Query
RE Tranquillity
Type
Entity Briefing
Entity
RE Tranquillity
Generated
2026-10-19T02:18:46.692Z

Briefing on RE Tranquillity

Entity Briefing
Generated Oct 19, 2026·Dataset freshness not reported
277 MW
Capacity
Operating
Current status
2016
Operating since
3
Generators
20.2%
Capacity factor
491 GWh
Annual generation
Briefing/plantOperating

RE Tranquillity is a 277 MW Batteries asset in CAISO (California), currently Operating.

RE Tranquillity is reported in California since 2016 under Southern Power Co. Available operating and financial measures include 20.2% capacity factor and 491 GWh annual generation; $-14.6/MWh reported energy value.

Location
Fresno, California
Technology
Batteries, Solar Photovoltaic
Owner / parent
Southern Power Co
Operator
Southern Power Co
Grid
CAISO (California)
Plant ID
59939

What stands out

1

RE Tranquillity is a 277 MW Batteries asset in California with status Operating.

2

Latest annual operating measures report 20.2% capacity factor and 491 GWh annual generation.

3

Available financial measures include $-14.6/MWh energy value.

Market and operating context

ISO / market
CAISO (California)
Balancing authority
California Independent System Operator
NERC region
WECC
State rank
#38 of 992
National rank
#188 of 7,971

Why it matters

For this asset in CAISO (California), operating status, generation, ownership, and linked events are the primary facts for performance and asset-level diligence. The exact chart and source-linked records below let the reader test those facts before moving to a deeper report.