December 1999
| U-12224 | CMS Energy Corporation (PUHCA certification) issued | 12/16/99 |
| U-12204 | Indiana Michigan Power Company and the Michigan Public Service Commission Staff (FERC settlement) issued | 12/16/99 |
| U-12098 | Clint Reamer v Consumers Energy Company issued | 12/16/99 |
| U-12000 | Alpena Power Company (rates) issued | 12/16/99 |
| U-11662b | Consumers Energy Company (decommissioning surcharges) issued | 12/16/99 |
| U-11560 | Association of Businesses Advocating Tariff Equity v Consumers Energy Company (motion) issued | 12/16/99 |
| U-11181-R | U-11531-R/U-11792 Indiana Michigan Power Company (contested settlement) issued | 12/16/99 |
| U-11180-R | Consumers Energy Company (rehearing) issued | 12/16/99 |
| U-10973-R | Consumers Energy Company (rehearing) issued | 12/16/99 |
| U-9586 | U-12148 Consumers Energy Company (capacity soliciation framework) issued | 12/16/99 |
| U-8869-DE | U-9798/U-12177 Association of Businesses Advocating Tariff Equity, The Detroit Edison company (capacity solicitation framework) issued | 12/16/99 |
| U-11560 | The Association of Businesses Advocating Tariff Equity v Consumers Energy Company (motion schedule) issued | 12/9/99 |
| U-11560d | The Association of Businesses Advocating Tariff Equity v Consumers Energy Company (motion schedule) issued | 12/9/99 |
| U-11938b | William L. Bouchee v Consumers Energy Company issued | 12/6/99 |
| U-12139b | Great Lakes Energy Cooperative (contract) issued | 12/6/99 |
| U-12087 | Peter James Elie v Great Lakes Energy Cooperative issued | 12/6/99 |
| U-12060 | Consumers Energy Company (contract) issued | 12/6/99 |
November 1999
| U-12205 | Nordic Electric, L.L.C. (contract) issued | 11/30/99 |
| U-12147 | Upper Peninsula Power Company (accounting) issued | 11/30/99 |
| U-11710 | Presque Isle Electric & Gas Co-op (tariff revision) issued | 11/30/99 |
| U-11534-R | Cloverland Electric Cooperative ('98 PSCR reconciliation) issued | 11/30/99 |
| U-12154 | Nordic Electric, L.L.C. (contract) issued | 11/16/99 |
| U-12153 | Nordic Electric, L.L.C. (certificate of public convenience and necessity) issued | 11/16/99 |
| U-12160 | Wisconsin Electric Power Company (contract amendments) issued | 11/16/99 |
| U-12099 | Wisconsin Electric Power Company (tariff revision) issued | 11/16/99 |
| U-12092 | Upper Peninsula Power Company (tariff revision) issued | 11/16/99 |
| U-12067 | Stonebridge Golf Club v The Detroit Edison Company issued | 11/16/99 |
| U-12025 | Tri-County Electric Cooperative, d/b/a Homeworks Tri-County Electric Cooperative (rate revision) issued | 11/16/99 |
| U-11910 | The Durcon Company v The Detroit Edison Company issued | 11/16/99 |
| U-11883 | Yours Liquor, Inc. v The Detroit Edison Company issued | 11/16/99 |
October 1999
| U-12102 | The Detroit Edison Company (steam contracts) issued | 10/28/99 |
| U-11999b | The Detroit Edison Company (contract riders) issued | 10/28/99 |
| U-11539-R | Cherryland Electric Cooperative, Great Lakes Energy Cooperative, Presque Isle Electric & Gas Co-op, and Tri-County Electric Cooperative ('98 PSCR reconciliation) issued | 10/28/99 |
| U-11290s | et al. Commission's Own Motion (schedule) issued | 10/28/99 |
| U-11560 | Association of Businesses Advocating Tariff Equity (leave to appeal) issued | 10/13/99 |
| U-12023 | Walter L. Sorg, Jr. v The Detroit Edison Company issued | 10/13/99 |
| U-11535-R | and U-11537-R Midwest Energy Cooperative ('98 PSCR reconciliation) issued | 10/13/99 |
