Remaining elections by closed vs. open/semi-closed + misc info

A summary of the remaining elections by closed vs. open/semi-closed is provided below. Miscellaneous information about each election is provided below that (whether or not state has early voting, ID requirements, etc.)

Total Pledged Delegates Available: 1016

84.5% of remaining pledged delegates will be allocated in open or "semi-closed" elections. ("Semi-closed" are effectively open because they are open to both registered Democrats and unaffiliated voters, or voters can change on election day.)

Closed (157 Delegates)
----------------------------
05/07 --Guam -- 7 Delegates (Primary; Deadline unknown)
05/17 -- KY -- 55 Delegates (Primary; Deadline to change 12/31/15)
05/17 -- OR -- 61 Delegates (Primary; Deadline to change 04/26/16)
06/07 -- NM -- 34 Delegates (Primary; Deadline to change 05/10/16)

Open or Semi-Closed (859 Delegates)
------------------------------------------
05/03 -- IN -- 83 Delegates (Primary; Open)
05/10--- WV -- 29 Delegates (Primary; Dem or Unaffiliated)
06/04 -- Vir Is -- 7 Delegates (Caucuses; Open)
06/05 -- PR -- 60 Delegates (Primary; Open)
06/07 -- CA -- 475 Delegates (Primary; Dem or Unaffiliated)
06/07 -- MT -- 21 Delegates (Primary; Open)
06/07 -- NJ -- 126 Delegates (Primary; Dem or Chg election day)
06/07 -- ND -- 18 Delegates (Caucuses; Open)
06/07 -- SD -- 20 Delegates (Primary; Dem or Unaffiliated)
06/14 -- DC -- 20 Delegates (Primary; Dem or Chg election day)

Miscellaneous
-------------
-- Indiana --
Can register online
Early voting (County election board or satellite facility)
Absentee requires excuse (application, vote by mail)
ID required
Polls close at 6pm


-- West Virginia --
No online registration
Early voting (Several locations each county)
Absentee requires excuse (application, vote by mail)
No ID required (exception: may be required of 1st time voters)

-- Kentucky --
No online registration
No early voting
Absentee has qualifictions
ID may be required.

-- Oregon --
Can register online
Vote by mail

-- California --
Can register online
Early voting/No excuse absentee (Request application; vote by mail)
Same day registration
ID generally not required

-- Montana --
No online registration
Early voting/No excuse absentee (Request application, vote by mail or at designatd locaations)
ID required

-- New Jersey --
No online registration
Early voting/No excuse absentee (Requesst applicataion, vote by mail)
No ID required

-- New Mexico --
Can register online
Early voting/No excuse absentee (Request application, vote my mail/in person to country election official)
No ID required

-- South Dakota --
No online registration
Early voting/No excuse absentee (Request application, vote by mail)
ID required

-- North Dakota --
No formal registration system
Early voting/No excuse absentee (application, vote by mail)
Some form of ID required at polls

-- District of Columbia --
Can register online
Early voting (early voting centers)
No excuse absentee (request application, vote by mail)
Same Day Registration