Classroom example ENMAX
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Ask the classFor you
About ENMAXFor you
SourcesWhy use the heat left over from making electricity to make more electricity?
ENMAX · Company identifies Shepard Energy Centre in southeast Calgary; joint venture with Capital Power, operated by ENMAX.
Where it fits
Pick your class- Science 10 · Unit B, outcome 3 — energy conservation and thermal-system efficiency
How it works
Schematic · not to scale
The heat leaving one machine can become an input to another.
Natural gas supplies energy to a gas-turbine stage, which drives electrical generation.
Hot exhaust still carries energy after that first stage.
Heat recovery uses some of that exhaust energy to make steam for another turbine and generator.
Additional electrical output comes from the same initial energy supply, but losses and heat rejection remain. A complete energy account must include them.
The numbers are invented and are not Shepard performance data. Distinguish energy from power; do not use MW as if it were an amount of energy. A power engineer is an operational profession with its own certification path, distinct from professional engineering registration.
The lesson, in the real world
The heat leaving one machine can become an input to another.
- 1
Natural gas supplies energy to a gas-turbine stage, which drives electrical generation.
Our explanation - 2
Hot exhaust still carries energy after that first stage.
Our explanation - 3
Heat recovery uses some of that exhaust energy to make steam for another turbine and generator.
Our explanation - 4
Additional electrical output comes from the same initial energy supply, but losses and heat rejection remain. A complete energy account must include them.
Our explanation
Who does this work
Role
Process and plant operations
Keep processing equipment running safely and learn from its measurements.
Operators put a process into practice. They inspect equipment, record operating conditions and work with engineers and maintenance teams when results differ from what was expected.
What might you actually do?
Monitor the process
Take readings and inspect equipment for signs of unusual behaviour.
Keep useful records
Document conditions and events so results can be compared across shifts and tests.
Troubleshoot safely
Report problems, support maintenance and help with commissioning or start-up work.
Typical of this kind of work in general. Not a description of any one person’s job at ENMAX.
- Often works with
- Process engineersMaintenance techniciansLaboratory staffSafety teams
- Classroom connection
- A separation method must work repeatedly. Careful measurements help explain why performance changes between trials.
Related job postings
Similar work at other employers in Calgary, AB, not openings at ENMAX. These are live searches: results change daily and we have not checked them.
- Plant operatorIndeed search for Plant operator (opens in a new tab)Job Bank search for Plant operator (opens in a new tab)
- Process operatorIndeed search for Process operator (opens in a new tab)Job Bank search for Process operator (opens in a new tab)
- Power engineerIndeed search for Power engineer (opens in a new tab)Job Bank search for Power engineer (opens in a new tab)
How to prepare
Power Engineering Technology
SAIT
Ways in
For your students
Ways to prepare for this work
Programs that teach skills this work uses. Each is one route in, not a requirement, and no program has endorsed this page.
Showing routes for process and plant operations. Show all
SAITDiplomaCalgary
Power Engineering Technology
Thermal-energy systems and plant operations.
About this route
Power-engineer certification requires its applicable exams and experience; this is distinct from a professional engineering degree. Check current admissions and intake before applying; this draft does not promise entry or employment.
Why it connects to the work · our interpretation
Process and plant operationsThermal-energy systems and plant operations. Energy diagrams become real operating systems with constraints and losses.
Ask the class
Use it in class
Ask the class
Why does adding a second generating stage not mean that the plant has created extra energy?
Use a fictional energy budget: input 100 units; first electrical output 35; second electrical output 20; remaining 45 to other transfers. Compare 35% and 55% model efficiencies and explain where the second stage's input comes from.
Mindset it shows
The numbers are invented and are not Shepard performance data. Distinguish energy from power; do not use MW as if it were an amount of energy. A power engineer is an operational profession with its own certification path, distinct from professional engineering registration.
About ENMAX
The heat leaving one machine can become an input to another.
- Headquarters
- Headquarters not separately verified for this example.
- Local connection
- Company identifies Shepard Energy Centre in southeast Calgary; joint venture with Capital Power, operated by ENMAX.