| U-11187-R | and U-11536-R The Ontonagon County Rural Electrification Association ('97/'98 PSCR reconciliation) issued | 10/13/99 |
September 1999
| U-11560b | Association of Businesses Advocating Tariff Equity (motion) issued | 9/28/99 |
| U-11975 | Cloverland Electric Cooperative (tariff revision) issued | 9/28/99 |
| U-11964 | Michigan Cable Telecommunications Association and harron Cablevision of Michigan, Inc. v The Detroit Edison Company issued | 9/28/99 |
| U-11853 | James H. Kurtz Steel Co. v The Detroit Edison Company issued | 9/28/99 |
| U-11540-R | Wabash Valley Power Association, Inc. ('98 PSCR reconciliation) issued | 9/14/99 |
| U-11532-R | Alpena Power Company ('98 PSCR reconciliation) issued | 9/14/99 |
| U-11290r | Commission's Own Motion U-12134 Consumers Energy Company and The Detroit Edison Company (codes of conduct) issued | 9/14/99 |
| U-11290q | Commission's Own Motion U-12133 Choice Advisory Council (customer education) issued | 9/14/99 |
| U-11290p | Commission's Own Motion (Detroit Edison code of conduct) issued | 9/14/99 |
| U-11397b Exhibit (billing rules) issued | 9/3/99 | |
| U-11397b | Michigan Consolidated Gas Company and Michigan Electric and Gas Association (billing rules) issued | 9/3/99 |
August 1999
| U-11941c | Consumers Energy Company (rehearing) issued | 8/31/99 |
| U-10973-R | Consumers Energy Company ('96 PSCR reconciliation) issued | 8/31/99 |
| U-12106 | Commission's Own Motion (water company rules) issued | 8/31/99 |
| U-12051 | Wisconsin Public Service Corporation (tariff revision) issued | 8/31/99 |
| U-11954b | Consumers Energy Company (rehearing) issued | 8/31/99 |
| U-11903 | Ronnie L. Smith v The Detroit Edison Company issued | 8/31/99 |
| U-11769 | Attorney General Jennifer M. Granholm v Consumers Energy Company issued | 8/31/99 |
| U-11530-R | Upper Peninsula Power Company ('98 PSCR reconciliation) issued | 8/31/99 |
| U-11180r-R | Consumers Energy Company ('97 PSCR reconciliation) issued | 8/31/99 |
| U-12006 | The Detroit Edison Company (certificate of public convenience and necessity) issued | 8/17/99 |
| U-12001 | Upper Peninsula Power Company (special contract) issued | 8/17/99 |
| U-11541-R | Northern States Power Company-Wisconsin ('98 PSCR reconciliation) issued | 8/17/99 |
| U-11529-R | Wisconsin Public Service Corporation ('98 PSCR reconciliation) issued | 8/17/99 |
| U-11290o | et al. Commission's Own Motion (restructuring) issued | 8/17/99 |
| U-11184-R | U-11533-R Alger Delta Cooperative Electric Association ('98 PSCR reconciliation) issued | 8/17/99 |
July 1999
| U-12007 | Wisconsin Electric Power Company (tariff revision) | 7/28/99 |
| U-11538-R | Thumb Electric Cooperative ('98 PSCR reconciliation) | 7/28/99 |
June 1999
| U-11290n | et al. Commission's Own Motion (scheduling) issued | 6/30/99 |
| U-11938 | William L. Bouchee v Consumers Energy Company issued | 6/30/99 |
| U-11882 | Midwest Energy Cooperative v Consumers Energy Company issued | 6/30/99 |
| U-11999 | The Detroit Edison Company (tariff revision) | 6/10/99 |
| U-12008 | Commission's Own Motion (Presque Isle Electric & Gas Co-op investigation) | 6/10/99 |
| U-11954 | Consumers Energy Company (PUHCA certification) | 6/10/99 |
| U-11397 | Michigan Consolidated Gas Company and Michigan Electric and Gas Association (billing practice rules) | 6/1/99 |
May 1999
| U-11560 | ABATE v Consumers Energy Company (leave to appeal) | 5/27/99 |
| U-11495 | ABATE v The Detroit Edison Company (leave to appeal) | 5/27/99 |
| U-11175-R | The Detroit Edison Company ('97 PSCR reconciliation) | 5/11/99 |
