These pages provide links to sources of information about state environmental regulations affecting distributed generation. Each state government's environment and energy websites are generally the best source of up-to-date information. Some of the links may change with time, but they are a good starting point for finding the requirements for air permits in your state.

Alabama

Alabama Department of Environmental Management

http://www.adem.state.al.us/permitting/permittinginfo.htm

Alaska

Alaska Department of Environmental Conservation

http://www.state.ak.us/local/akpages/ENV.CONSERV/permits.htm

Arizona

Arizona Department of Environmental Quality, Air Quality Division

http://www.adeq.state.az.us/environ/air/permit/who.html

Arkansas

Arkansas Department of Environmental Quality, Air Division

http://www.adeq.state.ar.us/air/branch_permits/default.htm

California

DER Permitting, California Energy Commission (CEC)

http://www.energy.ca.gov/distgen/permitting/permitting.html

Colorado

Colorado Department of Public Health and Environment

http://www.cdphe.state.co.us/permits.asp

Connecticut

Connecticut Department of Environmental Protection

http://dep.state.ct.us/

Delaware

Permits and approvals

http://www.dnrec.state.de.us/dnrec2000/Permits.asp

District of Columbia

The DC Environmental Health Administration's Air Quality Division does not have a website. Call (202) 535-2500.

Florida

Permitting information, Air Protection Branch

http://www.dep.state.fl.us/secretary/info/permitting.htm

Hawaii

Clean Air Branch, Environmental Health Administration

http://www.state.hi.us/health/eh/cab/

Idaho

Idaho Department of Environmental Quality

http://www.deq.state.id.us/air/air1.htm

Illinois

Air pollution regulations

http://www.ipcb.state.il.us/

Indiana

Environmental permit guide, Indiana Department of Environmental Management

http://www.in.gov/idem/guides/permit/

Iowa

Permits, Air Quality Bureau of the Iowa Department of Natural Resources

http://www.state.ia.us/epd/air/prof/prof.htm

Kansas

Division of Environment, Kansas Department of Health and Environment

http://www.kdhe.state.ks.us/environment/

Kentucky

Permitting programs

http://www.kyenvironment.org/nrepc/dep/permitting.pdf

Louisiana

Permits

http://www.deq.state.la.us/permits/

Maine

Permits

http://www.state.me.us/dep/blwq/stand.htm

Maryland

Guide to environmental permits and approvals, Maryland Department of the Environment

http://www.mde.state.md.us/Permits/Environmental_permits/Index.asp

Massachusetts

Environmental permitting of energy facilities, Massachusetts Department of Environmental

Protection

http://www.state.ma.us/dep/energy/energy.htm

Michigan

Guide to environmental permits

http://www.michigan.gov/deq/1,1607,7-135-6830-18107--,00.html

Minnesota

State rules for air emissions, Minnesota Pollution Control Agency

http://www.pca.state.mn.us/air/air_mnrules.html

Mississippi