You can model the Self-Generation Incentive Program (SGIP) for Energy Storage by creating a new incentive in Control > Other > Incentives and selecting the Incentive Type to be Self-Generation Incentive Program. Below we have an example of the SGIP incentive for small residential storage (< 10 kW).
You can input the incentive amount per kWh based on the SGIP incentive category you are trying to model. You can see the full list of SGIP categories on this website here.
Modelling SGIP's Performance Based Incentive (PBI)
Non-residential customers receive 50% of the incentive upfront, and the remaining 50% paid annually based on the actual performance of the system over the next 5 years. If the performance of the system exceeds the minimum requirement, the customer could get the remaining 50% of the incentive amount paid out earlier than 5 years
Non-residential systems are also required to discharge a minimum of 104 full discharges per year. To model this you need to enable the toggle "Is Paid PBI" and input the relevant details of the PBI as shown in the example of the SGIP Non-Residential Large-scale Storage (>10 kW) below:
Opting out of Resiliency Operation
If a customer decides to opt-out of resiliency, they will get a reduced incentive paid out depending on the discharge duration (hours) of the installed energy storage system. To create an incentive that models the incentive amount when a customer opts out of resiliency please enable the Opted out of Resiliency Operation toggle.
Below is the incentive decline based on discharge duration (hours) for resiliency systems and non-resiliency systems (i.e. customer that opt-out of resiliency operation):
Limitation of our current SGIP Modelling:
- Currently OpenSolar's SGIP Incentive modelling does not capture the reduction in PBI for non-residential systems that do not meet the GHG emissions reduction. The GHG emissions reduction requirements are as follows: projects that do not reduce GHG by 5kg CO2/kWh will have their performance based incentive (PBI) reduced by $1/kg CO2 emitted above this level and capped at 100% of the annual PBI.
- This limitation is likely not going to impact most projects since rarely do projects not meet this minimum requirement. However, if it does impact your project modelling please let us know at firstname.lastname@example.org.
What to do if the SGIP Incentive is NOT Calculating as Expected?
Currently OpenSolar looks up the energy capacity and rated capacity from the SGIP verified battery list in order to accurately calculate the SGIP incentive. You can find the full list under Verified Equipment Lists on the official SGIP website here. If we are unable to match the battery code to a model provided in the list, we default to calculating the SGIP incentive from the usable capacity and max continuous power rating of the battery on OpenSolar. This default calculation fallback is a good approximation but can be inaccurate. If you encounter this situation and need to model your incentive more accurately please reach out to us at email@example.com.
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