Use authoritative resources for your papers. Use online databases, for example,

Use authoritative resources for your papers. Use online databases, for example,

Use authoritative resources for your papers. Use online databases, for example, that include the full text of academic, trade and news journals.
Examples for the first paper: Use web sites from the Department of Energy or other credible sites.
Search for keywords such as: ELECTRICITY PRODUCTION or ELECTRICITY and GENERATION or ALTERNATIVE AND ELECTRICITY.
Also look up keywords SOLAR ENERGY, WIND POWER, etc. These are just a few suggested terms; try others that may be of interest.