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CAISOCAI-2024-0102Active

CA BESS Mesa III

Located in CA. Developed by Invenergy. Interconnects via CA-SUB-102 on the PG&E system.

Capacity
170 MW
Technology
Storage
Expected COD
Q3 2026
Stage
Pending
Investability score77/100
77

Stage progression

CA BESS Mesa III interconnection milestones

Source: Glass · ISO queue updates

LMP at POI

12-month average, CA-SUB-102

USD/MWh

Source: Glass · gridstatus / ISO LMP

Score breakdown

Six-factor investability assessment

Source: Glass · proprietary scoring model v1.2

Interconnection stage+21

IA executed and FFS complete — late stage signal.

Developer track record+14

Tier B developer with 14 completed projects.

Tax credit qualification+18

Energy community + domestic content bonuses available.

Permitting risk+8

County-level approval pending.

Grid context+6

POI has 120 MW of headroom; LMP averaging $38/MWh.

Market signals+3

Limited offtake competition in this corridor.

Recommended credit
ITC
Effective rate
50%
Estimated value
$85.0M
Estimated cost
$170.0M

Credit composition

ITC stack with IRA bonuses

%

Source: Glass · Treasury Notice 2026-15 model

Developer

InvenergyView full developer profile
Profile
Queue IDCAI-2024-0102
ISOCAISO
Queue date2024-03-15
IA statusIA Executed
POICA-SUB-102
Transmission ownerPG&E
Expected COD2026-07-01
StagePending

Equipment & supply chain

FEOC overlay, supplier graph, and BOM analysis — Phase 4 enrichment.

Permitting

County-level approval status, filings, and timelines — Phase 4.

Capacity headroom at POI

CA-SUB-102

MW

Source: Glass · ISO transmission study data

Market context

Comparable projects, regional trends, and offtake market — Phase 2.

Documents

FERC + PUC filings, press releases, system impact studies — Phase 4.

Monitoring & timeline

Change history, watchlist subscriptions, alert configuration — Phase 3.