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Table 5 Environmental impacts from the production of hydropower electricity (Ecoinvent v.3.6 database)

From: Life cycle analysis of potential municipal solid wastes management scenarios in Tanzania: the case of Arusha City

Category

Unit

Value

1 kWh*

43.55 kWh*

135.35 kWha

SN-1 (RCL_LF)

SN-3 (RCL_AD_LF)

Fresh water eutrophication

kg P eq

1.6 × 10 - 6

6.8 × 10 - 5

2.1 × 10 - 4

Human toxicity

kg1,4-DCB eq

2.1 × 10 - 3

0.09

0.28

Particulate matter formation

kg PM10

2.1 × 10 - 5

9.0 × 10 - 4

2.8 × 10 −3

Fresh water ecotoxicity

kg 1,4-DCB eq

1.8 × 10 - 4

8.0 × 10 - 3

0.03

Climate change

kg CO2 eq

0.06

2.83

8.91

Terrestrial ecotoxicity

kg 1,4-DCB eq

5.3 × 10 - 7

2.3 × 10 - 5

7.3 × 10 - 5

Photochemical oxidant formation

kg NMVOC eq

3.8 × 10 - 5

1.7 × 10 - 3

5.2 × 10 - 3

Terrestrial acidification

kg SO2 eq

2.1 × 10 - 5

9.2 × 10 - 4

2.9 × 10 - 3

  1. SN Scenario, RCL Recycling, LF Landfilling, CP Composting, AD Anaerobic digestion, DCB Dichlorobenzene, NMVOC Non-methane volatile organic compounds
  2. a Quantity of hydropower electricity contributing to the environmental impacts