Northridge, CA · November 2018 – January 2019 · LADWP / LADBS
Reservation, install, PTO, payment approved.
Twenty-nine modules and a single string inverter on a Northridge house, taken through the utility's solar incentive programme from reservation to an approved payment in forty-seven days.
An incentive reservation is not the same as an incentive payment. The reservation holds a place; the payment is approved only after the system is installed, inspected and granted permission to operate. This project is one where the whole chain completed.
At a glance
- System
- 8.7 kW DC
- Modules
- 29 × Silfab 300 W
- Inverter
- SolarEdge SE7600H-US
- Main panel
- Not upgraded
- Reservation to payment approval
- Forty-seven days
- PTO
- December 2018
- Utility / AHJ
- LADWP / LADBS
The story
This project runs the full length of an LADWP solar incentive programme — reservation confirmed, system built, permission to operate granted, incentive payment approved — with all four steps dated and on the record.
The system itself is straightforward and, by current standards, old-fashioned in a way that still works: twenty-nine Silfab 300 watt modules feeding a single SolarEdge SE7600H-US string inverter on the wall. 8.7 kilowatts DC on the approved plans. The existing main panel was not upgraded, which kept the electrical scope to the inverter, the disconnect and the run between them.
The sequence is what makes this one worth reading. Plans went out in the middle of November. The permit and the stamped plans came back twelve days later. The incentive reservation was confirmed three days after that. Permission to operate arrived before Christmas, and the incentive payment approval came through in the middle of January.
Forty-seven days from reservation to approved payment, and the reason is mundane: the permit came back in twelve days and the installation did not wait for anything. Incentive programmes run to their own rules and their own budgets, and a reservation that sits unbuilt is a reservation at risk. The way to protect one is to build.
The order of operations is the part worth keeping: the reservation has to exist before the work starts, and the payment only follows a system the utility has actually switched on. A reservation on its own buys nothing.
How it ran
| 13 November 2018 | Plans issued |
|---|---|
| 25 November 2018 | Permit and stamped plans received |
| 28 November 2018 | Solar incentive programme reservation confirmed |
| 20 December 2018 | Permission to operate |
| 14 January 2019 | Incentive payment approved |
Forty-seven days from reservation to approved payment.
What we did
- Drew and submitted the plan set, and took the permit through to issue in twelve days.
- Filed the incentive reservation and had it confirmed before work began.
- Installed twenty-nine Silfab 300 watt modules on a single SolarEdge string inverter.
- Kept the existing main panel, limiting the electrical scope to the inverter, the disconnect and the run between them.
- Carried the project through permission to operate and on to an approved incentive payment.
System specifications
| System | 8.7 kW DC |
|---|---|
| Modules | 29 × Silfab, 300 W |
| Inverter | SolarEdge SE7600H-US, single string inverter |
| Main panel | Existing, not upgraded |
| Incentive | LADWP solar incentive programme — reserved, then approved for payment |
| Utility / AHJ | LADWP / LADBS |
Is your project like this one?
- You have been told there is a rebate and want to know what actually has to happen.
- You are comparing a single string inverter against microinverters.
- You want an installation that does not require your main panel to be replaced.
- You are looking at what a pre-2019 system on a Los Angeles house looks like.
- You are weighing an incentive programme and want to see one run end to end.
Cali Energy in Northridge
Northridge is inside City of Los Angeles boundaries: permits run through LADBS, interconnection through LADWP.
Northridge houses that went solar before 2019 often did it through an LADWP incentive programme, and the paperwork for that ran alongside the permit rather than after it.
This installation is on the Northridge projects page alongside the others, and what the work covers is set out on the Northridge service area page.
- License and classifications: CSLB #1032379
- Official reference for this process: LADWP interconnection requirements
- Official reference for this process: California Energy Commission — solar equipment lists
Frequently asked questions
Is there still an LADWP solar rebate?
Incentive programmes open, close and change budget, so the answer depends on the month you ask, and the 2018–19 programme described here is not the one on offer today. What it does show is the shape of the process: reservation confirmed before the work, payment approved after permission to operate. Check the current terms with the utility before counting on an incentive.
What is the difference between a reservation and a payment?
The reservation holds a place in the programme before the system is built. The payment is approved only once the system is installed, inspected and granted permission to operate. On this project the two were forty-seven days apart.
Do you publish the rebate amount?
No. Incentive amounts, programme numbers and account references stay out of these pages.
Why a single string inverter rather than microinverters?
On this house the array sits as one group on one plane, which is the condition a string inverter is built for. Where a roof has several planes or shading we use one microinverter per module instead.
Did the main panel have to be replaced?
No. The existing panel took the connection and the plans record no main panel upgrade, which kept the electrical work to the inverter, the disconnect and the run between them.
Does Cali Energy handle incentive paperwork?
On this project we filed the reservation and carried it through to the payment approval alongside the permit and the interconnection. Cali Energy holds B, C-10 and C-39 classifications under CSLB #1032379.
What this would look like on your roof
Every number on this page came off a real job in Northridge, CA — not a brochure. Tell us your utility, your roof and what your bill looks like now, and we will model your own version of it before you commit to anything.
Or call +1 (323) 844-7777 · Cali Energy, Northridge · CSLB #1032379 (B, C-10, C-39) — design, permits, install and electrical under one licensed contractor.
Related
This timeline reflects this property and this permitting path. Updated September 2026.