{"query_echo":{"q":"","filters":{"geography":["Kusile Power Station"]},"warnings":[{"code":"facet_value_not_in_vocabulary","message":"Value 'Kusile Power Station' for facet 'geography' is not in the controlled vocabulary."}]},"total":{"value":6,"relation":"eq"},"page":1,"page_size":20,"self":"https://climateinsightsdirectory.org/api/v1/search?geography=Kusile+Power+Station","stability":"beta","ai_marking":{"digital_source_type":{"uri":"http://cv.iptc.org/newscodes/digitalsourcetype/trainedAlgorithmicMedia","name":"Created using Generative AI"},"notice":"Summary and key insights are generated using artificial intelligence."},"results":[{"id":"cer-000999","url":"https://climateinsightsdirectory.org/document/cer-000999","title":"APPEAL PURSUANT TO SECTION 43(1) OF THE NATIONAL ENVIRONMENTAL MANAGEMENT ACT, 1998, AGAINST THE NATIONAL AIR QUALITY OFFICER’S DECISION REGARDING ESKOM’S APPLICATION FOR POSTPONEMENT OF COMPLIANCE TIMEFRAMES RELATING TO THE NATIONAL ENVIRONMENTAL MANAGEMENT: AIR QUALITY ACT 39 OF 2004 MINIMUM EMISSION STANDARDS","publisher":{"name":"Centre for Environmental Rights","organization":"centre-for-environmental-rights"},"document_type":"statement","language":"en","date_published":"2023-07-05","source_url":"https://cer.org.za/wp-content/uploads/2023/07/gW-and-VEM-Appeal-Submissions-Annexure-A-July.pdf?x21779","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"This document is an appeal submitted by groundWork and the Vukani Environmental Justice Movement in Action against a decision by the National Air Quality Officer (NAQO) to grant Eskom a postponement of compliance with Minimum Emission Standards (MES) for the Kusile Power Station. The Appellants argue that the decision is unlawful, violates constitutional rights to a healthy environment, and was based on flawed health and atmospheric impact assessments and unfounded claims regarding the reduction of load shedding.","ai_generated":true,"unit":"cer-000999#summary","date_modified":"2026-08-17"},"key_insights":[{"text":"The National Air Quality Officer (NAQO) granted Eskom a postponement of compliance with the Minimum Emission Standards (MES) for the Kusile power station from 5 June 2023 to 31 March 2025, allowing a Sulphur Dioxide (SO2) emission limit of 3500 mg/Nm3 while temporary stacks 7, 8, and 9 are used during repairs to the West stack of units 1, 2, and 3.","ai_generated":true,"unit":"cer-000999#insight-1","date_modified":"2026-08-17"},{"text":"The Appellants contend that the postponement is unlawful because the 2017 National Framework for Air Quality Management prohibits such postponements if the ambient air quality in the area does not comply with National Ambient Air Quality Standards (NAAQS), and the Highveld Priority Area (HPA) where Kusile is located remains non-compliant.","ai_generated":true,"unit":"cer-000999#insight-2","date_modified":"2026-08-17"},{"text":"The public participation process is challenged as being insufficient and unfair, citing a reduced 14-day window, inaccessible meeting venues (such as Kendal Power Station, 20km from the affected Phola community), and a lack of documents in local languages.","ai_generated":true,"unit":"cer-000999#insight-3","date_modified":"2026-08-17"},{"text":"The Appellants argue that the Revised Atmospheric Impact Report (RAIR) underestimates pollution impacts by using incomplete emissions inventories for particulate matter and failing to model scenarios for start-up, shutdown, and maintenance.","ai_generated":true,"unit":"cer-000999#insight-4","date_modified":"2026-08-17"},{"text":"A report by the Centre for Research on Energy and Clean Air (CREA) projects that the FGD bypass will cause a 6-fold increase in SO2 emissions, resulting in an estimated 670 excess deaths and 3,000 asthma emergency room visits, with associated societal costs of approximately R16.8 billion.","ai_generated":true,"unit":"cer-000999#insight-5","date_modified":"2026-08-17"},{"text":"The Appellants claim that Eskom's own Health Impact Assessment (HIA) is flawed because it uses an outdated chemical mechanism (RIVAD) in the CALPUFF model, limits its study domain to a 50 km radius, and ignores the impacts of mercury emissions.","ai_generated":true,"unit":"cer-000999#insight-6","date_modified":"2026-08-17"},{"text":"The NAQO's decision is criticized for prioritizing the national electricity crisis and load shedding