New Technologies Request Application 

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Energy Storage Solutions is overseen by the Public Utilities Regulatory Authority (PURA), is paid for by ratepayers, and is administered by the Connecticut Green Bank, Eversource, and United Illuminating (Program Administrators).
ALL SUBMITTED INFORMATION IS PUBLIC RECORD DO NOT SUBMIT ANY PROPRIETARY OR CONFIDENTIAL INFORMATION 

Section 1 - Introduction

Thank you for your interest in Connecticut Energy Storage Solutions (Program). The New Technology Application (NTA) is for the qualification of complete Battery Energy Storage Systems (BESS) in the Program. The resulting approval to the Eligible Equipment List will be for a battery and inverter combination that holds all necessary UL certifications and has a means of communicating with the Distributed Energy Resource Management System (DERMS) associated with the BESS’s target customer sector. A complete Glossary of Terms is provided at the end of this document. 
Additionally, this application may also be used for BESS Aggregators who wish to become Eligible to integrate with the DERMS to enroll existing Eligible Equipment in the Active Dispatch portion of Energy Storage Solutions for qualified customers. See the current Program Manual for more information, available at energystorageCT.com/contractor-resources
NTAs submitted for a battery only (with no inverter listed or integrated) or for an inverter only (with no battery listed) will be rejected. The intent of this document is to qualify complete BESS for use in Energy Storage Solutions. Applications are to be submitted on a per-UL 9540 listing basis. If a BESS holds multiple UL 9540 listings for multiple configurations, you must submit an additional application per UL listing. 
Before completing this Application, first confirm if the BESS is already eligible by visiting energystoragect.com/submitted_ess_system_status_list/. If the equipment is not on the Eligible Equipment List or requires revision, follow these steps: 
  1. Complete this Application
    • Approval will be based on your responses. Make certain to answer ALL required and applicable questions. 
  2. Obtain and attach all UL certifications from Nationally Recognized Testing Laboratories (NRTL) where applicable. The following UL listings are required for Eligible Equipment status: 
    • UL 1973
    • UL 1741 SA (with reference to IEEE 1547-2018 2nd ed.)
    • UL 9540 

      Obtain and attach all product data specification sheets, where applicable.  
  3. Submit the Application and supporting documents at this application link
ALL BESS OPERATORS AND BESS AGGREGATORS MUST BE ABLE TO COMMUNICATE WITH THE APPLICABLE DISTRIBUTED ENERGY RESOURCE MANAGEMENT SYSTEM (DERMS) PLATFORM TO RECEIVE FINAL APPROVAL.  

Glossary of Terms 

TERM DEFINITION
Active Dispatch Events where a BESS dispatches energy to reduce demand during summer and winter peak periods as determined by the EDCs based on anticipated grid demand. Active Dispatch events are typically scheduled day-ahead.
Aggregator Entity responsible for the coordination of the BESS with a BESS Operator to participate in dispatch events within the Program 
API Application Programming Interface, which is a software intermediary that allows two applications to talk to each other 
Eligible Equipment List The Eligible Equipment List includes equipment that has been submitted to be included in the Energy Storage Solutions program. Final approval requires the equipment to be fully of integrated with the respective DERMS platform (residential and/or commercial) 
BESS Battery Energy Storage System: electrical, electrochemical, mechanical and other types of energy storage technologies for systems intended to supply electrical energy. Includes battery and inverter for the purposes of this Program. 
BESS Aggregator Entity responsible for the coordination of BESS participating in dispatch events within the Program, working as an intermediary between the DERMS and the BESS Operator. 
BESS Operator Entity responsible for the coordination of the BESS participating in dispatch events within the Program  
DERMS The “Distributed Resource Energy Management System” is the platform utilized by the Electric Distribution Companies to notify the Battery Operators of scheduled events requiring Battery Energy Storage System actions.  
EDCs Electric Distribution Companies (Eversource Energy and The United Illuminating)
OpenADR Open Automated Demand Response, provides a non-proprietary, open standardized demand response interface that allows electricity providers to communicate demand response signals directly to existing customers using a common language and existing communications
Passive Dispatch Events where a BESS dispatches energy to reduce demand during summer peak periods. Passive Dispatch events are pre-scheduled by the Program Administrators and BESS Operators must program this event schedule into the BESS. See energystorageCT.com for complete schedule. 
Program Energy Storage Solutions is a program offered through the Program Administrators 
Program Administrators Collectively the Connecticut Green Bank, Eversource Energy, and The United Illuminating Company 
Round Trip Efficiency Round-trip efficiency is the percentage of electricity that can be put into storage and later retrieved 
UL 1741 SA Standard for Inverters, Converters, Controllers and Interconnection System Equipment for Use with Distributed Energy Resources, Supplement A for United Laboratories 1741 – Details safety requirements applicable to a variety of equipment for use in standalone or interactive power systems 
UL 1973 Standard for Batteries for Use in Stationary, Vehicle Auxiliary Power and Light Electric Rail (LER) Applications – A certification standard for batteries used for energy storage with a focus on the battery’s ability to withstand simulated abuse.  
UL 9540 Standard for Energy Storage Systems and Equipment - As specified in the National Fire Protection Association (NFPA) 855, United Laboratories 9540 certifies the safety requirements for Battery Energy Storage Systems. UL 9540 certification was introduced as part of the 2021 International Fire Code and subsequently adopted by the CT Department of Administrative Services Codes and Standards Committee
Vendor Fee Any fee taken by a BESS Operator or Aggregator in exchange for operating a customer’s BESS, either as a flat rate or a percentage of incentives paid.

