Bengaluru: Putting the onus for Karnataka's major power scarcity on its government, Union energy minister Piyush Goyal on Friday claimed that the state administration had declined the Centre's offer to sell it unallocated power during a a crisis in March.Amid power cuts punctuating his nationwide address to the press through a video-conference on Friday, the minister highlighted the Narendra Modi government's two-year achievements in the sector. He said the government now aims for 24x7 affordable and environment-friendly power by 2019.However, while asserting that southern states have benefited from the increase in coal availability and helped them combat power shortage during drought, Goyal said: "Karnataka is a small exception because when power supply was offered to the state during such a situation, it refused to accept it."However, the minister didn't say at what cost the power was offered to be sold to the state government.Citing the fire accident at Sharavathi generating station in Shivamogga which exacerbated Karnataka's energy woes in March, Goyal explained: "After the incident, Union ministers DV Sadananda Gowda and Ananth Kumar proposed to supply 200 MW of power from the unallocated supply of the southern grid to the state, which was facing acute water shortage as well. Unfortunately, for reasons best known to it, the state government refused the offer."