To prevent back feeding onto the grid for protection of utility workers and to meet the resiliency requirements as directed in the PURA Final Decision.
As mandated by PURA, islanding is a primary requirement in the program that ensures customers separate their interconnected load from their grid connection during power outages in support of enhanced resiliency to program participants.
A contractor can still submit the customer’s application in the enrollment platform, but they should also submit the New Technologies Request Form. There will likely be a delay in approval and an incentive is not guaranteed. Even if a BESS is listed as eligible, a New Technology Application will be required for the first project submission for that OEM or “last mile operator”. While the BESS and OEMs shown on the list are considered eligible, not all OEMs have committed to participating in the program. The initial submittal will confirm their interest to participate in ESS.
You can find the list of eligible OEMs on the Contractor Resources page of our website, found here: https://energystoragect.com/eligible-contractors/.
Please have the battery operator, including the manufacturer, contractor, or TPO complete the New Technologies Request form, found on the energy storage webpage and at the following link: https://energystoragect.com/contractor-resources/. That request form will be reviewed to determine if the battery energy storage system (BESS) meets the minimum technical requirements and is able to move forward with integration with the Distributed (Energy) Resource Management System (DRMS for UI, DERMS for Eversource). Once accepted, the battery manufacturer will then be responsible for working with the DRMS/DERMS platform managers to complete integration.
This program is overseen by the Public Utilities Regulatory Authority (PURA), is paid for by electric ratepayers, and is administered by the Connecticut Green Bank, Eversource, and UI.
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