PG&E Interconnection Guide
2025/02/26 | lunarenergy.com
Start Application
Select: "Option 2 - Connect Solar Panels, Wind Turbines, or Other Generating Equipment"
Select: "Option 1 - Simple Solar, Wind and/or Energy Storage"
Select: "Option 2 - Standard NEM with Energy Storage"
Project Information
Program: Simple Solar, Wind and/or Energy Storage | Subprogram: Standard NEM with Energy Storage | Service Type: New Generating Facility (Existing Electrical Service)
Electrical Service Agreement Number: Enter your ELECTRIC service agreement ID (not gas).
Equipment Details — System #1
Program: Standard NBT/NEM Paired Storage | Tech Type: Solar PV | Generator Type: Inverter-External | Fuel Type: Solar | Used as Backup: Yes | How: ATS | Anti-Island Detection: Group 1: Frequency Shift with continuous positive frequency feedback | Method of Transition: Open | Limit Export: No | Manufacturer: Lunar Energy, Inc. | Model: LE-ESS-20KWH [240V] [SI1-SB] + 10-005025 [240V] | Quantity: 1
Power Module #1 — PV Modules
Tech Type: Solar PV | Generator Type: PV Panels | Fuel Type: Solar | Manufacturer/Model/Quantity: specific to project
Power Module #2 — DC-coupled Lunar Battery
Tech Type: Storage | Generator Type: Battery | Fuel Type: Onsite Renewable | Manufacturer: Lunar Energy, Inc. | Model: LE-ESS-20KWH [SI1-SB][DC] | Software Version: 0 | Charging Mode: No Grid Charging | Exporting to Grid: Yes | Operating Mode: Parallel Only (No Export) | Quantity: 1 | Maximum Storage Capacity: 20 kWh | Estimated Annual Usage for Storage: 0 | Distribution System to charge storage: No | Charging Function Rated Charge Demand: 6.67 kW
Usage and Production
Note on Solar Estimate: PG&E's system generates a very high PV estimate. This is a known issue flagged to PG&E. Planned Increase in Annual Usage = Annual usage + Increase = 100% of solar annual production estimate.
Required Documents
Transfer Switch Scheme Documentation: See Lunar Bridge specification in the Lunar System Datasheet
Manufacturer's Documentation for Anti-Islanding Method: See Declaration of Conformity on Anti-Islanding
(Both available in the Documentation Center)
Source document: https://documents.lunarenergy.com/pg-and-e-interconnection-guide