Our worldAges 16-18

Clean energy & avoided emissions

Calculate avoided carbon dioxide emissions from clean electricity generation over time. Review suitability for your learners before teaching.

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Worksheet StudioPractice pack · Ages 16-18

Clean energy & avoided emissions

Take your time. Show your thinking.

1. A 12 kW solar panel system runs at full output for 9 hours, displacing grid electricity that emits 290 g of CO₂ per kWh. How many grams of CO₂ are avoided?
12 · 9 h · 290 g · Clean energy & avoided emi…
2. A 7 kW solar panel system runs at full output for 5 hours, displacing grid electricity that emits 280 g of CO₂ per kWh. How many grams of CO₂ are avoided?
7 · 5 h · 280 g · Clean energy & avoided emi…
3. A 8 kW solar panel system runs at full output for 4 hours, displacing grid electricity that emits 440 g of CO₂ per kWh. How many grams of CO₂ are avoided?
8 · 4 h · 440 g · Clean energy & avoided emi…
4. A 13 kW solar panel system runs at full output for 6 hours, displacing grid electricity that emits 430 g of CO₂ per kWh. How many grams of CO₂ are avoided?
13 · 6 h · 430 g · Clean energy & avoided emi…
5. A 10 kW solar panel system runs at full output for 9 hours, displacing grid electricity that emits 450 g of CO₂ per kWh. How many grams of CO₂ are avoided?
10 · 9 h · 450 g · Clean energy & avoided emi…
6. A 3 kW solar panel system runs at full output for 9 hours, displacing grid electricity that emits 280 g of CO₂ per kWh. How many grams of CO₂ are avoided?
3 · 9 h · 280 g · Clean energy & avoided emi…
7. A 6 kW solar panel system runs at full output for 6 hours, displacing grid electricity that emits 280 g of CO₂ per kWh. How many grams of CO₂ are avoided?
6 · 6 h · 280 g · Clean energy & avoided emi…
8. A 6 kW solar panel system runs at full output for 10 hours, displacing grid electricity that emits 400 g of CO₂ per kWh. How many grams of CO₂ are avoided?
6 · 10 h · 400 g · Clean energy & avoided emi…
9. A 3 kW solar panel system runs at full output for 3 hours, displacing grid electricity that emits 370 g of CO₂ per kWh. How many grams of CO₂ are avoided?
3 · 3 h · 370 g · Clean energy & avoided emi…
10. A 6 kW solar panel system runs at full output for 10 hours, displacing grid electricity that emits 450 g of CO₂ per kWh. How many grams of CO₂ are avoided?
6 · 10 h · 450 g · Clean energy & avoided emi…
11. A 15 kW solar panel system runs at full output for 3 hours, displacing grid electricity that emits 480 g of CO₂ per kWh. How many grams of CO₂ are avoided?
15 · 3 h · 480 g · Clean energy & avoided emi…
12. A 6 kW solar panel system runs at full output for 4 hours, displacing grid electricity that emits 310 g of CO₂ per kWh. How many grams of CO₂ are avoided?
6 · 4 h · 310 g · Clean energy & avoided emi…

12 questions · Seed 43 · Age guidance, not curriculum certification

View the answer key

Worksheet StudioAnswer key · Ages 16-18

Clean energy & avoided emissions

Answers and reasoning. Review before teaching.

