Company · CIK 1419242 # ATLANTIC POWER CORP | CIK | [1419242](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001419242) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 4900 — Electric, Gas & Sanitary Services | | Incorporated in | A1 | | Business address | MA | | Listed | no ticker on SEC record today | | First annual or quarterly report | 2010-05-14 | ## Offerings 8 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-245462 | Shelf Effective | 2020-08-12 | 2021-05-18 | 3 | | 333-221903 | Shelf Effective | 2017-12-05 | 2018-01-24 | 6 | | 333-183135 | Shelf Effective | 2012-08-08 | 2012-12-03 | 6 | | 333-181224 | Registered company Final prospectus | 2012-05-08 | 2012-06-28 | 5 | | 333-181225 | Registered company Final prospectus | 2012-05-08 | 2012-06-28 | 5 | | 333-176257 | Registered company Effective | 2011-08-12 | 2011-10-14 | 5 | | 333-168855 | Registered company Effective | 2010-08-16 | 2010-10-14 | 7 | | 333-168856 | Registered company Effective | 2010-08-16 | 2010-10-14 | 6 | ## Filings 45 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2021-05-18 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1419242/999999999521001986/9999999995-21-001986-index.htm) Declared effective | 333-245462 | 9999999995-21-001986 | | 2020-08-25 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1419242/999999999520002249/9999999995-20-002249-index.htm) Declared effective | 333-245462 | 9999999995-20-002249 | | 2020-08-12 | [S-3](https://www.sec.gov/Archives/edgar/data/1419242/000110465920093988/0001104659-20-093988-index.htm) Shelf registered | 333-245462 | 0001104659-20-093988 | | 2018-01-24 | [424B5](https://www.sec.gov/Archives/edgar/data/1419242/000104746918000371/0001047469-18-000371-index.htm) Shelf takedown | 333-221903 | 0001047469-18-000371 | | 2018-01-23 | [424B5](https://www.sec.gov/Archives/edgar/data/1419242/000104746918000357/0001047469-18-000357-index.htm) Shelf takedown | 333-221903 | 0001047469-18-000357 | | 2018-01-23 | [424B5](https://www.sec.gov/Archives/edgar/data/1419242/000104746918000325/0001047469-18-000325-index.htm) Shelf takedown | 333-221903 | 0001047469-18-000325 | | 2018-01-22 | [424B5](https://www.sec.gov/Archives/edgar/data/1419242/000104746918000319/0001047469-18-000319-index.htm) Shelf takedown | 333-221903 | 0001047469-18-000319 | | 2017-12-18 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1419242/999999999517003250/9999999995-17-003250-index.htm) Declared effective | 333-221903 | 9999999995-17-003250 | | 2017-12-05 | [S-3](https://www.sec.gov/Archives/edgar/data/1419242/000104746917007442/0001047469-17-007442-index.htm) Shelf registered | 333-221903 | 0001047469-17-007442 | | 2016-02-10 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1419242/999999999516003720/9999999995-16-003720-index.htm) Declared effective | 333-194204 | 9999999995-16-003720 | | 2012-12-03 | [424B5](https://www.sec.gov/Archives/edgar/data/1419242/000104746912010939/0001047469-12-010939-index.htm) Shelf takedown | 333-183135 | 0001047469-12-010939 | | 2012-12-03 | [424B5](https://www.sec.gov/Archives/edgar/data/1419242/000104746912010937/0001047469-12-010937-index.htm) Shelf takedown | 333-183135 | 0001047469-12-010937 | | 2012-11-30 | [424B5](https://www.sec.gov/Archives/edgar/data/1419242/000104746912010891/0001047469-12-010891-index.htm) Shelf takedown | 333-183135 | 0001047469-12-010891 | | 2012-11-30 | [424B5](https://www.sec.gov/Archives/edgar/data/1419242/000104746912010887/0001047469-12-010887-index.htm) Shelf takedown | 333-183135 | 0001047469-12-010887 | | 2012-08-08 | [424B5](https://www.sec.gov/Archives/edgar/data/1419242/000104746912007936/0001047469-12-007936-index.htm) Shelf takedown | 333-183135 | 0001047469-12-007936 | | 2012-08-08 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1419242/000104746912007929/0001047469-12-007929-index.htm) Shelf registered | 333-183135 | 0001047469-12-007929 | | 2012-07-03 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1419242/999999999512002045/9999999995-12-002045-index.htm) Declared effective | 333-181548 | 9999999995-12-002045 | | 2012-06-28 | [424B1](https://www.sec.gov/Archives/edgar/data/1419242/000104746912006938/0001047469-12-006938-index.htm) Final prospectus | 333-181225 | 0001047469-12-006938 | | 2012-06-28 | [424B1](https://www.sec.gov/Archives/edgar/data/1419242/000104746912006937/0001047469-12-006937-index.htm) Final prospectus | 333-181224 | 0001047469-12-006937 | | 2012-06-26 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1419242/999999999512001958/9999999995-12-001958-index.htm) Declared effective | 333-181225 | 9999999995-12-001958 | | 2012-06-26 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1419242/999999999512001957/9999999995-12-001957-index.htm) Declared effective | 333-181224 | 9999999995-12-001957 | | 2012-06-26 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1419242/000104746912006895/0001047469-12-006895-index.htm) Amendment | 333-181225 | 0001047469-12-006895 | | 2012-06-26 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1419242/000104746912006894/0001047469-12-006894-index.htm) Amendment | 333-181224 | 0001047469-12-006894 | | 2012-06-15 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1419242/000104746912006652/0001047469-12-006652-index.htm) Amendment | 333-181225 | 0001047469-12-006652 | | 2012-06-15 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1419242/000104746912006651/0001047469-12-006651-index.htm) Amendment | 333-181224 | 0001047469-12-006651 | | 2012-05-08 | [S-1](https://www.sec.gov/Archives/edgar/data/1419242/000104746912005516/0001047469-12-005516-index.htm) Registration filed | 333-181225 | 0001047469-12-005516 | | 2012-05-08 | [S-1](https://www.sec.gov/Archives/edgar/data/1419242/000104746912005515/0001047469-12-005515-index.htm) Registration filed | 333-181224 | 0001047469-12-005515 | | 2011-10-14 | [424B5](https://www.sec.gov/Archives/edgar/data/1419242/000104746911008479/0001047469-11-008479-index.htm) Shelf takedown | 333-176257 | 0001047469-11-008479 | | 2011-10-13 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1419242/999999999511002946/9999999995-11-002946-index.htm) Declared effective | 333-176257 | 9999999995-11-002946 | | 2011-10-11 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1419242/000104746911008447/0001047469-11-008447-index.htm) Amendment | 333-176257 | 0001047469-11-008447 | | 2011-09-16 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1419242/000104746911008071/0001047469-11-008071-index.htm) Amendment | 333-176257 | 0001047469-11-008071 | | 2011-08-12 | [S-1](https://www.sec.gov/Archives/edgar/data/1419242/000104746911007316/0001047469-11-007316-index.htm) Registration filed | 333-176257 | 0001047469-11-007316 | | 2010-10-14 | [424B5](https://www.sec.gov/Archives/edgar/data/1419242/000104746910008603/0001047469-10-008603-index.htm) Shelf takedown | 333-168856 | 0001047469-10-008603 | | 2010-10-14 | [424B5](https://www.sec.gov/Archives/edgar/data/1419242/000104746910008589/0001047469-10-008589-index.htm) Shelf takedown | 333-168855 | 0001047469-10-008589 | | 2010-10-13 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1419242/999999999510002919/9999999995-10-002919-index.htm) Declared effective | 333-168856 | 9999999995-10-002919 | | 2010-10-13 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1419242/999999999510002918/9999999995-10-002918-index.htm) Declared effective | 333-168855 | 9999999995-10-002918 | | 2010-10-08 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1419242/000104746910008494/0001047469-10-008494-index.htm) Amendment | 333-168856 | 0001047469-10-008494 | | 2010-10-08 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1419242/000104746910008493/0001047469-10-008493-index.htm) Amendment | 333-168855 | 0001047469-10-008493 | | 2010-09-27 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1419242/000104746910008295/0001047469-10-008295-index.htm) Amendment | 333-168856 | 0001047469-10-008295 | | 2010-09-17 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1419242/000104746910008143/0001047469-10-008143-index.htm) Amendment | 333-168855 | 0001047469-10-008143 | | 2010-09-17 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1419242/000104746910008141/0001047469-10-008141-index.htm) Amendment | 333-168855 | 0001047469-10-008141 | | 2010-08-20 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1419242/000104746910007657/0001047469-10-007657-index.htm) Amendment | 333-168855 | 0001047469-10-007657 | | 2010-08-20 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1419242/000104746910007656/0001047469-10-007656-index.htm) Amendment | 333-168856 | 0001047469-10-007656 | | 2010-08-16 | [S-1](https://www.sec.gov/Archives/edgar/data/1419242/000104746910007511/0001047469-10-007511-index.htm) Registration filed | 333-168856 | 0001047469-10-007511 | | 2010-08-16 | [S-1](https://www.sec.gov/Archives/edgar/data/1419242/000104746910007510/0001047469-10-007510-index.htm) Registration filed | 333-168855 | 0001047469-10-007510 | [All filings of this company](https://equitycapital.markets/filings?cik=1419242) · [CSV](https://equitycapital.markets/filings.csv?cik=1419242) --- Source page: https://equitycapital.markets/company/1419242 · Data: U.S. SEC EDGAR · CC BY 4.0