BURNS 6 filings · through 2025 Professional Staff, Committee on Energy and Commerce

A lobbyist who previously held a covered government position must disclose it. We flag the ones whose name resolves to a member of Congress and link the ones still in our roster. The revolving door collects them across every firm.

• 2026 $566,000 22 filings
• 2025 $564,000 30 filings

• Energy/Nuclear 22
• Environment/Superfund 11
• Agriculture 7
• Clean Air and Water (quality) 7
• Science/Technology 5
• Trade (domestic/foreign) 3
• Computer Industry 2

The count is how many filings named that issue area. A filing reports one lump figure covering every issue on it, so the money above cannot be split between them.

• HOUSE OF REPRESENTATIVES 38
• SENATE 38
• Energy, Dept of 16
• Environmental Protection Agency (EPA) 5
• White House Office 4
• Commerce, Dept of (DOC) 3
• Office of Management & Budget (OMB) 3