How much would a rooftop solar system cost without Bess?

Without BESS, the same household could install 10 kW of rooftop solar, which would cost $28,700 and save $1,567 per year. PGE and the state of Oregon both offer incentives for rooftop solar and battery energy storage. With the utility, state, and federal incentives, the combined solar and BESS system could be paid back within 11 years.

Is there a guide to rooftop solar & Bess?

To help homeowners tackle this tangle of information, PNNL researchers Jessica Kerby and Bethel Tarekegne published an open-access guide to rooftop solar and BESS in Renewable Energy Focus.

How much would a solar system cost without Bess?

Without BESS, the same household could install 10 kW of rooftop solar, which would cost $29,200 and save $1,357 per year. Without financial incentives, the payback period for the rooftop solar and BESS would be around 28 years, but with the Investment Tax Credit it’s brought down to 20 years.

How much does a home solar system cost?

According to studies by the U.S. Department of Energy, the all-in cost of a home solar panel system is between $2.74 to $3.30 per watt. 1,2,12 This figure includes the solar panels, the installation, and other expenses. Using these numbers, an average-sized 8-kilowatt residential solar system would cost between $21,900 – $26,400.

How much does a 12 kW solar panel cost?

The average cost of a 12 kW solar panel installation on EnergySage is $20,754 after the federal tax credit. You'll probably save anywhere from $34,000-$120,000 over 25 years by going solar. Solar panels are just 12% of the total cost of a solar panel installation.

How much does a rooftop solar system cost in Oregon?

In Oregon, a 7.5 kW rooftop solar system plus a 13.5 kWh BESS would cost $43,125 on average to install without incentives. The state’s largest utility, Portland General Electric (PGE), offers a TOU rate option, and Oregon also has a net metering policy, paying the same utility rate for excess solar production.