over public health, which the Appellants argue is an unjustifiable limitation of the constitutional right to a healthy environment under section 24.","ai_generated":true,"unit":"cer-000999#insight-7","date_modified":"2026-08-17"},{"text":"The Appellants dispute Eskom's claim that returning units 1, 2, and 3 to service will significantly reduce load shedding, noting that the plant's average load factor was only 39% prior to the stack failure.","ai_generated":true,"unit":"cer-000999#insight-8","date_modified":"2026-08-17"},{"text":"The appeal asserts that the NAQO failed to impose adequate explicit conditions for mitigation, leaving the approval of Eskom's mitigation plan vague and without guaranteed safeguards for affected communities.","ai_generated":true,"unit":"cer-000999#insight-9","date_modified":"2026-08-17"}],"climate_tags":["energy transition","air quality","coal-fired power","environmental justice","public health"],"geography_discussed":["Phola","Vaal Triangle Priority Air-shed Priority Area","Waterberg-Bojanala Priority Area","Gauteng"],"frame_perspective":[],"analysis_type":["legal appeal","environmental impact analysis"]},{"id":"cer-001568","url":"https://climateinsightsdirectory.org/document/cer-001568","title":"Potential health impacts of bypassing SO2 controls at Kusile","publisher":{"name":"Centre for Environmental Rights","organization":"centre-for-environmental-rights"},"document_type":"briefing","language":"en","date_published":"2023-07","source_url":"https://cer.org.za/wp-content/uploads/2023/07/Kusile-bypass-HIA-with-evaluation-of-Eskom-AIR_Briefing-note_July_2023.pdf?x21779","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","analysis_type"],"summary":{"text":"The document assesses the impact of operating three units at the Kusile power station without Flue Gas Desulfurization (FGD) from December 1, 2023, to March 31, 2025. It finds that this bypass will lead to a 6-fold increase in SO2 emissions and a 40% increase in mercury emissions, resulting in approximately 670 excess deaths and R16.8 billion in economic health damages. The authors argue that Eskom's own health impact estimates are unrealistically low because they use outdated modeling tools, ignore mercury emissions, and only consider a small 50 km geographic radius.","ai_generated":true,"unit":"cer-001568#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Bypassing the Flue Gas Desulfurization (FGD) controls at Kusile is projected to cause a 6-fold increase in SO2 emissions and approximately a 40% increase in mercury emissions.","ai_generated":true,"unit":"cer-001568#insight-1","date_modified":"2026-10-23"},{"text":"The total excess emissions resulting from the exemption are projected to be 280,000 tonnes of SO2 and 7,200 kg of mercury, with the SO2 volume representing nearly 20 years of normal plant operations.","ai_generated":true,"unit":"cer-001568#insight-2","date_modified":"2026-10-23"},{"text":"The bypass is estimated to cause 670 excess deaths from air pollution (95% CI: 430–950) and increase mercury-related deaths from 280 to 400.","ai_generated":true,"unit":"cer-001568#insight-3","date_modified":"2026-10-23"},{"text":"Non-fatal health impacts attributed to the bypass include 3,000 asthma emergency room visits, 1,400 preterm births, 720,000 days of work absence, and 900 years lived with disability.","ai_generated":true,"unit":"cer-001568#insight-4","date_modified":"2026-10-23"},{"text":"The economic cost of health damages due to air pollution from Kusile without FGD is estimated at R16.8 billion (range of R10.3–24.4 billion).","ai_generated":true,"unit":"cer-001568#insight-5","date_modified":"2026-10-23"},{"text":"The authors conclude that Eskom's health impact estimates are unrealistically low because they use the outdated RIVAD chemical mechanism in the CALPUFF model, which can underestimate PM2.5 concentrations by up to 200 times.","ai_generated":true,"unit":"cer-001568#insight-6","date_modified":"2026-10-23"},{"text":"Eskom's analysis is criticized for neglecting mercury emissions and limiting its geographic scope to a 50 km radius, whereas PM2.5 can travel thousands of kilometres.","ai_generated":true,"unit":"cer-001568#insight-7","date_modified":"2026-10-23"}],"climate_tags":["environmental impact of mercury","air pollution","coal-fired power station","particulates","public