- Source: enmax.com — natural gas fuelled(opens in a new tab); enmax.com — generation(opens in a new tab); enmax.com — careers(opens in a new tab); alis.alberta.ca — power engineer(opens in a new tab)
- Team size
- Not verified. We have not found a dated, sourced figure.
- The problem
- Why use the heat left over from making electricity to make more electricity?
- Source: enmax.com — natural gas fuelled(opens in a new tab); enmax.com — generation(opens in a new tab); enmax.com — careers(opens in a new tab); alis.alberta.ca — power engineer(opens in a new tab)
- What they do
- Generate power with gas turbines and recover exhaust heat to drive a steam turbine.
- Source: enmax.com — natural gas fuelled(opens in a new tab); enmax.com — generation(opens in a new tab); enmax.com — careers(opens in a new tab); alis.alberta.ca — power engineer(opens in a new tab)
- Who uses it
- People and organizations supplied by Alberta's electrical grid.
- Source: enmax.com — natural gas fuelled(opens in a new tab); enmax.com — generation(opens in a new tab); enmax.com — careers(opens in a new tab); alis.alberta.ca — power engineer(opens in a new tab)
ENMAX operates Shepard Energy Centre, a combined-cycle natural-gas generating facility in southeast Calgary, through a joint venture with Capital Power. Its generation information describes gas turbines and a steam turbine. The classroom story follows the energy: exhaust heat from the first stage helps produce additional electricity in the next. It does not present this as zero-emission or loss-free generation.
Source: enmax.com — natural gas fuelled(opens in a new tab); enmax.com — generation(opens in a new tab); enmax.com — careers(opens in a new tab); alis.alberta.ca — power engineer(opens in a new tab)Read each source’s date and scope: a documented role is not proof of a current vacancy or of where every position is based.
Reported as ENMAX states it. ENMAX has not reviewed or endorsed this page.
Sources and course fit
Sources checked 18 Oct 2026
Where it fits
- Science 10 · Unit B, outcome 3 — energy conservation and thermal-system efficiency
Editorial mapping to published CBE course topics. Pending educator review. No outcome-code alignment is claimed.
Sources
- enmax.com — natural gas fuelled(opens in a new tab)
- enmax.com — generation(opens in a new tab)
- enmax.com — careers(opens in a new tab)
- alis.alberta.ca — power engineer(opens in a new tab)
- SAIT — Power Engineering Technology(opens in a new tab)
- SAIT — Instrumentation Engineering Technology(opens in a new tab)
- University of Calgary — Mechanical Engineering(opens in a new tab)
- education.alberta.ca — science10.pdf(opens in a new tab)
Organization claims are reported as the organization states them. ENMAX has not reviewed or endorsed this page.
What we know, and how
| Type | Claim | How we know |
|---|---|---|
| work | ENMAX operates Shepard Energy Centre, a combined-cycle natural-gas generating facility in southeast Calgary, through a joint venture with Capital Power. Its generation information describes gas turbines and a steam turbine. The classroom story follows the energy: exhaust heat from the first stage helps produce additional electricity in the next. It does not present this as zero-emission or loss-free generation.Source: enmax.com — natural gas fuelled; enmax.com — generation; enmax.com — careers; alis.alberta.ca — power engineer | Company-stated work with source limits preserved |
| local connection | Company identifies Shepard Energy Centre in southeast Calgary; joint venture with Capital Power, operated by ENMAX.Source: enmax.com — natural gas fuelled; enmax.com — generation; enmax.com — careers; alis.alberta.ca — power engineer | Source-backed Calgary connection |
| course fit | The program explicitly uses thermal power plants and technological energy conversions. Combined-cycle equipment provides a concrete application; plant-specific performance is not asserted.Source: education.alberta.ca — science10.pdf | Editorial application of source-checked curriculum concepts |
| limits | Do not claim an available site visit, guaranteed co-op placement or product efficiency. Keep joint-venture ownership and ENMAX's operator role clear.Source: enmax.com — natural gas fuelled; enmax.com — generation; enmax.com — careers; alis.alberta.ca — power engineer | Scope of this example |
Solid green: the organization states it. Outlined: seen in a dated source. Dashed: our interpretation, not yet researched, or announced but not yet real.