Advanced Battery Storage

Advanced Battery Storage

October 23-24, 2019 | Denver, CO

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Overview

This course will provide an in-depth overview of the various types of long duration batteries. In addition, it will address things to consider such as battery characteristics, projected life, performance and safety. It will look at battery storage applications, how to build a business case, utility scale implementations and system resiliency. The program will address storage design, implementations, operational risks and the future of battery storage.

Agenda

WEDNESDAY, OCTOBER 23, 2019


Storage

  • Process, non-battery energy storage, batteries

Long Duration Batteries

  • Battery chemistry
  • Diversity of chemistry – 200 + and counting (periodic table illustration)
    • How it works
    • Potential failure mechanisms
  • Lithium-ion BESS
    • How they work
    • Family of chemistries – all with different characteristics
    • Energy density (Wh/cubic foot)
  • Flow batteries
    • Most “market ready” vendors
    • Iron and salt
    • Redux
    • Organic and others
  • Other choices in batteries
    • Advanced lead-based batteries
    • Sodium, fluorine, etc.
  • Things to know and thinkabout
    • Characteristics to think about
    • Projected life
    • Performance
  • Safety
    • NEC 700-705 and 855
    • IEEE 1547 and UL 1741
  • Major components in a BESS
    • A visual walk thru a typical BESS
      • Physical batteries (e.g. Li-ion)
      • Flow battery
    • Batteries
    • Environmental systems (HVAC, etc.)
    • Inverters
    • Controllers
    • Housings
    • Battery management system
    • Storage management system/Energy management systems
    • Market participation systems
    • Forecasting and analytics
    • Secondary containment
    • Substation
    • Fire suppression
    • Augmentation plan
    • Replacement plan

Battery Storage Usecases

  • Wholesale energy market
  • Distribution energy market
  • Utility operation
  • Renewable locations (e.g. Solar+Storage)
  • Residential
  • EV charging
  • Critical facilities
  •  Other

Building a Business Case

  • Typical benefit categories
  • Regional differences
    • PJM
    • ERCOT
    • CAISO
    • Other regions
  • Costs
    • Initial capital costs
    • Soft costs of initial placement (e.g. design, permits, etc.)
    • Interconnection
    • Operations
    • Augmentation and replacement
    • Other costs
 

THURSDAY, OCTOBER 24, 2019


  • Utility scale implementation
    • Lessons learned
      • Dealing with startups
      • Hidden factors
      • Fire protection
      • Public perception
      • Construction issues
    • Addressing local constraints and systems
    • How to avoid impacting end users
  • System resiliency
  • AC/DC coupled systems
    • Difference in efficiency
      • Lower losses
      • DC coupled to generation
      • DC coupled to DC loads
      • Issues with arc flash
    • Components involved
    • What they do
  • Design considerations
    • Li-Ion and other “square” batteries
    • Flow batteries
  • Implementation
    • Typical work plan at a high level
    • Typical timelines
  • Operational risks
  • Conducting inspections and maintenance
  • Assisting with refurbishing and/or decommissioning
    • Environmental considerations
    • Recycling
  • Integrators
  • The future of battery storage
    • What’s next
    • Ideal energy user profiles
 

FRIDAY, OCTOBER 25, 2019: SAFETY IN BATTERY STORAGE


  • Quick Review of Battery Types

    1. Lead-Acid
    2. Lithium-Ion
    3. Other Non-flow chemistries that are commercial
    4. Redox Flow batteries
    5. Organic Flow batteries
    6. Plating Flow batteries

    Battery Safety Hazards

    1. Leakage and spills
    2. Stray voltage
    3. Off-gassing
    4. Thermal run away
    5. Toxic fumes
    6. Hazardous waste
    7. Power quality
    8. Other

    Battery Type vs. Hazard

    1. Which battery types have which hazards
    2. Variations in a chemical family (e.g. Li-Ion)

    Standards That Apply to Safety

    1. NFPA 855
    2. NFPA (NEC) 70
    3. IEEE 1625
    4. IEEE 1725
    5. ISO/IEC 17025
    6. UN/DOT 38.3
    7. Other safety standards

    Testing Standards and Certifications

    1. UL 1642 Lithium Cell
    2. UL 2054 Safety Requirements for Household and Commercial Batteries
    3. UL 2580
    4. UL 1989 Standby Batteries
    5. UL/CSA/IEC 60950 (may be evaluated in conjunction with UL 2054)

    Designing for Safety

    1. Which standards apply to your project
    2. Which chemistry best fits your use case(s)
    3. Optimizing non-flow batteries deployment
      1. Siting considerations
      2. Containment measures
    4. Civil and electrical infrastructure limits/issues/concerns
    5. Housing and other occupied structures around your site
    6. What comes “out of the box” from the battery manufacturer
    7. ALL hazards associated with specific chemistry chosen

    General Installation Measures

    1. Fire suppression system
    2. The right firewalls/construction type
    3. Enough room to get emergency vehicles into the site
    4. Sources of water for emergency use
    5. Secondary containment
    6. Proper grounding
    7. Arc flash prevention/safe distances
    8. Automated protection system(s) — electrical fire, off-gassing -etc.
    9. Proper sensors for any hazard

    Operating Safety

    1. Use case and the battery limits
    2. Maintenance
    3. Limits to operation

    Decommissioning & Removal

    1. Batteries life and variations
    2. Design that incorporates decommissioning
 


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