1. A 12 kW solar panel system runs at full output for 9 hours, displacing grid electricity that emits 290 g of CO₂ per kWh. How many grams of CO₂ are avoided?
31320 g
Energy generated = 12 kW × 9 h = 108 kWh. Avoided CO₂ = 108 × 290 g = 31320 g.
2. A 7 kW solar panel system runs at full output for 5 hours, displacing grid electricity that emits 280 g of CO₂ per kWh. How many grams of CO₂ are avoided?
9800 g
Energy generated = 7 kW × 5 h = 35 kWh. Avoided CO₂ = 35 × 280 g = 9800 g.
3. A 8 kW solar panel system runs at full output for 4 hours, displacing grid electricity that emits 440 g of CO₂ per kWh. How many grams of CO₂ are avoided?
14080 g
Energy generated = 8 kW × 4 h = 32 kWh. Avoided CO₂ = 32 × 440 g = 14080 g.
4. A 13 kW solar panel system runs at full output for 6 hours, displacing grid electricity that emits 430 g of CO₂ per kWh. How many grams of CO₂ are avoided?
33540 g
Energy generated = 13 kW × 6 h = 78 kWh. Avoided CO₂ = 78 × 430 g = 33540 g.
5. A 10 kW solar panel system runs at full output for 9 hours, displacing grid electricity that emits 450 g of CO₂ per kWh. How many grams of CO₂ are avoided?
40500 g
Energy generated = 10 kW × 9 h = 90 kWh. Avoided CO₂ = 90 × 450 g = 40500 g.
6. A 3 kW solar panel system runs at full output for 9 hours, displacing grid electricity that emits 280 g of CO₂ per kWh. How many grams of CO₂ are avoided?
7560 g
Energy generated = 3 kW × 9 h = 27 kWh. Avoided CO₂ = 27 × 280 g = 7560 g.
7. A 6 kW solar panel system runs at full output for 6 hours, displacing grid electricity that emits 280 g of CO₂ per kWh. How many grams of CO₂ are avoided?
10080 g
Energy generated = 6 kW × 6 h = 36 kWh. Avoided CO₂ = 36 × 280 g = 10080 g.
8. A 6 kW solar panel system runs at full output for 10 hours, displacing grid electricity that emits 400 g of CO₂ per kWh. How many grams of CO₂ are avoided?
24000 g
Energy generated = 6 kW × 10 h = 60 kWh. Avoided CO₂ = 60 × 400 g = 24000 g.
9. A 3 kW solar panel system runs at full output for 3 hours, displacing grid electricity that emits 370 g of CO₂ per kWh. How many grams of CO₂ are avoided?
3330 g
Energy generated = 3 kW × 3 h = 9 kWh. Avoided CO₂ = 9 × 370 g = 3330 g.
10. A 6 kW solar panel system runs at full output for 10 hours, displacing grid electricity that emits 450 g of CO₂ per kWh. How many grams of CO₂ are avoided?
27000 g
Energy generated = 6 kW × 10 h = 60 kWh. Avoided CO₂ = 60 × 450 g = 27000 g.
11. A 15 kW solar panel system runs at full output for 3 hours, displacing grid electricity that emits 480 g of CO₂ per kWh. How many grams of CO₂ are avoided?
21600 g
Energy generated = 15 kW × 3 h = 45 kWh. Avoided CO₂ = 45 × 480 g = 21600 g.
12. A 6 kW solar panel system runs at full output for 4 hours, displacing grid electricity that emits 310 g of CO₂ per kWh. How many grams of CO₂ are avoided?
7440 g
Energy generated = 6 kW × 4 h = 24 kWh. Avoided CO₂ = 24 × 310 g = 7440 g.

12 questions · Seed 43 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 16-18

Clean energy & avoided emissions

Take your time. Show your thinking.

1. A 12 kW solar panel system runs at full output for 9 hours, displacing grid electricity that emits 290 g of CO₂ per kWh. How many grams of CO₂ are avoided?
12 · 9 h · 290 g · Clean energy & avoided emi…
2. A 7 kW solar panel system runs at full output for 5 hours, displacing grid electricity that emits 280 g of CO₂ per kWh. How many grams of CO₂ are avoided?
7 · 5 h · 280 g · Clean energy & avoided emi…
3. A 8 kW solar panel system runs at full output for 4 hours, displacing grid electricity that emits 440 g of CO₂ per kWh. How many grams of CO₂ are avoided?
8 · 4 h · 440 g · Clean energy & avoided emi…
4. A 13 kW solar panel system runs at full output for 6 hours, displacing grid electricity that emits 430 g of CO₂ per kWh. How many grams of CO₂ are avoided?
13 · 6 h · 430 g · Clean energy & avoided emi…
5. A 10 kW solar panel system runs at full output for 9 hours, displacing grid electricity that emits 450 g of CO₂ per kWh. How many grams of CO₂ are avoided?
10 · 9 h · 450 g · Clean energy & avoided emi…
6. A 3 kW solar panel system runs at full output for 9 hours, displacing grid electricity that emits 280 g of CO₂ per kWh. How many grams of CO₂ are avoided?
3 · 9 h · 280 g · Clean energy & avoided emi…
7. A 6 kW solar panel system runs at full output for 6 hours, displacing grid electricity that emits 280 g of CO₂ per kWh. How many grams of CO₂ are avoided?
6 · 6 h · 280 g · Clean energy & avoided emi…
8. A 6 kW solar panel system runs at full output for 10 hours, displacing grid electricity that emits 400 g of CO₂ per kWh. How many grams of CO₂ are avoided?
6 · 10 h · 400 g · Clean energy & avoided emi…
9. A 3 kW solar panel system runs at full output for 3 hours, displacing grid electricity that emits 370 g of CO₂ per kWh. How many grams of CO₂ are avoided?
3 · 3 h · 370 g · Clean energy & avoided emi…
10. A 6 kW solar panel system runs at full output for 10 hours, displacing grid electricity that emits 450 g of CO₂ per kWh. How many grams of CO₂ are avoided?
6 · 10 h · 450 g · Clean energy & avoided emi…
11. A 15 kW solar panel system runs at full output for 3 hours, displacing grid electricity that emits 480 g of CO₂ per kWh. How many grams of CO₂ are avoided?
15 · 3 h · 480 g · Clean energy & avoided emi…
12. A 6 kW solar panel system runs at full output for 4 hours, displacing grid electricity that emits 310 g of CO₂ per kWh. How many grams of CO₂ are avoided?
6 · 4 h · 310 g · Clean energy & avoided emi…

12 questions · Seed 43 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 16-18

Clean energy & avoided emissions

Answers and reasoning. Review before teaching.

1. A 12 kW solar panel system runs at full output for 9 hours, displacing grid electricity that emits 290 g of CO₂ per kWh. How many grams of CO₂ are avoided?
31320 g
Energy generated = 12 kW × 9 h = 108 kWh. Avoided CO₂ = 108 × 290 g = 31320 g.
2. A 7 kW solar panel system runs at full output for 5 hours, displacing grid electricity that emits 280 g of CO₂ per kWh. How many grams of CO₂ are avoided?
9800 g
Energy generated = 7 kW × 5 h = 35 kWh. Avoided CO₂ = 35 × 280 g = 9800 g.
3. A 8 kW solar panel system runs at full output for 4 hours, displacing grid electricity that emits 440 g of CO₂ per kWh. How many grams of CO₂ are avoided?
14080 g
Energy generated = 8 kW × 4 h = 32 kWh. Avoided CO₂ = 32 × 440 g = 14080 g.
4. A 13 kW solar panel system runs at full output for 6 hours, displacing grid electricity that emits 430 g of CO₂ per kWh. How many grams of CO₂ are avoided?
33540 g
Energy generated = 13 kW × 6 h = 78 kWh. Avoided CO₂ = 78 × 430 g = 33540 g.
5. A 10 kW solar panel system runs at full output for 9 hours, displacing grid electricity that emits 450 g of CO₂ per kWh. How many grams of CO₂ are avoided?
40500 g
Energy generated = 10 kW × 9 h = 90 kWh. Avoided CO₂ = 90 × 450 g = 40500 g.
6. A 3 kW solar panel system runs at full output for 9 hours, displacing grid electricity that emits 280 g of CO₂ per kWh. How many grams of CO₂ are avoided?
7560 g
Energy generated = 3 kW × 9 h = 27 kWh. Avoided CO₂ = 27 × 280 g = 7560 g.
7. A 6 kW solar panel system runs at full output for 6 hours, displacing grid electricity that emits 280 g of CO₂ per kWh. How many grams of CO₂ are avoided?
10080 g
Energy generated = 6 kW × 6 h = 36 kWh. Avoided CO₂ = 36 × 280 g = 10080 g.
8. A 6 kW solar panel system runs at full output for 10 hours, displacing grid electricity that emits 400 g of CO₂ per kWh. How many grams of CO₂ are avoided?
24000 g
Energy generated = 6 kW × 10 h = 60 kWh. Avoided CO₂ = 60 × 400 g = 24000 g.
9. A 3 kW solar panel system runs at full output for 3 hours, displacing grid electricity that emits 370 g of CO₂ per kWh. How many grams of CO₂ are avoided?
3330 g
Energy generated = 3 kW × 3 h = 9 kWh. Avoided CO₂ = 9 × 370 g = 3330 g.
10. A 6 kW solar panel system runs at full output for 10 hours, displacing grid electricity that emits 450 g of CO₂ per kWh. How many grams of CO₂ are avoided?
27000 g
Energy generated = 6 kW × 10 h = 60 kWh. Avoided CO₂ = 60 × 450 g = 27000 g.
11. A 15 kW solar panel system runs at full output for 3 hours, displacing grid electricity that emits 480 g of CO₂ per kWh. How many grams of CO₂ are avoided?
21600 g
Energy generated = 15 kW × 3 h = 45 kWh. Avoided CO₂ = 45 × 480 g = 21600 g.
12. A 6 kW solar panel system runs at full output for 4 hours, displacing grid electricity that emits 310 g of CO₂ per kWh. How many grams of CO₂ are avoided?
7440 g
Energy generated = 6 kW × 4 h = 24 kWh. Avoided CO₂ = 24 × 310 g = 7440 g.

12 questions · Seed 43 · Age guidance, not curriculum certification