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1182 MW Solar planned in Portage, WI — Midcontinent Independent Transmission System Operator, Inc..
1,182 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
Planned: —
Planned Operation
Coordinates
44.4463, -89.5763
County
Portage, WI
Nearby Plants
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Vista Sands Solar LLC | Doral Renewables LLC | — |
| Owner(s) | Vista Sands Solar LLC | Doral Renewables LLC | — |
| Status | Planned | pre-construction | — |
GEM identifies the owner as Doral Renewables LLC
This entity is not yet in the GEM ownership database — chain unavailable.
Vista Sands Solar is a 1,182 MW solar photovoltaic power plant located in Portage County, Wisconsin. It is the largest solar plant in Wisconsin out of 11 such plants, and ranks third nationally among 639 solar facilities. The plant is owned and operated by Vista Sands Solar LLC. It utilizes fixed-tilt solar tracking technology.
The plant connects to the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority, within the Midwest Reliability Organization (MRO) NERC region. The facility consists of a single generator.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
No generation data available for this plant.
2023
$1,606/kW
Est. Construction Cost
Total estimated cost: $1.9B
Point of Interconnection
Nearest Substation
Plover · 115 kV
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
—
Pricing Hub
MICHIGAN.HUB
Alt. Hub / Zone
MINN.HUB
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
Last updated 2026-03-14
View all 8 articlesMidcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
345.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP