Bombing of Coruscant ' s central power distribution grid During the Clone Wars , a bombing occurred on the Republic capital Coruscant of the planet ' s central power distribution grid . The attack was planned by Count Dooku to disrupt the peace initiative occurring between the Republic and the Separatist Alliance . Under orders from General Grievous , six demolition droid s infiltrated the power generator , killing the engineers and setting themselves to self - destruct . As they did so , they caused the generator to detonate , setting off fires across Coruscant and cutting power to large sections of the city - planet . After it was confirmed to the Republic Senate the attack was committed by the Separatists , the peace process fell apart . Prelude . In 21 BBY , the Repubulic Senator Gume Saam proposed a bill that would open up new lines of credit with the InterGalactic Banking Clan in order produce more troopers for the Republic ' s Grand Army . However , Senator Padmé Amidala suggested that they negotiate with the Confederacy and Senator Bail Organa put a halt on the vote until matter has been cleared . Saam spoke with his fellow supporters , Senators Lott Dod and Nix Card about the vote . Saam suggests they take out Amidala , but Card knew that the Senate would not de - regulate the banks . Thus , they agreed to bring the war to Coruscant , knowing that it has not been attacked in over a thousand years . Thus , they contacted the Confederacy ' s leader , Count Dooku . Dooku , at the behest of Lord Sidious , tasked General Grievous with planning the attack . During this time , Senator Amidala and Padawan Ahsoka Tano then went to the Confederacy ' s capital , Raxus . There , they met Onderon ' s Senator Mina Bonteri , who told them that the Separatist Senate was debating the same thing . At a session of the senate at Senate Building in Raxulon , the Senate , despite the Corporate Alliance ' s Senator Voe Atell ' s objections voted yes to open negotiations with the Republic with Dooku ' s support . Amidala and Tano then returned to Coruscant and informed Chancellor Palpatine of the Confederacy ' s peace proposal . Saam , Card , and Dodd then spoke to Dooku about the proposal and how it would derail their bill . Dooku assured them that after their attack , chances of peace will disappear . The Mission . Grievous then sent in a team of Demolition droid s . Grievous then assured Dooku and Card that would complete his mission . The droids , disguised as sweeper droids , were able to be taken to Coruscant . There they were able to slip past Commander " Fox " and his Coruscant Guard . They then made their way to the Central power distribution grid . They then attacked the engineers stationed and killed them all . During that time , Senators Amidala , Organa , and Onaconda Farr then spoke to the Republic Senate on the Confederacy ' s peace proposal . Vice Chair man Mas Amedda accepted it and the other Senators were allowed to vote . However , seconds later , the demolition droids carried out their mission and destroyed themeselves and the generators . Large areas of Coruscant were turned dark and the red emergency lights turned , alerting the senate of the attack . Ryloth Senator Orn Free Taa shouted that they were under attack . Soon , Senator Saam announced that the attack had been confirmed as a Separatist one , and Senator Kamino Halle Burtoni proposed to vote on the bill to deregulate the banks . Amidala attempted to stop the process , but to no avail , as more and more Senators began to support Burtoni ' s proposal . Supreme Chancellor Palpatine approved the suggestion , thus ending the debate over the subject . Aftermath . The Banks were deregulated in order to finance more troops for war . Amidala then attempted to have the senate resume their negotiations with the Confederacy despite Umbara ' s senator Mee Deechi asking if she had Separatist friends . However , Dooku contacted the senate , saying that the Republic has launched their own attack on the Confederacy ' s people , killing the proposal ' s sponsor , Mina Bonteri .