RISER302955
SubstationCalifornia · SACRAMENTO MUNICIPAL UTILITY DISTRICT
At a glance
RISER302955 is an electric transmission substation in California, on SACRAMENTO MUNICIPAL UTILITY DISTRICT's transmission network. It is classified as unclassified and connects 1 transmission line. Substation proximity is one of the strongest speed-to-power signals for siting a datacenter — interconnection distance to an energized, high-voltage bus is often the binding constraint on time-to-energization.
Voltage & classification
Ownership
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #312317 | — | SACRAMENTO MUNICIPAL UTILITY DISTRICT | IN SERVICE | 0.0 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of RISER302955, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| UNKNOWN302253 | Substation-Adjacent | CA | Sacramento County | 230 kV | 300 MW | 7.6 yrs | 58.0 |
| STATION A | Substation-Adjacent | CA | Sacramento County | 230 kV | 300 MW | 7.6 yrs | 57.8 |
| NORTH CITY | Substation-Adjacent | CA | Sacramento County | 230 kV | 300 MW | 7.6 yrs | 57.8 |
| STATION B | Substation-Adjacent | CA | Sacramento County | 230 kV | 300 MW | 7.6 yrs | 57.7 |
| STATION D | Substation-Adjacent | CA | Sacramento County | 230 kV | 300 MW | 7.6 yrs | 57.7 |
| FIDDYMENT | Substation-Adjacent | CA | Sacramento County | 230 kV | 300 MW | 7.6 yrs | 57.6 |
| NATOMAS | Substation-Adjacent | CA | Sacramento County | 230 kV | 300 MW | 7.6 yrs | 57.2 |
| Sierra Pacific Lincoln Facility | Brownfield | CA | Sutter County | 66 kV | 13 MW | 7.6 yrs | 57.1 |
Who owns the transmission lines at RISER302955?
The 1 connected line listed above is owned by SACRAMENTO MUNICIPAL UTILITY DISTRICT. Their combined recorded length is about 0 miles.
How do candidate sites near RISER302955 score?
The 8 highest-scoring candidate sites within about 25 miles range from 57 to 58 on the 0–100 DC Readiness scale. They fall in Sacramento County, Sutter County. The California average across 8,490 scored sites is 45.4. 1,573 of those California sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
How many transmission lines connect to RISER302955 substation?
1 transmission line terminate at or pass through RISER302955 in the HIFLD line data. Together the listed lines cover about 0 miles.
Who owns RISER302955 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at RISER302955 belong to SACRAMENTO MUNICIPAL UTILITY DISTRICT. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is RISER302955 substation located?
RISER302955 is in California at 38.5860, -121.2819. The datacenter candidate sites closest to it are in Sacramento County, Sutter County.
Are there datacenter candidate sites near RISER302955 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of RISER302955. The highest-scoring is UNKNOWN302253 at 58/100. Across California, the average DC Readiness score is 45.4.
More in California
About this data
Source: HIFLD Electric Substations and Transmission Lines (U.S. Department of Homeland Security), as published June 29, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “RISER302955 substation, California”, https://gridcensus.com/substations/california/riser302955-405cf150 (data as of June 29, 2026).
Dataset updated . Screening estimates derived from public data sources.
Substation attributes are derived from public HIFLD / EIA infrastructure data and may lag real-world upgrades or retirements. Voltage and connected-line counts are screening figures — confirm available capacity and interconnection terms directly with the operating utility and ISO.
Go deeper than the public screen
Every site and score for RISER302955 substation, California is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.