Rochester Gas & Electric’s bid to raise electricity and gas delivery rates by double digits has sparked a wave of opposition from city leaders, community advocates and residents who say the proposal would deepen financial hardships for families already stretched thin. Members of Metro Justice in front of City Hall, Tuesday protesting RG&E rate increaseRG&E is seeking a 26 percent increase in electric delivery rates and a 22.2 percent hike for natural gas, adding about $52 a month to the average household bill. “While I oppose RG&E’s proposed rate increases for many reasons, I recognize that our community’s aging infrastructure does require investment,” Meléndez said. The company announced this week a $17.6 million upgrade to Substation 51 in Irondequoit, which powers more than 2,000 customers including Seabreeze Amusement Park. “These investments will enhance capabilities for residential and commercial customers,” said Larissa Rosario, RG&E business unit manager.