Attempts by Greenpeace Africa activists to hang a massive banner on the Nelson Mandela Bridge in Johannesburg on Tuesday in protest against the inclusion of new coal in the draft Integrated Resource Plan (IRP) 2018 were thwarted by the Johannesburg Metro Police Department (JMPD).Energy Minister Jeff Radebe released the IRP plan for 2018 on Monday for public comment.The IRP 2018 plan details the electricity plan for the period until 2030.The iconic bridge came to a standstill as the JMPD and the fire department tried to get the activists who had climbed up the bridge back down.JMPD is telling the climbers to come down #IRP2018 pic.twitter.com/XCGYXurSMY— Greenpeace Africa (@Greenpeaceafric) August 28, 2018The Nelson Mandela Bridge in JHB is closed and the JMPD is waiting for the fire department to arrive to come and remove our activists #IRP2018 pic.twitter.com/MCdGPzELIO— Greenpeace Africa (@Greenpeaceafric) August 28, 2018JMPD spokesperson Wayne Minnaar told News24 that officers were assisted by the fire department in an attempt to bring the four activists and their manager down.He said there were no arrests, but that the JMPD had fined them R1 000 each for obstruction of justice and R1 500 each for illegal advertising. He said the five were also fined R500 for each of the 20 posters that they had put up on the bridge. Greenpeace Africa said on Twitter that the inclusion of new coal in the draft energy plan would make electricity more expensive for all, and be disastrous for water, health, air quality and climate. The organisation tweeted that the JMPD had taken its posters down. The JMPD presence has grown to a convoy and they have taken down our posters. Still urging climbers at Nelson Mandela Bridge in JHB to come down #IRP2018 pic.twitter.com/3hjIU9tvBv August 28, 2018 According to Greenpeace Africa's tweets, the climbers had gone up the bridge with the intention of placing their banner at the top of the bridge. The big yellow banner read: "More coal, more deaths, no water". They alleged that when their activists dropped the banner, police tore it.Our brave activists dropped the banner and the police tore it #IRP2018 pic.twitter.com/Br84atdp2G— Greenpeace Africa (@Greenpeaceafric) August 28, 2018In a statement released by the Centre for Environmental Rights (CER) on Tuesday, the Life After Coal Campaign – consisting of Earthlife Africa, the CER, groundWork and Greenpeace Africa – said the inclusion of new coal in the updated IRP draft would cost South Africa close to R20bn. The statement read that this was "more than we need to spend, and will make electricity more expensive for all South Africans". "If the Department of Energy were to publish the least-cost plan that civil society organisations have been demanding, it would not include any new coal. Allowing the two new coal plants contemplated by the draft IRP to go ahead would be disastrous for water resources, air quality, health, land, and the climate," said the statement.The Life After Coal Campaign argued that the inclusion of an additional 1 000 MW of new coal-fired power – on top of existing and under-construction coal production – puts the department in conflict with the rights enshrined in the Constitution, "given that there are safer, cleaner, and less expensive energy options available"."While we recognise the increased emphasis on renewable energy in the draft IRP, unless the minister of energy substantially revises and amends the draft IRP to ensure that the constitutional right to a healthy environment is preserved and protected – and specifically excludes any new coal – the department runs the risk of the IRP being challenged in court," warned Melita Steele, senior climate and energy campaign manager at Greenpeace Africa.