Section 2 - Applicant (Required)


Applicant Contact Name


Applicant Company Address





Contact Information






Section 3 - BESS Equipment (not required for BESS Aggregators)

Note: If you are applying for a BESS with multiple size or inverter configurations, all configurations must be included under the same UL 9540 listing. If any configuration is part of another UL 9540 listing, you must submit separate applications for those configurations. 
Complete the section below for the battery portion of the BESS.  


Contact Information




Individual Battery Information
Include information for one battery at a time only. If adding multiple batteries, click "Add another response" at the bottom of this section


kW

kWh

kW

%

Years




Complete the section below for the inverter portion of the BESS.  


Contact Information




Individual Inverter Information
Include information for one battery at a time only. If adding multiple batteries, click "Add another response" at the bottom of this section


kW

V

A

VA

Years




Complete the section below for the BESS. The BESS is defined as the combination of the above Battery(s) and Inverter(s). UL 9540 Certification is required for any BESS being installed after the CT Department of Administrative Services adopted the 2021 International Fire Code.


Section 4 – BESS Operator or Aggregator and DERMS Communication

Provide information about the BESS Operator or Aggregator by completing the section below. The BESS Operator is the entity responsible for connecting the BESS equipment to the relevant DERMS provider. The BESS Aggregator is the entity responsible for the coordination of BESS participating in Active dispatch events within the Program, working as an intermediary between the DERMS and the BESS Operator.

The BESS Operator is often the inverter manufacturer but can also be a third-party integrator such as a developer or owner-operator.

If the Applicant Company only manufactures batteries and the BESS utilizes an inverter made by a different company, you may need to coordinate with the inverter manufacturer to complete this section.

This section will determine if the BESS: 
  1. Is capable of transmitting data to its respective DERMS platform, 
  2. Can meet Passive Dispatch requirements, and
  3. Meets UL 9540 safety certification requirements.  
BESS Operator Information


Contact Information





Communication Criteria



Telemetry Requirements


Passive Dispatch is a requirement of the Program for customers receiving upfront incentives. The BESS Operator will be responsible for meeting the Passive Dispatch criteria. 
Scheduling Requirements - Passive Dispatch



Section 5 – Application Submission and Required Documents

What Happens Next?
  1. After the Application and supporting documents (UL Certifications and Product Specification Sheets) are submitted, you will receive an email confirmation including an application number (NTA-####). 
  2. The Program Administrators will request additional information, if necessary, and/or inform you of the decision, along with comments, to approve or deny the BESS in the Program.  
  3. Application resubmittal guidelines are stated in the Program Guidelines for Energy Storage Solutions.
Contact energystorage@ctgreenbank.com with any questions or concerns.