| U-11971 | Alpena Power Company (tariff revision) | 5/11/99 |
| U-11845 | Pamela A. Gerald v The Detroit Edison Company | 5/11/99 |
April 1999
| U-11941b | Consumers Energy Company (PECO contract) | 4/30/99 |
| U-11799 | Wabash Valley Power Association, Inc. ('99 PSCR plan) | 4/23/99 |
| U-11843 | Bassam Kallabat v The Detroit Edison Company | 4/12/99 |
| U-11837 | Wisconsin Electric Power Company (tariff revision) | 4/12/99 |
| U-11835 | Wisconsin Electric Power Company (contracts) | 4/12/99 |
March 1999
| U-11308 | Destec Power Services, Inc. (certificate) | 3/22/99 |
| U-11941 | Consumers Energy Company (comments) | 3/22/99 |
| U-11908 | UtiliCorp United Inc. (PUHCA certification) | 3/22/99 |
| U-11796 | Midwest Energy Cooperative ('99 PSCR plan) | 3/22/99 |
| U-11693 | Nordic Electric, L.L.C. (power sale agreement) | 3/22/99 |
| U-11692 | Nordic Electric, L.L.C. (certificate) | 3/22/99 |
| U-11662 | Consumers Energy Company (decommissioning) | 3/22/99 |
| U-11916 | Commission's Own Motion (commence proceedings) | 3/8/99 |
| U-11915 | Commission's Own Motion (commence proceedings) | 3/8/99 |
| U-11905 | Nordic Electric, L.L.C. (power sale agreement) | 3/8/99 |
| U-11904 | Nordic Electric, L.L.C. (certificate) | 3/8/99 |
| U-11890 | Indiana Michigan Power Company (tariff revision) | 3/8/99 |
| U-11856 | Alpena Power Company (classification) | 3/8/99 |
| U-11791 | Upper Peninsula Power Company ('99 PSCR plan) | 3/8/99 |
| U-11726d | The Detroit Edison Company (Fermi 2 amortization) | 3/8/99 |
| U-11590 | Nordic Electric, L.L.C. (power purchase agreement) | 3/8/99 |
| U-11451 | 1999/u-11452 Consumers Energy Company/Detroit Edison Company (tariff) | 3/8/99 |
| U-11290m | et al. Commission's Own Motion (implementation) | 3/8/99 |
| U-11290l | Commission's Own Motion (rehearing) | 3/8/99 |
| U-10840b | The Detroit Edison Company (tariff revision) | 3/8/99 |
| U-8789c | The Detroit Edison Company (rehearing) | 3/8/99 |
February 1999
| U-11808 | Cherryland Electric Cooperative (tariff revision) | 2/17/99 |
| U-11798 | Thumb Electric Cooperative ('99 PSCR plan) | 2/17/99 |
| U-11797 | The Ontonagon County Rural Electrification Assoc. ('99 PSCR plan) | 2/17/99 |
| U-11794 | Alger Delta Cooperative Electric Assoc. ('99 PSCR plan) | 2/17/99 |
| U-11785 | James Curtis Beachum II v The Detroit Edison Company | 2/17/99 |
| U-11678b | Indiana Michigan Power Company (investigation) | 2/17/99 |
| U-11677b | Consumers Energy Company (investigation) | 2/17/99 |
| U-11801 | Cherryland Electric Cooperative et al. ('99 PSCR plan) | 2/2/99 |
| U-11795 | Cloverland Electric Cooperative ('99 PSCR plan) | 2/2/99 |
| U-11790 | Northern States Power Company-Wisconsin ('99 PSCR plan) | 2/2/99 |
| U-11789 | Wisconsin Public Service Corporation ('99 PSCR plan) | 2/2/99 |
| U-11485c | et al. CMS Marketing, Services and Trading Company (certificate of public convenience and necessity and contracts) | 2/2/99 |
| U-11471 | et al. Upper Peninsula Power Company (restructuring) | 2/2/99 |
January 1999
| U-11889 | Consumers Energy Company, The Detroit Edison Company, and Indiana Michigan Power Company (summer capacity) | 1/19/99 |
| U-11852 | Great Lakes Energy Cooperative (tariff revision) | 1/19/99 |
| U-11792 | Indiana Michigan Power Company ('99 PSCR plan) | 1/19/99 |
| U-11777b | Northern States Power Company-Wisconsin (tariff revision) | 1/19/99 |
| U-11726c | The Detroit Edison Company (motion) | 1/6/99 |
| U-11777 | Northern States Power Company-Wisconsin (tariff revision) | 1/6/99 |