These two dividend stocks and an ETF are packed with way more passive income potential than the S&P 500.The S&P 500 yields just 1.3%, as growth companies that don't pay dividends or that sport low yields have grown to make up a larger portion of the index. Investors who use dividends to supplement income in retirement or rely on a passive income stream for financial planning may turn to other pockets of the market for a higher yield.The energy sector has a nice balance of yield and value, as many oil and ga ...