<Table> Development of the EEG surcharge <Tr> <Th> Year </Th> <Th> 2003 </Th> <Th> </Th> <Th> 2005 </Th> <Th> 2006 </Th> <Th> 2007 </Th> <Th> 2008 </Th> <Th> 2009 </Th> <Th> </Th> <Th> 2011 </Th> <Th> 2012 </Th> <Th> 2013 </Th> <Th> 2014 </Th> <Th> 2015 </Th> <Th> 2016 </Th> <Th> 2017 </Th> </Tr> <Tr> <Td> EEG surcharge (¢ / kWh) </Td> <Td> 0.410 </Td> <Td> 0.580 </Td> <Td> 0.680 </Td> <Td> 0.880 </Td> <Td> 1.020 </Td> <Td> 1.120 </Td> <Td> 1.130 </Td> <Td> 2.047 </Td> <Td> 3.530 </Td> <Td> 3.592 </Td> <Td> 5.277 </Td> <Td> 6.240 </Td> <Td> 6.170 </Td> <Td> 6.354 </Td> <Td> 6.880 </Td> </Tr> <Tr> <Td> Change from prior year (%) </Td> <Td>--</Td> <Td> 41.5 </Td> <Td> 17.2 </Td> <Td> 29.4 </Td> <Td> 15.9 </Td> <Td> 09.8 </Td> <Td> 00.9 </Td> <Td> 81.2 </Td> <Td> 72.4 </Td> <Td> 01.8 </Td> <Td> 46.9 </Td> <Td> 18.2 </Td> <Td> − 1.1 </Td> <Td> 3.0 </Td> <Td> 8.3 </Td> </Tr> </Table> <Tr> <Th> Year </Th> <Th> 2003 </Th> <Th> </Th> <Th> 2005 </Th> <Th> 2006 </Th> <Th> 2007 </Th> <Th> 2008 </Th> <Th> 2009 </Th> <Th> </Th> <Th> 2011 </Th> <Th> 2012 </Th> <Th> 2013 </Th> <Th> 2014 </Th> <Th> 2015 </Th> <Th> 2016 </Th> <Th> 2017 </Th> </Tr> <Tr> <Td> EEG surcharge (¢ / kWh) </Td> <Td> 0.410 </Td> <Td> 0.580 </Td> <Td> 0.680 </Td> <Td> 0.880 </Td> <Td> 1.020 </Td> <Td> 1.120 </Td> <Td> 1.130 </Td> <Td> 2.047 </Td> <Td> 3.530 </Td> <Td> 3.592 </Td> <Td> 5.277 </Td> <Td> 6.240 </Td> <Td> 6.170 </Td> <Td> 6.354 </Td> <Td> 6.880 </Td> </Tr> <Tr> <Td> Change from prior year (%) </Td> <Td>--</Td> <Td> 41.5 </Td> <Td> 17.2 </Td> <Td> 29.4 </Td> <Td> 15.9 </Td> <Td> 09.8 </Td> <Td> 00.9 </Td> <Td> 81.2 </Td> <Td> 72.4 </Td> <Td> 01.8 </Td> <Td> 46.9 </Td> <Td> 18.2 </Td> <Td> − 1.1 </Td> <Td> 3.0 </Td> <Td> 8.3 </Td> </Tr>

What was one effect of germany’s renewable energy act of 1999