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Registered lobbyist

Mariah Shriner

Sierra Club Maryland Chapter · on file 2024 to 2025
Clients on file
1
1 in Nov 2024 - Oct 2025
Reported compensation
$3,047
all years on file
Bills testified on
39
36 for · 4 against · 0 info
Got their outcome
25%
10 of 40 decided bills

Who they are and whom they represent

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Testimony on record

2025 Regular Session24 appearances
BillPositionAppearing forOutcome
HB 49
Environment - Building Energy Performance Standards - Alterations and Analysis
FAVSierra Club Maryland ChapterEnacted
HB 121
Electric Companies - Regional Transmission Organizations - Report (Utility Transparency and Accountability Act)
FAVPDFSierra Club Maryland ChapterEnacted
HB 128
Climate Change Adaptation and Mitigation - Total Assessed Cost of Greenhouse Gas Emissions - Study and Reports
FAVPDFSierra Club Maryland ChapterVetoed
HB 212
Maryland Building Performance Standards - Fossil Fuel Use and Electric-Ready Standards
FAVPDFSierra Club Maryland ChapterDid not advance
HB 220
Renewable Energy Portfolio Standard - Eligible Sources - Alterations (Reclaim Renewable Energy Act of 2025)
FAVPDFSierra Club Maryland ChapterDid not advance
HB 270
Data Center Impact Analysis and Report
FWAPDFSierra Club Maryland ChapterVetoed
HB 900
Electricity - Data Centers - Rate Schedule and Requirements
FAVPDFSierra Club Maryland ChapterDid not advance
HB 973
Maryland Building Performance Standards - Fossil Fuel Use, Energy Conservation, and Electric- and Solar-Ready Standards (Better Buildings Act of 2025)
FAVPDFSierra Club Maryland ChapterDid not advance
HB 1088
Coal Transportation Fee and Fossil Fuel Mitigation Fund (Coal Dust Cleanup and Asthma Remediation Act)
FAVPDFSierra Club Maryland ChapterDid not advance
HB 1451
Climate Solutions Affordability Act of 2025
UNFPDFSierra Club Maryland ChapterDid not advance
HB 1484
Environmental Permits - Requirements for Public Participation and Impact and Burden Analyses (Cumulative Harms to Environmental Restoration For Improving Shared Health - CHERISH Our Communities Act)
FAVPDFSierra Club Maryland ChapterDid not advance
SB 10
Renewable Energy Portfolio Standard - Eligible Sources - Alterations (Reclaim Renewable Energy Act of 2025)
FAVPDFSierra Club Maryland ChapterDid not advance
SB 37
Electric Companies - Regional Transmission Organizations - Report (Utility Transparency and Accountability Act)
FAVPDFSierra Club Maryland ChapterEnacted
SB 116
Data Center Impact Analysis and Report
FWAPDFSierra Club Maryland ChapterVetoed
SB 116
Data Center Impact Analysis and Report
FWAPDFSierra Club Maryland ChapterVetoed
SB 149
Climate Change Adaptation and Mitigation - Total Assessed Cost of Greenhouse Gas Emissions - Study and Reports
FAVPDFSierra Club Maryland ChapterVetoed
SB 256
Environment - Building Energy Performance Standards - Compliance and Reporting
FAVSierra Club Maryland ChapterDid not advance
SB 316
Abundant Affordable Clean Energy - Procurement and Development (AACE Act)
FAVPDFSierra Club Maryland ChapterDid not advance
SB 716
Public Utilities - Nuclear Energy - Renewable Energy Portfolio Standard and Procurement (Decarbonization Infrastructure Solutions Act of 2025)
UNFPDFSierra Club Maryland ChapterDid not advance
SB 779
Climate Solutions Now Act Affordability Act of 2025
UNFPDFSierra Club Maryland ChapterDid not advance
SB 804
Maryland Building Performance Standards - Fossil Fuel Use, Energy Conservation, and Electric- and Solar-Ready Standards (Better Buildings Act of 2025)
FAVPDFSierra Club Maryland ChapterDid not advance
SB 882
Coal Transportation Fee and Fossil Fuel Mitigation Fund (Coal Dust Cleanup and Asthma Remediation Act)
FAVPDFSierra Club Maryland ChapterDid not advance
SB 947
Maryland Co-Location Energy Innovation and Reliability Act
UNFPDFSierra Club Maryland ChapterDid not advance
SB 978
Environmental Permits - Requirements for Public Participation and Impact and Burden Analyses (Cumulative Harms to Environmental Restoration for Improving Shared Health - CHERISH Our Communities Act)
FAVPDFSierra Club Maryland ChapterDid not advance
2024 Regular Session16 appearances
BillPositionAppearing forOutcome
HB 24
Department of the Environment - Environmental Justice Evaluation of Environmental Permit Applications
FWAPDFSierra Club Maryland ChapterDid not advance
HB 166
Renewable Energy Portfolio Standard - Eligible Sources - Alterations (Reclaim Renewable Energy Act of 2024)
FAVPDFSierra Club Maryland ChapterDid not advance
HB 258
Renewable Energy - Customer-Sited Solar Program
FAVPDFSierra Club Maryland ChapterDid not advance
HB 397
Public Utilities – Thermal Energy Network Systems – Authorization and Establishment (Working for Accessible Renewable Maryland Thermal Heat (WARMTH) Act)
FAVPDFSierra Club Maryland ChapterEnacted
HB 516
Climate Crisis and Environmental Justice Act of 2024
FAVPDFSierra Club Maryland ChapterDid not advance
HB 731
Natural Gas - Strategic Infrastructure Development and Enhancement (Ratepayer Protection Act)
FAVPDFSierra Club Maryland ChapterDid not advance
HB 905
Sales and Use Tax Exemption – Qualified Data Center Personal Property – Eligibility
FAVPDFSierra Club Maryland ChapterDid not advance
HB 1256
Electricity – Tariffs, Distributed Energy Resources, and Electric Distribution System Support Services (Distributed Renewable Integration and Vehicle Electrification (DRIVE) Act)
FAVPDFSierra Club Maryland ChapterEnacted
HB 1272
Department of the Environment - Cap-and-Invest Program - Establishment
FAVPDFSierra Club Maryland ChapterDid not advance
HB 1279
Maryland Building Performance Standards - Fossil Fuel Use, Energy Conservation, and Electric- and Solar-Ready Standards (Better Buildings Act of 2024)
FAVPDFSierra Club Maryland ChapterDid not advance
SB 96
Environment - Impact of Environmental Permits and State Agency Actions
FWAPDFSierra Club Maryland ChapterDid not advance
SB 146
Renewable Energy Portfolio Standard - Eligible Sources - Alterations (Reclaim Renewable Energy Act of 2024)
FAVPDFSierra Club Maryland ChapterDid not advance
SB 416
Renewable Energy - Customer-Sited Solar Program
FAVPDFSierra Club Maryland ChapterDid not advance
SB 570
Public Utilities - Thermal Energy Network Systems - Authorization and Establishment (Working for Accessible Renewable Maryland Thermal Heat (WARMTH) Act)
FAVPDFSierra Club Maryland ChapterEnacted
SB 1023
Maryland Building Performance Standards – Fossil Fuel Use, Energy Conservation, and Electric– and Solar–Ready Standards (Better Buildings Act of 2024)
FAVPDFSierra Club Maryland ChapterDid not advance
SB 1083
Public Utilities - Electric Distribution System Planning - Regulations, Plans, and Fund
FAVPDFSierra Club Maryland ChapterDid not advance