| Year | Technological | Institutional USA and Canada |
| 1800 | First electric battery--A. Volta (Italy). | |
| 1801 | Principles of arc light--H. Davy (UK). | |
| 1808 | First effective arc lamp--H. Davy (UK). | |
| 1816 | Gas Light Co. of Baltimore founded by R. Peale--first energy utility in USA, predecessor of Baltimore G&E. | |
| 1820 | Relationship of electricity and magnetism confirmed--H.C Oersted (Den.). | Congress gives City of Washington authority to regulate some prices. |
| 1821 | First electric motor--M. Faraday (UK). | |
| 1826 | Ohms Law--G.S. Ohm (Ger.). | |
| 1831 | Principles of electromagnetism, induction, generation and transmission--M. Faraday (UK). | |
| 1832 | First dynamo--H. Pixii (France).
Faraday publishes on induction (UK). J. Henry publishes on induction (USA). |
|
| 1837 | First industrial electric motors--T. Davenport (USA). | |
| 1839 | First fuel cell--W. Grove (UK). | Rhode Island sets up regulatory commission. |
| 1860 | Lead storage battery--G. Plante (France). | |
| 1865 | Mathematical theory of electromagnetic fields--J.C. Maxwell (UK). | |
| 1870 | First effective dynamo--Z.T. Gramme (Bel.). | |
| 1872 | Gas turbine patent--F. Stulze (Ger.). | |
| 1873 | Outdoor arc lighting, Winnipeg. | |
| 1876 | Improved arc light, Jablochoff candle--P. Jablochoff (France). | Arc lights at Philadelphia exposition. |
| 1877 | Munn v. Illinois--U.S. Supreme Court upholds regulation. | |
| 1878 | Efficient arc lamp and open coil dynamo--C.F. Brush (USA). | Edison Electric Light Co. (USA) and American Electric and Illuminating of Montreal founded. |
| 1879 | T.A. Edison (USA) and J. Swan (UK) independently invent practical incandescent lamp. | First commercial power station opens in San Francisco,
uses Brush generator and arc lights.
British Columbia Electric Railway. |
| 1880 | First isolated power system, from Edison, for S.S. Columbia. | |
| 1881 | Electric streetcar--E.W. v. Siemens (Ger.). | |
| 1882 | Edison's Pearl Street Station.
First hydroelectric station opens--Appleton, Wisconsin. | |
| 1883 | Transformer invented--L. Gaulard (Fr.) and J. Gibbs (UK). | First electric lighting plant in Canada, Cornwall, Ont.
First electric tramway in USA, Richmond,VA--Sprague design. |
| 1884 | Steam turbine invented--C. Parsons (UK). | Edison takes control of Edison Light Co.
Streetlights, Montreal and Toronto. |
| 1886 | W. Stanley develops transformer and AC electric system (USA). | Westinghouse Electric formed. |
| 1888 | N. Tesla invents induction motor and polyphase AC
system (USA).
O. Shellenberger invents induction motor, first AC meter to measure consumption (USA). |
|
| 1889 | Impulse turbine patent--L. Pelton (USA). | Edison General Electric formed.
National Association of Regulatory Commissioners founded as association of railway commissioners. |
| 1890 | First execution in electric chair.
The North American Co. formed. United Electric Securities organized by Thomson-Houston. | |
| 1891 | Westinghouse transmits hydro AC at 3.3 Kv for 13
miles, Oregon.
C. Brown transmits at 3.0 Kv for 110 miles (Ger). |
|
| 1892 | T. Wilson develops electric furness process to produce calcium carbide (Canada). | General Electric (GE) formed by merger of Thomson-Houston and Edison General Electric.
C. Steinmetz, theoretician of AC and mathematician joins GE, beginning corporate industrial research in USA. |
| 1893 | Westinghouse displays AC system at Chicago
World's Fair.
Folsom Powerhouse in California transmits at 11.0 Kv 3 phase AC, 22 miles to Sacramento. |
AC chosen for Niagara Power. |
| 1895 | Niagara station completed. | |
| 1896 | Niagara line, 11.0 Kv, 3 phase AC, 20 miles | Niagara transmission line (Niagara Falls to Buffalo) opened. |
| 1897 | J. Thompson discovers electron (UK). | C. Yerkes proposes state regulation for streetcars and long franchises. |
| 1898 | Smith v. Ames. Supreme Court decrees just compensation
on fair value.
S. Insull proposes state regulation of utilities. | |
| 1900 | Highest voltage transmission line 60 Kv. | |
| 1901 | Westinghouse offers 3.5 Mw turbine.
2.0 Mw turbine, largest installed in USA. |
First power transmission line between USA and Canada--Niagara Falls. |
| 1902 | 5.0 Mw turbine for Fisk St. Station, Chicago. | |
| 1903 | First successful gas turbine (France). | World's first all turbine station, Chicago.
Shawinigan Water & Power installs world's largest generator (5000W) and world's largest and highest voltage line--136 Km and 50 Kv (to Montreal). |
| 1905 | Work begins on Great Southern Grid, which, by 1914,
transmits in N.C., S.C., Ga., and Tenn.
