Further Reading The economics of energy generation are changing; more metrics favor solar, wind Those prices don’t include an Investment Tax Credit (ITC), which makes solar panels even cheaper.
The Energy Department said that the cost per watt was assessed in terms of total installed system costs for developers.
Despite the plummeting costs for utility-scale solar, costs for commercial and residential solar panels have not fallen quite as quickly—just 15 percent and 6 percent, respectively.
In 2011, the DOE started the SunShot Initiative with the stated purpose of reducing solar panel prices to certain levels by 2020.
From here, there are a few factors that could change how solar panels are priced in the future.
The US solar manufacturers are calling for a 40-cent-per-watt tariff on imported cells and a 78-cent-per-watt floor price for imported modules.
US solar installers are firmly opposed to this tariff proposal, saying that increased panel prices would cause the US' 260,000-person solar industry to shed 88,000 jobs. »