Enterprise Products Partners (EPD -0.30%) is a financial fortress. The master limited partnership (MLP) has the highest credit rating in the midstream energy space. That allows it to raise capital at lower rates and better terms than financially weaker rivals. That strength also gives it the flexibility to pay a high-yielding distribution (currently 7.5%) while funding growth. It recently flexed those muscles by raising $2 billion in low-cost debt. That further enhanced its financial flexibility, and put it ...