Fossil Fuel Electric Power Generation · Missouri

AMEREN MISSOURI - Sioux Plant

West Alton, MO · ~151 workers · 3 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
2.6
Avg TCR
1.2
Industry avg
0
Fatalities
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The verdict

AMEREN MISSOURI - Sioux Plant runs at 220% of its industry's injury rate - far more dangerous than the typical Fossil Fuel Electric Power Generation workplace, earning a grade F.

AMEREN MISSOURI - Sioux Plant: 2.6 TCR = 220% of Fossil Fuel Electric Power Generation BLS 1.2 · 3y Form 300A (see methodology below)

AMEREN MISSOURI - Sioux Plant safety composite

AMEREN MISSOURI - Sioux Plant scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 17%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).

F

29/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 2.64 per 100 workers

Safer than 26% of industry peers

DART rate
F 1.96 per 100 workers

Safer than 17% of industry peers

Fatalities
D 0

Safer than 51% of industry peers

Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).

AMEREN MISSOURI - Sioux Plant held a steady TCR band

AMEREN MISSOURI - Sioux Plant's TCR held near 0.1 from 3.3 in 2016 to 3.3 in 2018. Peak filing year was 2016 at 3.3 TCR. In 2018, DART was 0.74× this establishment's average TCR (severity share of cases).

2016=3.3 · 2017=1.3 · 2018=3.3

OSHA ITA Form 300A scorecard

Establishment book 221112 · West Alton, MO ABOVE-IND · MID

Grade F · TCR 2.6 · 220% of ind

  • DART 2.0 DART
  • RANK #26/42
  • PHOTO Cardinal Plant
  • BOOK 3y book
  • INJ 9 inj
  • SIZE ~151 FTE

Nearest TCR peer: Cardinal Plant (0.0 TCR gap)

Read with this employer → · Industry book → · Missouri employers → · Look up another →

AMEREN MISSOURI - Sioux Plant in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows AMEREN MISSOURI - Sioux Plant averages 2.6 TCR (220% of the Fossil Fuel Electric Power Generation BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

AMEREN MISSOURI - Sioux Plant TCR series: 2016=3.3 · 2017=1.3 · 2018=3.3 · BLS 1.2

Where AMEREN MISSOURI - Sioux Plant falls in its industry

846 Fossil Fuel Electric Power Gen establishments

Safer than 26% of graded establishments in this industry, whose median TCR is 1.5.

More dangerous than peersSafer than peers

Narrower to Missouri alone (the establishments it most directly competes with for workers and contracts): ranked #26 safest of 42 Fossil Fuel Electric Power Gen employers in Missouri.

AMEREN MISSOURI - Sioux Plant (151 employees, TCR 2.6) among 29 same-industry peers, split at the industry median of 59 employees and a TCR of 1.5 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 0200400600800 051015 Average employees Total Case Rate AMEREN MISSOURI - Sioux Plant
AMEREN MISSOURI - Sioux Plant (151 employees, TCR 2.6) among 29 same-industry peers, split at the industry median of 59 employees and a TCR of 1.5

AMEREN MISSOURI - Sioux Plant has more employees than the Fossil Fuel Electric Power Generation median and a higher injury rate than the industry's median TCR of 1.5. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.

Year-by-Year Safety Data

Year TCR DART Injuries Illnesses Fatalities
2018 3.3 2.0 5 0 0
2017 1.3 1.3 2 0 0
2016 3.3 0.7 2 3 0

OSHA ITA peer cross-reference

Establishment peer ledger

221112 · MO · West Alton

846 Fossil Fuel Electric Power Generation employers nationwide with a credible TCR · 10,075 rated employers in Missouri with headcount on file · 3 employers in West Alton, MO · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR Cardinal Plant 2.6 TCR
NAICS-TCR Milbank CSC 2.7 TCR
NAICS-TCR Pineville Apparatus Maintenance 2.7 TCR
NAICS-TCR Northeastern 1 and 2 Plant 2.7 TCR
STATE-SIZE McCormick Distilling Co., Inc. 151 FTE
STATE-SIZE Arning Companies Cassville 151 FTE
STATE-SIZE SRC Electrical 151 FTE
STATE-SIZE Plant 7 151 FTE
CITY-NEAR AMEREN MISSOURI - Sioux Energy Ctr Gen and Bud 145 FTE
CITY-NEAR 85A - Sioux Energy Ctr Gen and Bud 139 FTE
NAT-TCR CS Wholesale Grocers : Orlando, FL (FDC) 2.6 TCR
NAT-TCR Big Lots Store #175 LOUISVILLE, KY 2.6 TCR
NAT-TCR Republic Services of North Carolina 4825 2.6 TCR
NAT-TCR Nicola's Restorante 2.6 TCR
NAT-SIZE Mid South Baking Company TX 151 FTE
NAT-SIZE Senior Care at Lake Pointe 151 FTE
NAT-SIZE Enterprise Holdings Admin Office 151 FTE
NAT-SIZE Genesis Medical Center Aledo Campus 151 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2018, 2017, 2016. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.