Wow, that's a whopper of a bill, I can see why you'd like to find your grandmother help. Your best bet is to start by contacting your grandmother's electric company directly and asking. Many power companies have rate or payment programs for the low-income or disabled. I'd also try the Eldercare Locator, a government referral service providing local information on all kinds of senior services. Use this link to find the office nearest your grandmother. Best of luck.