Pacific G&E incorporated. Electric Bond and Share founded. Ontario Hydro founded. | |
| 1906 | Associated G&E incorporated. | |
| 1907 | Electric vacuum cleaner--J. Spangler (USA).
Electric washing machine--A. Fisher (USA). |
State utility regulation in Mass., N.Y., and Wis. |
| 1909 | First pumped storage plant, 1,500 Kw, Schlaffhausen (Switzerland). | |
| 1910 | Neon lamps.
Tungsten wire filament. |
S. Insull electrifies rural communities. |
| 1911 | Air conditioning--W. Carrier (USA). | |
| 1912 | Largest generator 35 Mw, highest transmission voltage, 150 Kv. | Insull starts holding company. |
| 1913 | Gas filled incandescent lamps.
First air pollution control device--cinder catcher--T. Murray (USA). Electric refrigerator--A. Goss (USA). |
|
| 1914 | Illinois forms regulatory agency. | |
| 1916 | Federal government begins construction of Muscle Shoals, Ala., dam to supply electricity to munitions complex. Origin of TVA. | |
| 1919 | Atomic fission--E. Rutherford (Can.). | |
| 1920 | First U.S. station to only burn pulverized coal. | Federal Power Commission (FPC). |
| 1922 | 175 Mw largest generating station. | Associated Gas and Electric Incorporated.
Connecticut Valley Power Exchange (CONVEX) starts, pioneering interconnection between utilities. |
| 1923 | Television components--V. Zworkyin (USA). | Bluefield decision calls for reproduction cost rate base. |
| 1924 | Cities Service Power & Light. | |
| 1926 | A.B. Collins creates Reddy Kilowatt. | |
| 1927 | First regional power pool, Pennsylvania-New Jersey
Interconnection.
Rhode Island PUC v. Attleboro--selling electricity interstate cannot be regulated by state. | |
| 1928 | Construction of Boulder Dam begins.
F. Whittle publishes thesis proposing gas turbines for aircraft propulsion (UK). |
Federal Trade Commission begins investigation of holding companies. |
| 1929 | GE produces 208 Mw generating unit, largest in service through 1953. | Commonwealth & Southern and United Corp. organized.
Stock market crashes. |
| 1930 | Transmission at 240 Kv.
Jet engine patented--F. Whittle (UK). |
|
| 1932 | Sodium light. | Middle West Utilities, National Electric Power, Seaboard P.S. collapse--end of Insull empire. |
| 1933 | Tennessee Valley Authority (TVA) established. | |
| 1934 | Nuclear chain reaction described--L. Szilard (UK). | |
| 1935 | Public Utility Holding Co. Act.
Federal Power Act. Securities and Exchange Commission. Bonneville Power Administration. First night baseball game in major leagues (Cincinnati, Ohio). | |
| 1936 | Highest steam temperature reaches 900 degrees
Fahrenheit vs. 600 degrees Fahrenheit in early
1920s.
287 Kv line runs 266 miles to Boulder (Hoover) Dam. Boulder Dam completed. |
Rural Electrification Act. |
| 1938 | Man-made fission of uranium--O. Hahn and F. Strassman (Ger.). | Supreme Court affirms Holding Co. Act of 1935 in Electric Bond & Share v. SEC. |
| 1939 | First jet flight--engine developed by H.P. von Ohain working with E. Heinkel (Ger.). | |
| 1940 | Steam pressure in generation reaches 2400 pounds per square inch (psi) vs. 1100 psi in early 1920s. | Nonutility generation accounts for 21% of USA total. |
| 1941 | First flight with Whittle jet engine (UK). | |
| 1942 | Sustained nuclear reaction--E. Fermi (USA). | |
| 1943 | SEC orders divestments of Engineers P.S. subsidiaries, begins breakup of holding companies. | |
| 1944 | Hydro-Quebec formed.
F.P.C. v. Hope Natural Gas decision establishes new rules for regulation. | |
| 1945 | Atomic Bomb. | |
| 1946 | Atomic Energy Act, establishes Atomic Energy Commission (AEC). | |
| 1947 | Transistor invented.
Mercury vapor lamp. Highest steam temperature in generation reaches 1000 degrees Fahrenheit. |
|
| 1950 | Nonutility generation accounts for 15% of USA total. | |
| 1953 | First practical nuclear reactor--for submarines.
First 345 Kv transmission line--American Electric Power. |
First nuclear power station ordered--Shippingport, PA.
Atoms for Peace program announced by Eisenhower. |
| 1954 | Atomic Energy Act of 1954 allows private ownership of nuclear reactors. | |
| 1955 | Nuclear submarine Nautilus commissioned by U.S.
Navy.
Construction of Shippingport begins. |
|
| 1956 | AEC issues first permits for commercial nuclear plants.
GE begins "Live Better Electrically" campaign. | |
| 1957 | Generator steam reaches 1150 degrees Fahrenheit and pressure 4500 psi at Philo station, first supercritical unit in USA. Shippingport goes operational. | Price Anderson Act promotes nuclear development.
