In the interest of increasing access to electric vehicle and weatherization rebates for all residents of Concord, CMLP offers larger incentives for households with income at or below 80% or 120% of the median Income for the Boston Metropolitan Area. Eligibility is based on household size and income. The household's combined total income is determined by the most recent federal income tax filings (Tax Return Form 1040). See the sample image at the bottom of this page for the relevant line.