TDU Delivery Charge: TDU stands for transmission and delivery utility — in other words, the utility company in your area that is actually piping the energy from the power generation companies into your home. (Remember, REPs in Texas are just the middleman.) The TDU delivery charge is set by the utility and is consistent from plan to plan and provider to provider within its service areas. For example, AEP , the TDU for Corpus Christi, charges the same delivery fee for all TXU, Direct Energy, and Reliant plans. You don't typically get a choice in utility company, and therefore, these fees are pretty much unavoidable, non-negotiable, and won't factor into choosing an electricity plan or provider.
In environmental impact, results are mixed. With the ability to invest profits to satisfy further energy demand, producers like TXU are proposing eleven new coal-fired powerplants. Coal powerplants are cheaper than natural gas-fired powerplants, but produce more pollution. When the private equity firms Kohlberg Kravis Roberts and the Texas Pacific Group announced the take-over of TXU, the company which was known for charging the highest rates in the state and were losing customers, they called off plans for eight of the coal plants. TXU had invested more heavily in the other three. A few weeks later the buyers announced plans for two cleaner IGCC coal plants.
There are many different options for term lengths in the Texas energy market. Different term lengths often have different price points, so if you’re more flexible with the length of your contract, you could get a cheaper rate. Contracts with shorter term lengths are great if you prefer to avoid a long-term commitment while longer contracts usually provide the benefit of longer-term price stability.
In this free market competing electricity retailers buy electricity wholesale from private power generators to sell at retail to around 85% of Texas residents. The partnership between generators and retailers is governed by the Electric Reliability Council of Texas, or ERCOT, which attempts to balance the power grid’s electricity supply and demand by purchasing small amounts of electricity at 15-minute intervals throughout the day.
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