System Expansion: Maryland, DC, New Jersey, and Virginia
Completing a system expansion for my solar system located in MD, DC, NJ, VA
How do I complete a system expansion for my solar system? (MD, DC, NJ, VA)
If you have added panels or increased the size of your solar system, this is considered a system expansion. To continue generating and selling SRECs, your system must be updated and approved by the state and GATS.
*Please note that if the new panels feed into the same utility meter, it is a system expansion. In most cases, it does and it is very rare to add panels that feed a different utility meter*
What information does Sol Systems need?
To process a system expansion, Sol Systems will request updated system details and documentation based on your state.
In general, you may be asked to provide:
- Updated system size (capacity)
- A signed expansion agreement (DocuSign)
- Additional documents depending on your state
What documents are required by state?
Maryland
- Signed Certificate of Completion (also known as interconnection agreement) showing total system capacity (existing + new panels)
Washington, DC
- Interconnection agreement
New Jersey
- No additional state documentation is required
- Sol Systems will proceed with internal updates and GATS submission
Virginia
- No additional state documentation is required unless we are selling your SRECs in the PA Tier I market
- Sol Systems will notify you if documentation is needed
Please use the below template to copy and paste in an email to send us:
Solar Panel Make and Model:
Panel Quantity:
Power Rating:
Roof Tilt:
Roof Azimuth:
Inverter Type:
Inverter Quantity:
Online Date:
Do not forget to attach the required documents depending on your state. At the minimum, we will always need an interconnection agreement.
What happens after I submit my documents?
Once all required documentation is received:
- Sol Systems submits your expansion to the appropriate state authority
- Your system details are updated in GATS (the SREC tracking system)
- Your system must be approved by both the state and GATS before generating SRECs at the new capacity
Will my SREC production be affected?
Yes, temporarily.
- If your system uses production estimates and remains under 10 kW in MD or DC, it may be temporarily paused in GATS to prevent incorrect SREC minting
- Once approved, your system will resume normal SREC generation at the updated size
What if I added a second meter?
If your expansion includes a new meter:
- You may need to report multiple meter readings or add them together to get the new total
How long does the process take?
System expansions can take several weeks to a few months, depending on:
- State approval timelines
- GATS processing time
- How quickly Sol Systems receives accurate information
What happens once my expansion is approved?
After approval:
- Your updated system size will be reflected in GATS
- You will begin generating SRECs based on your new system capacity
- Sol Systems will notify you once the expansion is fully approved