Day, SD: data center power outlook

Grid position at a glance

Serving utilities

CODINGTON-CLARK ELEC COOP, INC, H-D ELECTRIC COOP INC, LAKE REGION ELECTRIC ASSN, INC - (SD), MONTANA-DAKOTA UTILITIES CO, NORTHERN ELECTRIC COOP, INC, NORTHWESTERN ENERGY - (SD), OTTER TAIL POWER CO, TRAVERSE ELECTRIC COOP, INC, WAPA-- WESTERN AREA POWER ADMINISTRATION

ISO / market

SPP (Southwest Power Pool)

Highest grid access

345 kV

Substations in county

20

Industrial retail rate

8.7¢/kWhState-level EIA-861 industrial average. The map colours by this, not by a per-county rate.

Per-utility rates in county

4 of 9 serving utilities: 1.9 to 11.3¢/kWhLowest to highest industrial rate among the utilities serving this county (EIA-861 Sales to Ultimate Customers). A spread, not the county’s rate, and it covers only the serving utilities that report one.

Interconnection queue

4 projects, 1,000 MW

Proposed generation

None on file (EIA-860M)Units filed with EIA as planned or under construction (Form EIA-860M). Declared intent from the federal inventory, not the interconnection queue and not guaranteed capacity.

Grid carbon intensity

872 lb CO2/MWh

Water withdrawals

1.9 Mgal/dAll uses, freshwater. Water already withdrawn locally, not water available for a new load.

Construction labor near site

5,617 employed in construction within ~120 kmA large build needs hundreds of skilled construction workers on site for one to three years. A county with few of them within commuting range means bussing crews in, per diem, and housing, which is real cost and schedule risk. This counts people employed in construction within about a 120 km drive (BLS QCEW), summed across nearby counties. It is not labor known to be available: most are already committed to other projects, and no public data reveals who is free.

Grid conditions in Day

The material below frames Day, South Dakota for a prospective large load, drawing only on public sources. Grid access in Day extends to 345 kV, a high-voltage line class. The mapped layer places 20 substations across Day, a moderate density.

Interconnection over Day runs through the SPP market (Southwest Power Pool) and its rules. For Day, the rate shown is the state industrial average of 8.7 cents per kWh (EIA-861), a state figure and not a county-specific one. Beneath that state average, the utilities serving Day that report an industrial rate span 4 of 9 serving utilities: 1.9 to 11.3¢/kWh, shown as context and never as the county rate.

The queue feeds show 4 projects for Day, totalling 999.5 MW of requested capacity. Day, South Dakota has no EIA-860M generation on file, which reads as zero rather than as a gap. Day sits under a balancing authority that eGRID puts at 871.526 lb CO2 per MWh.

Day withdrew 1.93 million gallons per day for all uses in the USGS 2015 data, which counts demand, not headroom. About 5,617 people are employed in construction within a 120 km commute of Day (BLS QCEW), which frames staffing distance rather than free labour.

For Day, treat this as screening-grade county context useful for narrowing a search rather than settling a site. Taken together, the figures for Day, South Dakota describe the grid around a prospective site, drawn from public data with their gaps left visible on purpose. To move past screening in Day, South Dakota, a specific address needs its own interconnection study, which this page does not attempt. The figures for Day, South Dakota refresh as their public datasets do, and the exact sources and dates sit in the source log below this section.

Sources