All data

Diabetes prevalence in Massachusetts has been steadily increasing.

Find energy data related to clean energy, energy markets, emissions, transportation and more.

View records for development projects currently under review or previously reviewed by the MEPA office. Look up projects by name, municipality, and location.

Explore data on health and the environment. Topics including diseases, air quality, and lead and poisonous substances. You can also build your own tables and maps. This site is maintained by the Bureau of Environmental Health, a division of the Department of Public Health.

Explore data about the state's payroll. Includes employee count by agency and payroll by agency. Data spans 2010 to present. This data is published on CTHRU, a website managed by the Comptroller.

Annual summaries of facility and retail seller of electricity GHG emissions. MassDEP calculations of annual Retail Seller GHG emission factors.

The Center for Health Information and Analysis (CHIA) publishes measures of the performance of the Massachusetts health care system. These metrics focus on 2 areas in health care: spending and insurance coverage, and health care provider usage and performance.

Find in-season and off-season pricing for heating fuels, including heating oil, propane and wood price surveys by DOER. Links to electric and natural gas rates also available here.

Descriptive and comparative data on acute and non-acute hospitals based on hospital characteristics, services, payer mix, utilization trends, cost trends, financial performance, and quality over a five-year period. This data is hosted on a website operated by the Center for Health Information and Analysis (CHIA).

UPDATE: This page was published in early November 2025, based on the best available data at that time. Due to the limitations of forecasting weather and energy costs, the energy price and heating cost estimates do not reflect current energy prices and household consumption levels this winter.