Massachusetts general laws
- M.G.L. Chapter 164 § 138: Definitions
- M.G.L. Chapter 164 § 139: Class I, II or III net metering facilities; election of net metering; tariffs; limitation on aggregate capacity; rules and regulations
- M.G.L. Chapter 164 § 139A: Small hydroelectric power net metering facilities program
- M.G.L. Chapter 164 § 140: Neighborhood net metering facility; election of net metering; rules and regulations
- M.G.L. Chapter 30B, § 1(b)(33): Uniform Procurement Act
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Municipalities submitting energy contracts pursuant to this chapter shall mail them to the Department Secretary, Massachusetts Department of Public Utilities, One South Station, 5th Floor, Boston, MA 02110.
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Legislative session laws
- Chapter 179 of the Acts of 2022, An Act Driving Clean Energy and Offshore Wind, Sections 54-55
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Increased the maximum nameplate capacity for Class I cap exempt facilities from 10 kilowatts to 25 kilowatts
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Created a new type of cap exempt net metering facility by allowing Class I net metering facilities greater than 25 kilowatts that generate renewable energy and serve on-site load to participate in the net metering program without the need to obtain a cap allocation
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Created 5 exceptions to the Single Parcel Rule (D.P.U. 11-11-C (2012))
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- Chapter 8 of the Acts of 2021, An Act Creating a Next-Generation Roadmap for Massachusetts Climate Policy, Sections 82-85
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Allowed certain Class I net metering facilities to apply for a cap allocation in the public cap with the System of Assurance
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Created a new type of cap exempt net metering facility by allowing certain Class II and Class III net metering facilities that generate renewable energy and serve on-site load to participate in the net metering program without the need to obtain a cap allocation from the System of Assurance
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Expanded the ability for customers to transfer solar net metering credits across distribution company service territories and load zones
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- Chapter 227 of the Acts of 2018, An Act to Advance Clean Energy, Sections 15-17, 24
- Changed the monthly minimum reliability contribution (MMRC) requirements
- Chapter 188 of the Acts of 2016, An Act to Promote Energy Diversity, Section 10
- Increased eligibility to net meter to small hydroelectric power facilities
- Chapter 75 of the Acts of 2016, An Act Relative to Solar Energy
- Increased the net metering caps to 7% for private and 8% for public
- Created the market net metering credit
- Created the ability for the electric companies to file a MMRC proposal
- Chapter 251 of the Acts of 2014, An Act Relative to Credit for Thermal Energy Generated with Renewable Fuels
- Increased the net metering caps to 4% for private and 5% for public
- Chapter 209 of the Acts of 2012, An Act Relative to Competitively Priced Electricity, Sections 23-30
- Increased the net metering caps to 3% for private and 3% for public
- Increased eligibility to net meter to anaerobic digestion facilities
- Created cap exempt net metering facilities
- Chapter 359 of the Acts of 2010, An Act Making Appropriations for the Fiscal Years 2010 and 2011, Sections 25-30
- Increased the net metering caps to 1% for private and 2% for public
- Increased the maximum size of a net metering facility in the public cap to 10 megawatts
- Required the DPU to establish a System of Assurance
- Chapter 169 of the Acts of 2008, An Act Relative to Green Communities, Section 78
- Imposed a 1% electric company historic peak load cap
- Increased the net metering credit values
- Increased the project size for certain technologies
Department of Public Utilities regulations
- 220 CMR 18.00
- Net metering regulations effective March 1, 2024
- 220 CMR 8.00 et seq.
- Qualifying facility regulations
Net metering pre-green communities act of 2008
- D.P.U./D.T.E. 96-100, at 22-23 (1997)
- With the restructuring of the electric industry in Massachusetts, eligibility for net metering was increased from 30 kW to 60 kW.
- D.P.U. 535, at 11-12 (July 23, 1981)