German Economy Minister Robert Habeck says the nation’s power supply is more independent than before the energy crisis and is secure even after several coal-fired power plants have been shut down. “That means several coal-fired power plants that were still on the grid as a precautionary measure over the last two years are superfluous and can be taken off the grid for good,” he told dpa on Monday. The prices for electricity and gas have fallen significantly and the expansion of renewable energies means that “the majority of electricity now comes from clean, climate-friendly sources,” said Habec…