Technology also provides a long-term answer, even if it contributes to the problem in the short-term, as described earlier. As renewable power and storage technologies become cheaper and more efficient they will gradually allow for the implementation of cheaper mini-grids and smart grids, increasingly within the reach of the really poor, even in urban areas. Perhaps, grids will one day become marketplaces allowing people to sell excess power from their solar installations to those who have a need for power at that time. Prices can be set dynamically to allow supply to match demand.
For example, shoppers for Texas electricity plans in the 77494 ZIP code in Katy, TX, could find 12-month plans for 6.8 cents/kWh in February; by June, electricity rates had increased 27 percent to 9.3 cents/kWh. As of early September, 12-month plans were up again, to 9.9 cents/kWh – a 6.5 percent hike from June and a 46 percent increase just since February.
In terms of renewable sources like solar and wind, weather impacts supply. California’s duck curve[cite] shows the difference between electricity demand and the amount of solar energy available throughout the day. On a sunny day, solar power floods the electricity generation market and then drops during sunless evening, when electricity demand peaks.
Snowpack, streamflows, seasonality, salmon, etc. all affect the amount of water that can flow through a dam at any given time. Forecasting these variables predicts the available potential energy for a dam for a given period. Some regions such as the Egypt, China and the Pacific Northwest get significant generation from hydroelectric dams. In 2015, SAIDI and SAIFI more than doubled from the previous year in Zambia due to low water reserves in their hydroelectric dams caused by insufficient rainfall.
A feed-in tariff (FIT) is an energy-supply policy that supports the development of renewable power generation. FITs give financial benefits to renewable power producers. In the United States, FIT policies guarantee that eligible renewable generators will have their electricity purchased by their utility. The FIT contract contains a guaranteed period of time (usually 15–20 years) that payments in dollars per kilowatt hour ($/kWh) will be made for the full output of the system.
You betcha! Most Texas electricity suppliers offer plans that include a percentage of energy sourced from renewable resources, such as hydro power, wind power and solar power. Some are totally sourced that way. These plans are a great way for Texas energy customers to help the environment without breaking the bank. In addition to green energy plans, many Texas suppliers give customers the option to purchase renewable energy certificates, or RECs, that further offset customers’ carbon emissions. The purchase of RECs also helps fund research and usage of renewable energy sources, so that Texas can stay at the forefront of eco-friendly power technology.
In Houston, 0% of people have switched to a plan that has some renewable energy component to it. Another 0% have switched to a plan that is partially renewable, while 0% have switched to a plan that powers homes completely by renewable electricity. This of course means that 100% of people have remained on a plan powered by traditional sources of electricity such as coal or nuclear power.
There are over 60 different energy suppliers competing for your business on any given day in Texas. Many of these electric companies have websites that are confusing and nearly impossible to navigate, their rates and fees hidden by dense industry jargon and misleading advertising. Who has the spare the time to sort through the choices spread out over all these different sites and companies?