health"],"geography_discussed":[],"frame_perspective":[],"analysis_type":["health impact assessment","economic impact assessment","emissions modeling"]},{"id":"cer-000367","url":"https://climateinsightsdirectory.org/document/cer-000367","title":"Potential health impacts of bypassing SO2 controls at Kusile","publisher":{"name":"Centre for Environmental Rights","organization":"centre-for-environmental-rights"},"document_type":"briefing","language":"en","date_published":"2023-04","source_url":"https://cer.org.za/wp-content/uploads/2023/07/Annexure-4-CREA-Report.pdf?x21779","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","analysis_type"],"summary":{"text":"The document evaluates the consequences of bypassing Flue Gas Desulfurization (FGD) systems at the Kusile power station. It projects a six-fold increase in SO2 emissions and a 40% increase in mercury emissions, leading to an estimated 670 excess deaths and R16.8 billion in societal costs.","ai_generated":true,"unit":"cer-000367#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Bypassing the Flue Gas Desulfurization (FGD) systems would lead to a projected 6-fold increase in SO2 emissions and approximately a 40% increase in mercury emissions, as FGDs normally capture toxic mercury as a side benefit.","ai_generated":true,"unit":"cer-000367#insight-1","date_modified":"2026-10-23"},{"text":"The total excess emissions resulting from the requested exemption, compared to normal operation at the same utilisation, are projected to be 280,000 tonnes of SO2 and 7,200 kg of mercury. The excess SO2 emissions are equivalent to nearly 20 years of normal plant operations.","ai_generated":true,"unit":"cer-000367#insight-2","date_modified":"2026-10-23"},{"text":"The proposed variation of the Atmospheric Emission License (AEL) is projected to cause 670 excess deaths from air pollution (range: 430–950) compared to operating in accordance with the AEL. Total air pollution-related deaths in the bypass scenario are estimated at 930.","ai_generated":true,"unit":"cer-000367#insight-3","date_modified":"2026-10-23"},{"text":"Beyond mortality, the FGD bypass is projected to cause significant non-fatal health impacts, including 3,000 asthma emergency room visits, 1,400 preterm births, 720,000 days of work absence, and 900 years lived with disability due to stroke, diabetes, and chronic obstructive pulmonary disease.","ai_generated":true,"unit":"cer-000367#insight-4","date_modified":"2026-10-23"},{"text":"The societal costs associated with these projected health impacts are estimated at R16.8 billion, with a confidence interval between R10.3 billion and R24.4 billion.","ai_generated":true,"unit":"cer-000367#insight-5","date_modified":"2026-10-23"}],"climate_tags":["environmental impact of mercury","air pollution","coal-fired power station","public health","particulates"],"geography_discussed":[],"frame_perspective":[],"analysis_type":["health impact assessment","emissions modelling","economic cost analysis"]},{"id":"cer-000335","url":"https://climateinsightsdirectory.org/document/cer-000335","title":"PROPOSED RELEASE OF UNABATED SULPHUR DIOXIDE EMISSIONS FROM KUSILE COAL-FIRED POWER STATION","publisher":{"name":"Centre for Environmental Rights","organization":"centre-for-environmental-rights"},"document_type":"statement","language":"en","date_published":"2023-03-09","source_url":"https://cer.org.za/wp-content/uploads/2023/04/Annexure-1-LAC-Letter-in-response-to-proposed-Kusile-FGD-Stack-Bypass.-9-March-2023.pdf?x21779","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The Life After Coal Campaign opposes Eskom's plan to install temporary bypass stacks at the Kusile power station, which would allow unabated SO2 emissions to restore generating capacity. The campaign argues that this proposal poses grave risks to human health, potentially causing up to 1,362 air pollution-related deaths and R25 billion in societal costs over 36 months at high utilization. They challenge the claim that the bypass will restore 2,160 MW, noting the plant's historical 33% capacity performance. Instead of the bypass, the campaign proposes investing the funds into solar PV and wind installations to accelerate the coal phase-out.","ai_generated":true,"unit":"cer-000335#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Eskom proposes a temporary solution to bypass the flue-gas desulphurisation (FGD) plant at Kusile power station