FieldProspects

San Luis Obispo County, California

San Luis Obispo County, California has 35 power projects in the FieldProspects database: 29 operating plants totaling 3.6 GW and 6 planned projects totaling 1.7 GW. No data center record lists the county. Nuclear leads with 2.3 GW across 2 projects.

Data as of Grid region: California ISO (CAISO)Refreshed monthly
35
power projects, planned and operating
1.7GW
planned generation, 6 projects
3.6GW
operating generation, 29 projects
0
planned projects past their listed in-service date
Map

San Luis Obispo County and its neighbors

Counties shaded by data center MW on record, planned to operating. 4 of its 4 neighboring counties have pages of their own. The rest are in the member database.

Monterey no data centers Santa Barbara no data centers Kern 100 MW Kings 100 MW San Luis Obispo no data centers
no data center MWunder 100 MW100 to 1,000 MW1,000 to 5,000 MW5,000 to 15,000 MW15,000 MW or more no page yet

Data center records planned, under construction and operating, data as of October 8, 2026.Hover a county for its numbers

Headline finding
48%

of the county's operating generation is in the queue as new capacity: 1.7 GW planned across 6 projects against 3.6 GW operating.

Operating generation3.6 GW
Planned generation1.7 GW

Technology mix

35 projects, 5.3 GW planned and operating

Nuclear2.3 GW2 projects, 44%
Solar1.2 GW23 projects, 22%
Wind1 GW1 project, 20%
4 other technologies747 MW9 projects, 14%
Which companies own these 35 projects?Project names, developers and contacts are for members.See what members get

Power generation in the county

29 plants operate inside San Luis Obispo County, 3.6 GW. The queue adds 1.7 GW across 6 projects.

Figure 1

Operating and planned generation by technology

MW in San Luis Obispo County

OperatingPlanned
NuclearOperating 2.3 GW 2 projects
SolarOperating 1.1 GW 22 projects
SolarPlanned 40 MW 1 project
WindPlanned 1 GW 1 project
HydroOperating 4.4 MW 2 projects
HydroPlanned 600 MW 3 projects
Battery StorageOperating 99.7 MW 1 project
Battery StoragePlanned 40 MW 1 project
Landfill GasOperating 1.5 MW 1 project
Natural GasOperating 1.4 MW 1 project
View as table
TechnologyStatusProjectsMW
NuclearOperating22,323
SolarOperating221,133
SolarPlanned140
WindPlanned11,028.9
HydroOperating24.4
HydroPlanned3600
Battery StorageOperating199.7
Battery StoragePlanned140
Landfill GasOperating11.5
Natural GasOperating11.4
Operating: 3.6 GW. Planned: 1.7 GW. If every planned project is built, county generation would reach 5.3 GW.
Source. FieldProspects database: ISO/RTO interconnection queues, EIA-860M and public data center filings, data as of October 8, 2026.
Figure 2

Planned generation by listed in-service year

MW. Years before 2026 are past due.

Past dueDue 2026 or later
05001k1.5k 600 2027 1,109 2028
View as table
YearPlanned projectsMW
20273600
202831,108.9
No planned project is past its listed year

San Luis Obispo County against its neighbors

Kern County has the most data center MW among the neighbors, 100 MW. 4 of the 4 have more generation operating than data center MW on record.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
Kern County 1
100
18,776
27,842 0.01x
Kings County 1
100
2,820
9,245 0.04x
San Luis Obispo County this page 0
0
3,563
1,709 0x
Monterey County 0
0
2,391
3,400 0x
Santa Barbara County 0
0
363
10 0x

Data center MW counts records planned, under construction and operating. Generation is inside the county only. Neighbors without a page have fewer than three projects on record.

5 counties shown

What changed since June 4, 2026

2 projects in San Luis Obispo County moved between the two snapshots. Counts and MW are below; the projects themselves are for members.

Open the change feed
2
added to a queue, 80 MW
0
came online, started construction or signed an interconnection agreement, 0 MW
0
cancelled, dropped or went inactive, 0 MW
0
slipped their in-service date, 0 MW

Every change in San Luis Obispo County

Project, what changed, technology, MW and the dates that moved, for all 2 changes.

Members only
County: San Luis Obispo County, CASince June 4, 2026 2 changes
ProjectChangeTechnologyMWPrevious dateNew date
2 changes behind this preview

Rows are hidden on public pages. Members see the project behind each change, its developer and the dates that moved.

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Every record in San Luis Obispo County

Project name, developer, status, MW, in-service year and the developer’s contacts, for all 35 records. Filter, sort and export to Excel.

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County: San Luis Obispo County, CAStatus: all except cancelledSort: MW, largest first 35 records
Project or campusDeveloperStatusMWYearContacts
35 records and 5.3 GW behind this preview

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