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Status of Energy Storage Policy in the U.S.

Status of Energy Storage Policy in the U.S. Autumn Proudlove NC Clean Energy Technology Center NC Storage Study Stakeholder Meeting February 15 , 2018. 2017 Action on Energy Storage By Type of Action. Studies & Investigations. At least 32 States took action on energy storage during 2017.

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Status of Energy Storage Policy in the U.S.

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  1. Status of Energy Storage Policy in the U.S. Autumn Proudlove NC Clean Energy Technology Center NC Storage Study Stakeholder Meeting February 15, 2018

  2. 2017 Action onEnergy Storage By Type of Action Studies & Investigations At least 32 States took action on energy storage during 2017 Policy, Regulation, and Planning Financial Incentives and Rates Deployment 3 or More Types of Action

  3. 2017 Action on Energy Storage Studies and Investigations DC Storage-Specific Study Grid Modernization or Other Study with Storage Component No recent action

  4. Storage Studies & Investigations • Maryland – HB 773 (enacted May 2017) • Regulatory reforms and market incentives to increase use of storage; consult with stakeholders • Nevada – SB 204 (enacted in May 2017) • PUCN to determine if a procurement target is in the public interest • North Carolina – HB 589 (enacted July 2017) • Vermont – Act 53 (enacted May 2017) • Opportunities for, benefits of, & barriers to storage deployment; regulatory options & structures available including cost to ratepayers

  5. 2017 Action on Energy Storage Planning and Market Access 2017 action No recent action

  6. Storage in State/Utility Planning • Integrated Resource Planning (IRP) • Requiring utilities to fully evaluate storage as an alternative to traditional generation resources • Arizona (APS), New Mexico, New Orleans, Washington (also moving toward sub-hourly IRP modeling • Evaluation of Non-Wires Alternatives • Strategic deployment of DERs (frequently storage) to defer, mitigate, or obviate need for certain T&D investments • Maine, New Hampshire, New York, Rhode Island

  7. Storage in Planning & Market Access • Distribution System Planning • Not specific to storage, but helps identify most beneficial locations for storage on the grid • Hosting capacity analyses • Connecticut, Michigan, Nevada, New York, Rhode Island • Wholesale Market Rules • Market access and compensation rules for storage • CAISO, ISO-NE, MISO, NYISO, PJM

  8. 2017 Action on Energy Storage Policies DC 2017 action No recent action

  9. Storage Policies • Procurement Targets • Massachusetts, New York • California, Oregon previously established targets • Under consideration in Arizona, Nevada, and others • Interconnection Rules – updating rules to include clear standards for energy storage • Arizona (state’s first interconnection rules), Colorado, Florida (TECO), Maryland, Minnesota, Nevada, North Carolina • Customer-Sited Storage Compensation – net metering eligibility, role of storage in successor tariffs • California, Colorado, Hawaii, Massachusetts, New York, Rhode Island

  10. Rate Design for Storage • Rate structures drive adoption of behind-the-meter storage • Time-of-use rates, demand charges • Arizona utilities examined dedicated tariffs for customers with battery storage

  11. 2017 Action on Energy Storage Incentives 2017 action No recent action

  12. Energy Storage Incentives • Maryland – SB 758 (enacted May 2017) created the first state tax credit for energy storage in the country • California – Self Generation Incentive Program – April 2017 decision increased program funding, set aside 85% for energy storage • Nevada – SB 145 (enacted in May 2017) creates a new energy storage incentive program – currently being implemented in a PUCN proceeding

  13. Energy Storage Incentives • More action on incentives for solar + storage, or adding storage as an eligible technology to existing incentives • Massachusetts – SMART program storage adder • Florida – Property Tax Abatement • New York – Property Tax Abatement • Oregon – PACE Financing

  14. 2017 State & Utility Storage Deployment Proposals 2017 action No recent action

  15. State & Utility Storage Deployment • Many proposals are for pilot projects • Eversource (Connecticut), Duke Energy (Florida) • Some are non-wires alternative projects • AEP (Texas), Consumers Energy (Michigan) • Others are part of microgrids • Emera (Maine), Rocky Mountain Power (Utah), Duke Energy (Indiana), ComEd (Illinois), Green Mountain Power (Vermont) • Fewer are behind-the-meter storage deployment • Liberty Utilities (New Hampshire), Green Mountain Power (Vermont)

  16. Takeaways • Already a lot of policy and regulatory activity around storage occurring across the country • Activity is highly varied, taking place across a number of different topic areas • Key areas of activity include information gathering and identification of policy barriers (studies, pilots), incorporating storage into planning, and examining how these resources are compensated • Significant policy activity around storage expected in 2018

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