Stored Energy Release Hazards
A safety talk focused on stored energy hazards, including pressure, springs, gravity, electrical charge, hydraulic systems, pneumatic systems, tension, and safe energy release before work.
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Key Hazards
- Pressure release from hydraulic, pneumatic, water, steam, or chemical systems
- Gravity hazards from raised, suspended, or unstable loads
- Spring tension or mechanical stored energy releasing suddenly
- Electrical energy remaining in capacitors, batteries, or circuits
- Stored tension in cables, ropes, belts, chains, or compressed parts
- Workers assuming equipment is safe because it is turned off
2–3 Minute Talk Script
Stored energy can remain in equipment even after it is shut down. Turning something off does not always make it safe.
Stored energy can exist as pressure, gravity, electricity, heat, tension, springs, compressed air, hydraulic pressure, trapped liquid, or moving parts that can shift.
Workers should identify energy sources before maintenance, repair, cleaning, clearing jams, or opening equipment.
Lockout/tagout may be required when stored energy could injure a worker during service or maintenance.
Pressure should be relieved safely before disconnecting hoses, opening lines, removing caps, or loosening fittings.
Raised or suspended parts should be blocked, cribbed, lowered, or otherwise secured before anyone works under or near them.
Tensioned components such as belts, chains, cables, springs, and loaded parts should be released or controlled according to procedure.
Safe stored energy control depends on recognizing hidden energy, isolating the source, releasing or securing the energy, verifying zero energy, and stopping work when energy status is uncertain.
Safety Reminders
- Identify all stored energy sources before work begins.
- Do not assume equipment is safe because it is off.
- Use lockout/tagout when required.
- Relieve pressure before opening or disconnecting systems.
- Block or lower raised parts before working near them.
- Control springs, cables, chains, belts, and tensioned parts.
- Verify energy is controlled before starting the task.
Ask the Crew
- What stored energy could remain in this equipment?
- Does the task require lockout/tagout?
- Has pressure been relieved safely?
- Are raised or suspended parts secured?
- How will the crew verify zero or controlled energy?