following the October 2022 collapse of a 9-metre diameter flue duct, which rendered units 2 and 3 inoperable.","ai_generated":true,"unit":"cer-000335#insight-1","date_modified":"2026-10-23"},{"text":"The proposed bypass of SO2 pollution abatement equipment is projected to cause significant health impacts and deaths. Based on a report by the Centre for Research on Energy and Clean Air (CREA), the number of air pollution-related deaths would range from 195 (low utilisation for 13 months) to 1,362 (high utilisation for 36 months).","ai_generated":true,"unit":"cer-000335#insight-2","date_modified":"2026-10-23"},{"text":"The societal costs associated with the health impacts of the bypass are estimated between R3.6 billion (low utilisation, 13 months) and R25 billion (high utilisation, 36 months).","ai_generated":true,"unit":"cer-000335#insight-3","date_modified":"2026-10-23"},{"text":"The campaign disputes Eskom's claim that the bypass will restore 2,160 MW of capacity, noting that prior to the failure in 2022, the plant operated at approximately 33% capacity, which is equivalent to 700 MW.","ai_generated":true,"unit":"cer-000335#insight-4","date_modified":"2026-10-23"},{"text":"The bypass would result in an estimated 6-fold increase in SO2 emissions, with total excess emissions ranging from 87,000 to 610,000 tonnes depending on the scenario.","ai_generated":true,"unit":"cer-000335#insight-5","date_modified":"2026-10-23"},{"text":"The Life After Coal Campaign proposes that the funds intended for the bypass stacks be redirected toward a large rooftop solar PV programme in Mpumalanga, including residential and industrial installations, to accelerate the coal phase-out.","ai_generated":true,"unit":"cer-000335#insight-6","date_modified":"2026-10-23"}],"climate_tags":["coal-fired power station","air quality","Coal phase-out","photovoltaics","just transition"],"geography_discussed":["Highveld","Vaal Triangle"],"frame_perspective":[],"analysis_type":["health impact assessment","financial cost-benefit analysis","legal and regulatory review"]},{"id":"cer-000441","url":"https://climateinsightsdirectory.org/document/cer-000441","title":"annexure-c_-gem09_l011_eskom_sumbission_proposed-minimum-emission_standards_feb09-1-59bb62391cb6b41c.pdf","publisher":{"name":"Centre for Environmental Rights","organization":"centre-for-environmental-rights"},"document_type":"statement","language":"en","date_published":null,"source_url":"https://cer.org.za/wp-content/uploads/2014/06/Annexure-C_-GEM09_L011_Eskom_sumbission_proposed-minimum-emission_standards_Feb09-1.pdf?x21779","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed"],"summary":{"text":"A submission from Eskom to Working Group 1 requesting revisions to proposed Minimum Emission Standards for power plants, specifically regarding particulate matter (PM) limits for existing plants and sulfur dioxide (SO2) limits for new plants.","ai_generated":true,"unit":"cer-000441#summary","date_modified":"2026-08-17"},"key_insights":[{"text":"Eskom requests that the minimum particulate matter (PM) emission standard for existing plants be increased from 75 mg/Sm³ to 100 mg/Sm³, noting that some return-to-service stations were designed for 100 mg/Sm³ as agreed with the Department of Environmental Affairs and Tourism.","ai_generated":true,"unit":"cer-000441#insight-1","date_modified":"2026-08-17"},{"text":"Eskom proposes that the 500 mg/Sm³ SO2 minimum emission standard for new plants apply only to pulverised fuel (PF) stations using wet flue gas desulphurisation (FGD). The company argues that resource constraints regarding water and sorbent may necessitate alternative technologies, such as fluidised bed combustion, to maintain the country's power supply.","ai_generated":true,"unit":"cer-000441#insight-2","date_modified":"2026-08-17"},{"text":"Eskom identifies the Kusile power station as a site currently under construction that will likely install wet FGD, making the 500 mg/Sm³ interim SO2 standard applicable to it.","ai_generated":true,"unit":"cer-000441#insight-3","date_modified":"2026-08-17"}],"climate_tags":["energy transition","emission standards","power plants","air quality"],"geography_discussed":["Kusile Power Station"],"frame_perspective":[],"analysis_type":[]},{"id":"cer-001306","url":"https://climateinsightsdirectory.org/document/cer-001306","title":"record-6.1-to-6.2-b073b68dae94a8ee.pdf","publisher":{"name":"Centre