PUMPJACK SOLAR I (AKA PIONEER SOLAR I) (CAISO-653B) — Project Summary

Queue ID
CAISO-653B
Capacity
40 MW
Technology
Solar+Battery
Status
active
Location
Kern, CA
Region
CAISO
Developer
IA Status
IA Executed

PUMPJACK SOLAR I (AKA PIONEER SOLAR I)

CAISO-653BBetaActiveSolarBatteryCAISOLBNL + Live

40 MW hybrid in Kern, CA · In queue since September 2010 · Proposed COD June 2027

BA: CISOISO/RTO: CAISONERC: WECCRC: RCW

40 MW

Capacity

2

Components

Solar + Battery

15y 10m

In Queue

IA Executed

IA Phase

Signed Apr 2013

Interconnection

Queue → IA

2y 7m

IA → COD

14y 2m

Total Duration

2y 7m

Study Phase

SGIP-TC

Construction75%
Queue EntrySep 29, 2010

Interconnection request submitted to ISO/RTO

Cluster Study (Phase I/II)

CAISO uses cluster studies where projects are batched annually and studied together.

Typical: 36–48 months (IR to IA)

Interconnection AgreementApr 25, 2013

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 18–30 months

Commercial Operation

Proposed COD: 2027-06-01

About

PUMPJACK SOLAR I (AKA PIONEER SOLAR I) is a proposed 40 MW hybrid solar and battery project located in Kern County, California. The development project consists of 20 MW of solar generation paired with 20 MW of battery storage. The project is listed in the CAISO interconnection queue as queue ID CAISO-653B.

The project entered the CAISO queue on January 1, 1970, with a proposed commercial operation date of June 1, 2027. The interconnection agreement (IA) has been executed as of January 1, 1970. The point of interconnection is the Belridge - Temblor 115 kV line.

Generated from interconnection queue and public data sources

Development Risk

Realization history for this asset — final cost vs plan, COD slip vs original date, and construction duration vs cohort. Retrospective context for the operating risk view above. Powered by InfraSure's development-stage modeling stack.

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Final cost vs plan
COD vs original date
Construction duration vs cohort
Project Details

State

CA

County

Kern

Grid Region

CAISO (California)

Market

ISO/RTO Member

Developer

Utility

PGAE

Entity

CAISO

Service Type

NRIS

Point of Interconnection

Belridge - Temblor 115 kV

Data Source

LBNL + Live

Risk Analytics

Composite operating risk view for this asset — climate hazards across its remaining operating life, observed generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.

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See the full risk decomposition + scenarios for this project.

Climate hazards (8+)
Generation variability (P10/P50/P90)
Offtake + transmission counterparty
Technology
Solar20 MW · 50%
Battery20 MW · 50%
Generation Forecast

Forward generation outlook — 10-year P50 trajectory accounting for degradation, observed curtailment, and market conditions, with probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.

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See the full forecast + scenario decomposition for this project.

10-year P50 forecast
Degradation-adjusted CF
Weather + policy scenarios
Financial Forecast

Forward revenue, DSCR bands, and refinancing risk for this asset — 10-year cashflow projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.

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See the full revenue + DSCR projection for this project.

10-year cashflow horizon
P10 / P50 / P90 DSCR bands
Price + demand + policy scenarios
Market Context
Approximate
ISO / RTO
CAISO
Trading Hub
TH_ZP26_GEN-APND
Hub Confidence
LOW

This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.

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Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.