The debate was held immediately after a feature in which the Ringhals nuclear power plant's owners, Swedish Vattenfall and German Uniper, opened for continued nuclear power after 2040.
However, the Minister for the Environment was not interested.
"I am not surprised that the nuclear power industry wants to keep the door open for political parties like the Moderates and others willing to invest huge sums of taxpayer money to drive reactors," Lövin said.
"Market meltdown"- Investments in new nuclear power today are a meltdown in the market, in terms of market, no market player will want to go in, but then we have to subsidize the taxpayers' money, she said.
Kristersson did not agree with that description.
- No one today is proposing subsidies. On the other hand, we are subsidizing wind power violently today to give it a chance, otherwise no one would have invested in wind power, he said.
"Needed for climate change"Kristersson called the ongoing decommissioning of two reactors in Ringhals a "historical mistake" and a "total failure".
He said the closure would intensify the regional power shortage problems in southern Sweden in the coming years, and argued that it would be impossible to cope with the climate change if nuclear power were to be completely shut down by 2040.
"You talk in the night cap, we have every chance to increase energy production in Sweden," said Lövin, who paid tribute to the expansion of wind power and referred to experiences of expensive and unprofitable nuclear power projects in Finland and the UK.
Renewable or fossil-free after 2040?Much of the discussion was about the 2016 energy agreement, both of which were at the time.
According to the agreement, all electricity generation in Sweden should be renewable in 2040, which Kristersson and the Moderates now want to change to “fossil-free” to enable longer life for nuclear power.
Lövin replied that it is completely out of the question to change the agreement in that way.
More about the future of nuclear power plants in Sunday's Agenda.