Batteries, rechargeable, manufacturing · Arizona

Sion Power Tucson Facility

Tucson, AZ · ~89 workers · 6 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.9
Avg TCR
3.3
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

Sion Power Tucson Facility runs at 27% of its industry's injury rate - far safer than the typical Batteries, rechargeable, manufacturing workplace, earning a grade A.

Sion Power Tucson Facility: 0.9 TCR = 27% of Batteries, rechargeable, manufacturing BLS 3.3 · 6y Form 300A (see methodology below)

Sion Power Tucson Facility safety composite

Sion Power Tucson Facility scores strongest on dart rate (safer than 84% of same-industry peers) and weakest on fatalities (safer than 51%), 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).

B

75/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 0.9 per 100 workers

Safer than 81% of industry peers

DART rate
B 0 per 100 workers

Safer than 84% 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%).

TCR Δ

−1.8

2018→2024

Sion Power Tucson Facility injury rate improved

Sion Power Tucson Facility's TCR fell 1.8 from 1.8 in 2018 to 0.0 in 2024. Peak filing year was 2018 at 1.8 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2018=1.8 · 2019=1.4 · 2020=0.0 · 2021=1.2 · 2022=1.0 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 335911 · Tucson, AZ AT/BELOW-IND · SMALL

Grade A · TCR 0.9 · 27% of ind

  • DART 0.0 DART
  • RANK P81
  • PHOTO Saft Jacksonville
  • BOOK 6y book
  • INJ 4 inj
  • SIZE ~89 FTE

Nearest TCR peer: Saft Jacksonville (0.0 TCR gap)

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

Sion Power Tucson Facility in the TCR neighbourhood

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

TCR

What this shows Sion Power Tucson Facility averages 0.9 TCR (27% of the Batteries, rechargeable, manufacturing BLS benchmark).

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

Sion Power Tucson Facility TCR series: 2018=1.8 · 2019=1.4 · 2020=0 · 2021=1.2 · 2022=1 · 2024=0 · BLS 3.3

Where Sion Power Tucson Facility falls in its industry

161 Batteries, rechargeable, manuf establishments

Safer than 81% of graded establishments in this industry, whose median TCR is 2.1.

More dangerous than peersSafer than peers
Sion Power Tucson Facility (89 employees, TCR 0.9) among 29 same-industry peers, split at the industry median of 107 employees and a TCR of 2.1 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 02,0004,0006,0008,000 05101520 Average employees Total Case Rate Sion Power Tucson Facility
Sion Power Tucson Facility (89 employees, TCR 0.9) among 29 same-industry peers, split at the industry median of 107 employees and a TCR of 2.1

Sion Power Tucson Facility has fewer employees than the Batteries, rechargeable, manufacturing median and a lower injury rate than the industry's median TCR of 2.1. 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
2022 1.0 1.0 1 0 0
2021 1.2 0.0 1 0 0
2020 0.0 0.0 0 0 0
2019 1.4 1.4 1 0 0
2018 1.8 1.8 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

335911 · AZ · Tucson

161 Batteries, rechargeable, manufacturing employers nationwide with a credible TCR · 9,594 rated employers in Arizona with headcount on file · 1,150 employers in Tucson, AZ · 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 Saft Jacksonville 0.9 TCR
NAICS-TCR QuantumScape Battery, Inc. SJ5 0.9 TCR
NAICS-TCR Oconee SC 0.9 TCR
NAICS-TCR Corporate Office 0.9 TCR
STATE-SIZE Meritage Homes of the Carolinas 89 FTE
STATE-SIZE Meritage Homes of the Carolinas - Raleigh Division 89 FTE
STATE-SIZE City of Kingman Public Works 89 FTE
STATE-SIZE Lyonsroofing 89 FTE
CITY-NEAR University of Arizona 18,951 FTE
CITY-NEAR Raytheon_Tucson_AZ_Airport Site 9,878 FTE
CITY-NEAR Tucson Medical Center 4,407 FTE
CITY-NEAR U.S. Border Patrol Sector - Tucson 3,989 FTE
NAT-TCR Unitro Mfg. Inc. 0.9 TCR
NAT-TCR wc buena park 0.9 TCR
NAT-TCR Rodriguez Farms, Inc. 0.9 TCR
NAT-TCR Upt Okc 0.9 TCR
NAT-SIZE NGMS-T828 89 FTE
NAT-SIZE CA Corp (Western Ops) 89 FTE
NAT-SIZE Central Valley Training Center Modesto 89 FTE
NAT-SIZE Berkeley Nutritional Manufacturing Corporation 89 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, 2022, 2021, 2020, 2019, 2018. 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.