Energy Source Initial Cost Monthly Cost Energy Output
Natural Gas $1.5 billion $1,000,000 1,000 Megawatts
Solar Power $3.5 billion $300,000 1,000 Megawatts
Hydroelectric $350 million $500,000 1,000 Megawatts
Wind power $3 billion $500,000 1,000 Megawatts
To ensure the city will remain within the designated budget, it was first a requirement that investments be made into cost effective sources, such as that of Natural Gas. Natural Gas is of course a non-renewable resource; however the benefit of low-cost and a high output of energy outweighed the disadvantages of the negative effects on the environment. While the number of natural gas residential customers in North America has grown by 70 percent over the last 40 years, customers today actually use nearly 40 percent less natural gas (specktraenergy.com, 2013). Greater efficiency in production, delivery and usage