Electric power generation, nuclear · Illinois

Constellation Nuclear Services & Training Center (STC)

Name: Constellation Nuclear Services & Training Center (STC) Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Wilmington, IL · ~50 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

B
Good Safety Record: 0.9
Avg TCR: 1.2
Industry avg: 0
Fatalities

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The verdict

Constellation Nuclear Services & Training Center (STC) runs at 73% of its industry's injury rate - safer than the typical Electric power generation, nuclear workplace, earning a grade B.

Constellation Nuclear Services & Training Center (STC): 0.9 TCR = 73% of Electric power generation, nuclear BLS 1.2 · 2y Form 300A (see methodology below)

Constellation Nuclear Services & Training Center (STC) safety composite

Constellation Nuclear Services & Training Center (STC) scores strongest on dart rate (safer than 66% of same-industry peers) and weakest on total case rate (tcr) (safer than 9%), 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).

39/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): F 0.87 per 100 workers

Safer than 9% of industry peers
DART rate: C 0 per 100 workers

Safer than 66% of industry peers
Fatalities: D 0

Safer than 50% 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%).

TCR Δ

−1.7

2023→2024

Constellation Nuclear Services & Training Center (STC) injury rate improved

Constellation Nuclear Services & Training Center (STC)'s TCR fell 1.7 from 1.7 in 2023 to 0.0 in 2024. Peak filing year was 2023 at 1.7 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2023=1.7 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 221113 · Wilmington, IL AT/BELOW-IND · SMALL

Grade B · TCR 0.9 · 73% of ind

DART 0.0 DART
RANK #12/12
PHOTO WCNOC
BOOK 2y book
INJ 1 inj
SIZE ~50 FTE

Nearest TCR peer: WCNOC (0.1 TCR gap)

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

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0.9
WCNOC

0.8
Calvert Cliffs

0.8
AMEREN MISSOUR

0.7
CA-SONGS Stati

0.7

What this shows Constellation Nuclear Services & Training Center (STC) averages 0.9 TCR (73% of the Electric power generation, nuclear BLS benchmark).

Constellation Nuclear Services & Training Center (STC) TCR series: 2023=1.7 · 2024=0 · BLS 1.2

Where Constellation Nuclear Services & Training Center (STC) falls in its industry

80 Electric power generation, nuc establishments

Safer than 9% of graded establishments in this industry, whose median TCR is 0.2.

Grade B

More dangerous than peersSafer than peers

Narrower to Illinois alone (the establishments it most directly competes with for workers and contracts): ranked #12 safest of 12 Electric power generation, nuc employers in Illinois.

Constellation Nuclear Services & Training Center (STC) (50 employees, TCR 0.9) among 29 same-industry peers, split at the industry median of 669 employees and a TCR of 0.2

Constellation Nuclear Services & Training Center (STC) has fewer employees than the Electric power generation, nuclear median and a higher injury rate than the industry's median TCR of 0.2. 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
2024	0.0	0.0	0	0	0
2023	1.7	0.0	1	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

221113 · IL · Wilmington

80 Electric power generation, nuclear employers nationwide with a credible TCR · 22,804 rated employers in Illinois with headcount on file · 22 employers in Wilmington, IL · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel	Establishment	Place	Metric
NAICS-TCR	WCNOC	BURLINGTON, KS	0.8 TCR
NAICS-TCR	Calvert Cliffs Nuclear Power Plant	LUSBY, MD	0.8 TCR
NAICS-TCR	AMEREN MISSOURI - Nuclear - Operations	STEEDMAN, MO	0.7 TCR
NAICS-TCR	CA-SONGS Station	SAN CLEMENTE, CA	0.7 TCR
STATE-SIZE	DuPont Pioneer Champaign CMI1	IVESDALE	50 FTE
STATE-SIZE	1240-Monmouth, IL	MONMOUTH	50 FTE
STATE-SIZE	AMEREN ILLINOIS - Gas Storage	DECATUR	50 FTE
STATE-SIZE	Fricke Management and Contracting, Inc.	MURPHYSBORO	50 FTE
CITY-NEAR	Warehouse Services, Inc. - Wilmington	Wilmington	361 FTE
CITY-NEAR	Wilmington	Wilmington	279 FTE
CITY-NEAR	USCS- Wilmington, IL	Wilmington	271 FTE
CITY-NEAR	Amazon.com Services LLC - HIL3	Wilmington	237 FTE
NAT-TCR	DPL-Centreville	Centreville, MD	0.9 TCR
NAT-TCR	Charlestown Plant	Charlestown, NH	0.9 TCR
NAT-TCR	M&H Engineering Co., Inc.	Danvers, MA	0.9 TCR
NAT-TCR	Waseca MN Site	Waseca, MN	0.9 TCR
NAT-SIZE	Sawyer Manufacturing Company	Tulsa, OK	50 FTE
NAT-SIZE	Bone Dry Roofing - Athens	Bogart, GA	50 FTE
NAT-SIZE	LHB Industries - Trenton	St. Louis, MO	50 FTE
NAT-SIZE	Brookdale Roseburg	Roseburg, OR	50 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: 2024, 2023. 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.