Estimate years to break even on residential rooftop solar.
Plain-English calculator and guides for residential solar payback, battery sizing, net metering, grid-tied vs off-grid economics, and microgrid feasibility.
Read our guidesLearn how to evaluate solar, battery storage, and microgrid investments using simple financial metrics like payback period, LCOE, and NPV. Understand the impact of net metering, time-of-use rates, and incentives on your distributed energy project.
Read more →Learn how to calculate the solar payback period for your home or business, including key factors like system cost, incentives, net metering, and electricity rates. This guide provides step-by-step methods and real-world examples using US data.
Read more →Net metering allows solar homeowners to earn credits for excess electricity sent to the grid. Learn how it works, state policies, utility rate changes, and key factors to consider before going solar.
Read more →A detailed comparison of solar panel payback periods against stocks, bonds, real estate, and savings accounts, using real Australian data and case studies.
Read more →A detailed comparison of solar leases and purchases, with real-world numbers, tax credits, payback periods, and long-term savings to help homeowners make an informed financial decision.
Read more →A solar power purchase agreement (PPA) lets you host solar panels on your roof with no upfront cost and pay only for the electricity generated. This article explains how PPAs work, their costs, benefits, and drawbacks compared to buying or leasing solar.
Read more →Compare solar loans, leases, and power purchase agreements (PPAs) to decide which financing option best fits your budget, energy goals, and homeownership plans. Learn the pros, cons, and cost implications of each.
Read more →Learn how to size a home battery for backup power versus maximizing solar self-consumption, with real-world examples, costs, and trade-offs.
Read more →Learn how to correctly size a home battery for solar storage. This guide covers daily load analysis, inverter sizing, depth of discharge, and cost calculations for US households.
Read more →