for Environmental Rights","organization":"centre-for-environmental-rights"},"document_type":"executive summary","language":"en","date_published":null,"source_url":"https://cer.org.za/wp-content/uploads/2016/05/Record-6.1-to-6.2.pdf?x21779","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"This document is an executive summary and board submission from Eskom dated August 28, 2013, regarding compliance with South Africa's National Emission Standards and Atmospheric Emission Licences (AELs). It outlines the financial and operational impossibility of full compliance by 2020, proposes a partial compliance strategy, and requests permission to continue operating several power stations that are currently in breach of their emission limits.","ai_generated":true,"unit":"cer-001306#summary","date_modified":"2026-08-17"},"key_insights":[{"text":"Eskom determined that full compliance with the 2020 Minimum Emission Standards is not feasible because it would jeopardize the company's sustainability. The primary constraints include a projected electricity tariff increase of more than 25%, the requirement for 150-day outages for all units before April 2020 (meaning 14% of the coal fleet would be offline at any time between 2017 and 2020), and a water deficit in the Vaal River catchment that would prevent the operation of flue gas desulphurisation (FGD) before 2022.","ai_generated":true,"unit":"cer-001306#insight-1","date_modified":"2026-08-17"},{"text":"The estimated capital expenditure (CAPEX) for full compliance with the 2020 limits is approximately R199 billion in 2012 real terms, with additional annual operating expenses (OPEX) of about R6 billion. In contrast, Eskom's proposed partial compliance approach—aiming for 60% compliance—would require a CAPEX of R72 billion in 2012 real terms (or R58 billion excluding the Medupi FGD retrofit) and an OPEX of R950 million.","ai_generated":true,"unit":"cer-001306#insight-2","date_modified":"2026-08-17"},{"text":"To achieve 60% compliance, Eskom proposed a phased retrofit program including fabric filter plant (FFP) retrofits at up to 6 full stations and 2 half stations, De-NOx retrofits at the 4 highest emitting stations, and flue gas desulphurisation (FGD) at Medupi and potentially Kendal.","ai_generated":true,"unit":"cer-001306#insight-3","date_modified":"2026-08-17"},{"text":"Eskom identified several power stations operating illegally due to non-compliance with particulate (ash) emission limits in their Atmospheric Emission Licences (AELs), specifically six units at Kriel Power Station, two units at Duvha Power Station, and occasionally one unit at Matla Power Station. The board was asked for permission to continue operating these units while seeking legal remedies, noting that if permission was not granted by the end of December 2013, at least 3000 MW (all units at Kriel) would need to be shut down.","ai_generated":true,"unit":"cer-001306#insight-4","date_modified":"2026-08-17"},{"text":"The proposed legal strategy for handling non-compliance involves applying for 5-year postponements for standards that can be met eventually, and full exemptions (with more lenient limits) for cases where compliance is not feasible before decommissioning. Eskom also planned to engage government departments, including the Department of Energy, Department of Water Affairs, NERSA, Department of Public Enterprises, and Department of Environmental Affairs.","ai_generated":true,"unit":"cer-001306#insight-5","date_modified":"2026-08-17"},{"text":"Full compliance with the 2020 standards would result in several negative environmental and operational externalities, including the release of over a million additional tons of CO2 due to the wet FGD process and the production of approximately 8.4 million tons of FGD by-products annually.","ai_generated":true,"unit":"cer-001306#insight-6","date_modified":"2026-08-17"}],"climate_tags":["energy transition","air quality","coal-fired power","emission standards","carbon emissions"],"geography_discussed":["Vaal River","Mpumalanga","Nkangala District Municipality","Kriel Power Station","Duvha Power Station","Matla Power Station","Medupi Power Station","Kendal","Grootvlei","Kusile Power Station"],"frame_perspective":[],"analysis_type":["financial impact assessment","regulatory compliance review","operational risk analysis"]}]}