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Investor-owned utilityLiberty (CalPeco, Lake Tahoe CA) interconnection application
Liberty (CalPeco, Lake Tahoe CA) is an investor-owned utility serving 44,507 residential customers in California (EIA-861, 2025). Applications: PowerClerk (Liberty California Solar PowerClerk). Gridpol files Liberty (CalPeco, Lake Tahoe CA) interconnection applications for licensed installers – solar, storage and EV chargers – with single-line diagram and site plan, unlimited for $500 a month.
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Process verified from Liberty (CalPeco, Lake Tahoe CA)’s official sources (see below). Fees, storage rules and timelines not stated; confirm current tariff (NEM vs net billing) with CAnetmetering@libertyutilities.com.
Liberty (CalPeco, Lake Tahoe CA) at a glance
Liberty Utilities (Algonquin Power & Utilities)
TypeInvestor-owned utility
EIA utility ID57483
Residential customers44,507 (EIA-861, 2025)
Net-metered residential customers744 (EIA-861, 2025)
Service territory7 counties in California
How to applyPowerClerk – Liberty California Solar PowerClerk · official link
Who submitsMost solar installers complete the PowerClerk application on behalf of customers; must be submitted before construction.
Export compensationNEM – NEM-NEMA tariff / Net Metering Standard
Liberty pages reference net metering; applicability of CPUC net billing successor not confirmed.
Documents Liberty (CalPeco, Lake Tahoe CA) asks for
- Interconnection application formPowerClerk application with solar equipment details and billing/usage history Gridpol prepares this.
- Recent electric billCopy of recent bill
- Site plan / site layoutDrawn by us from your roof sketch or photos: array, inverter, battery, disconnect, meter and main panel locations. Gridpol prepares this.
- Single-line diagram (one-line)One-line electrical drawing of interconnection Gridpol prepares this.
- Load calculation (when applicable)<12 months billing history: signed calculation of expected annual electricity needs (solar professional + customer)
- Final inspection sign-offSigned-off building permit with PTO request
- Interconnection agreementE-signed after review
How the Liberty (CalPeco, Lake Tahoe CA) process runs
- Part 1: submit application in PowerClerk before construction
- Liberty review -> permission to construct
- Install; local building inspection/approval
- Part 2: submit Interconnection Request with as-built details + signed-off permit
- E-sign Liberty Interconnection Agreement
- Liberty exchanges meter for bi-directional meter
- Permission to Operate notice - do not operate before PTO
Size levels and limits
| Level | Up to | Note |
|---|
Sized up to, not more than, customer's Annual Requirements for Electricity.
Sources
- Liberty Utilities California - Net Metering: https://california.libertyutilities.com/verdi/residential/evolve/net-metering.html (retrieved 2026-11-13)
- Liberty CalPeco Rule 21: https://california.libertyutilities.com/uploads/Rule 21 Generating Facility Interconnections.pdf (retrieved 2026-11-13)
$500 / month
Unlimited interconnection applications. 12-month agreement, signed online. The agreement starts the day you sign; first invoice right away, then monthly.
- Unlimited interconnection applications
- Single-line diagram and site plan for every application
- Pre-submission check against the utility’s requirements
- Homeowner e-signature link for the authorization
- Filing in your utility portal accounts or by the utility’s method
- Utility questions, corrections and resubmissions
- Follow-up through approval, inspection and PTO
- Customer list, exports, API and webhooks
Applications are typically submitted within 2 business days after complete documents. Utility review times are set by each utility.