| date | INES | title | location |
| 16-10-2000 | INES 1 | Flooding event at the EUREX facility | EUREX, Italy |
| 13-11-2000 | INES 1 | Loss of a radioactive Type-A package containing 30,8 GBq of Thallium 201 between Paris-Roissy (France) and Budapest (Hungary) airports | CIS BIO INTERNATIONAL, France |
| 09-09-2000 | INES 0 | Beloyarsk NPP Unit 3 scram due to events in the operation of the Urals power system | BELOYARSKY-3(BN-600), Russian Federation |
| 11-09-2000 | INES 2 | Finding of abandoned radioactive source in the street | PERU radiation source, Peru |
| 06-10-2000 | [N/A] | Fire at Dukovany NPP | DUKOVANY-1, Czech Republic |
| 29-09-2000 | INES 1 | Loss of a radioactive package containing a small amount of depleted uranium | SICN COMPANY, France |
| 19-09-2000 | INES 1 | Unshielded Cs-137 source found in metal scrap | Jewometaal, Rotterdam-Botlek, Netherlands |
| 27-08-2000 | INES 1 | Increase in the gamma background in front of the reactor building of unit 3 | KOZLODUY-3, Bulgaria |
| 17-08-2000 | INES 1 | Water leakages at Loviisa-1 NPP unit from the fuel loading pool on 17 and 18 August 2000 during the annual maintenance outage | LOVIISA-1, Finland |
| 20-06-2000 | INES 2 | Missing sealed source CS-137 of 73 mCi | HYDERABAD MNJ, India |
| 15-06-2000 | INES 1 | Unplanned exposure of workers | BOHUNICE-4, Slovakia |
| 15-04-2000 | INES 1 | Moderator water leak in moderator room | NARORA-2, India |
| 07-06-2000 | INES 1 | Loss of an Iodine-131 package between France and Spain during air shipment | CIS BIO INTERNATIONAL, France |
| 27-06-2000 | INES 2 | Error in operating rules leading to safety injection system unavailability | DAMPIERRE-1, France |
| 26-06-2000 | INES 4 | Lost source causing a radiological accident at Meet Halfa, Egypt | MEET HALFA, Egypt |
| 19-11-1999 | INES 2 | Discovery of a crack in boiler superheater penetration | DUNGENESS-B2 UNIT B, United Kingdom |
| 03-05-2000 | INES 1 | Loss of an iodine-125 source | CIS BIO INTERNATIONAL, France |
| 15-02-2000 | INES 0 | Steam generator tube leak | INDIAN POINT-2, United States of America |
| 02-09-1999 | INES 2 | Inadvertent plutonium shipment from Belgium to United Kingdom | IRMM, Geel, Belgium |
| 02-03-2000 | INES 1 | Loss of a Promethium source (18.5 GBq) | TANDEM CONSULTANTS, France |
| 28-12-1999 | INES 2 | Partial loss of safeguards systems as a result of external flooding | BLAYAIS-1, France |
| 31-01-2000 | INES 1 | Loss of power of a 220 VAC safety bus bar | EMBALSE, Argentina |
| 27-11-1999 | INES 2 | Loss of reactor coolant system inventory | WATERFORD-3, United States of America |
| 31-08-1999 | INES 2 | Reactor trip wth complications | INDIAN POINT-2, United States of America |
| 29-09-1999 | [N/A] | Tornado sighting within protected area | H.B. ROBINSON-2, United States of America |
| 18-10-1999 | INES 2 | Incorrectly packaged radioactive sources | BNFL, Sellafield, United Kingdom |
| 10-09-1999 | INES 1 | Loss of 185 MBq of I-131 in type A packaging | SOUTH AFRICAN AE CORP., South Africa |
| 30-09-1999 | INES 4 | Workers exposed to radiation at conversion test building of JCO Co., Ltd., Tokai Works | JCO COMPANY, TOKAI, Japan |
| 23-07-1999 | INES 2 | Exposure to radiation from a fixed gauge in New Waterford Nova Scotia | CAPE BRETON (DEVCO), Canada |
| 26-05-1999 | INES 2 | Plutonium uptake at Chalk River Facilities | CHALK RIVER LABORATORIES, Canada |