Washington Public Power Supply System formed. |
| 1959 | TVA Revenue Act restricts TVA boundaries. | |
| 1960 | Nonutility generation accounts for 10% of USA total. | |
| 1961 | SL-1 Excursion accident at Idaho AEC reactor kills
three.
Largest generating unit in Canada, 300 Mw. |
First gas turbines placed into service as stationary power sources by U.S. utilities. |
| 1962 | First nuclear power in Canada, Rolphton station. | Rachel Carson's Silent Spring published, beginning environmental movement. |
| 1963 | Clean Air Act.
Columbia River Treaty ratified, opens way for international hydro developments. | |
| 1964 | 500 Kv lines, Virginia and Tennessee. | FPC conducts National Power Survey. |
| 1965 | First 765 Kv transmission line (Canada). | Northeast Blackout. |
| 1966 | Accident at Fermi nuclear plant (Michigan). | Endangered Species Act.
Hydro development on Nelson River, Manitoba begins. |
| 1967 | First commercial CANDU nuclear reactor (Canada). | P-J-M power interruption. |
| 1968 | National Electric Reliability Council formed. | |
| 1969 | National Environmental Policy Act of 1969. | |
| 1970 | National Power Survey by FPC.
Environmental Protection Agency (EPA) formed. Water and Environmental Quality Act. Clean Air Act of 1970. Earth Day--April 22. | |
| 1972 | Electric Power Research Institute (EPRI).
Clean Water Act of 1972. Power production begins at Churchill Falls (Canada). | |
| 1973 | Arab oil embargo begins, price of oil quadruples.
Endangered Species Act of 1973. Natural gas production peaks. | |
| 1974 | Number of nuclear plants on order or under construction reached peak. | First drop in sales since 1946.
AEC split up into Energy Research and Development Administration (ERDA) and Nuclear Regulatory Commission (NRC). Consolidated Edison omits dividend. Churchill Falls hydro plant completed (Canada). |
| 1975 | Brown's Ferry nuclear accident. | Thirteen nuclear projects canceled. |
| 1977 | New York City blackout.
Department of Energy (DOE) formed. Carter energy plan. | |
| 1978 | Public Utilities Regulatory Policies Act (PURPA) passed,
ends utility monopoly over generation.
Natural Gas Policy Act partially deregulates wellhead prices. Power Plant and Industrial Fuel Use Act limits use of natural gas in electric generation (repealed 1987). U.S. Supreme Court affirms primacy of FERC ratesetting in Narragansett decision. | |
| 1979 | Three Mile Island nuclear accident.
N. Wertheimer and E. Leeper publish studies linking EMF to cancer (USA). |
Hydro-Quebec's James Bay project begins operation
(Canada).
Oil prices jump $11 due to Iranian Revolution. |
| 1980 | First U.S. windfarm (N.H.). | Pacific Northwest Electric Power Planning and Conservation Act establishes regional regulation and planning. |
| 1981 | PURPA ruled unconstitutional by Federal judge--Mississippi (decisions overturned 1982). | |
| 1982 | Shippingport retired from service.
Record drop of 19 plants from list of nuclear plants in operation, under construction, or ordered. |
Nuclear Waste Policy Act directs DOE to build geological
repository for waste.
U.S. Supreme Court upholds legality of PURPA in FERC v. Mississippi (456 US 742). |
| 1983 | First denial of operating license by NRC (Byron, #1, Illinois). | Washington Public Power Supply System defaults on $2.25
billion of bonds due to inability to complete five nuclear
reactors.
P.S. of Indiana cancels Marble Hill nuclear plant, cuts dividend. Cincinnati G&E suspends Zimmer as nuclear project, announces conversion of Zimmer to coal. Production of electricity from nonutility sources hits lowest level since 1950. |
| 1984 | Annapolis, N.S., tidal power plant--first of its kind in North America (Canada). | |
| 1986 | Chernobyl nuclear accident (USSR). | |
| 1987 | Nonutility generation exceeds 5% of USA total for first time since 1974. | |
| 1988 | NASA scientist J. Hansen tells Congress that greenhouse effect already taking place. | Public Service of New Hampshire files for bankruptcy due to
nuclear project--first utility bankruptcy in more than 50
years.
FERC approves merger of Pacific P&L and Utah P&L with conditions that require transmission access for other utilities--precursor of program to open transmission networks. |
| 1989 | Shippingport becomes first nuclear plant in world to
be decommissioned to "greenfield" condition.
Series on EMF by P. Brodeur begins in New Yorker (USA). |
Long Island Lighting sells Shoreham nuclear plant to state: first completed and commissioned nuclear plant to be abandoned without commercial operation. |
| 1990 | Clean Air Act amendments mandate additional pollution
controls.
Nonutility generation reaches record level. | |
| 1992 | National Energy Policy Act. | |
| 1993 | Commercial production of variable speed wind turbine begins (USA). | TransAlta, largest investor-owned utility in Canada, files for
unbundled rates that would allow retail wheeling if approved.
Credit agencies tighten bond rating standards to reflect increasing competition and risk in electric utility business. |
| 1994 | California PUC launches inquiry into the structure of utilities,
proposes retail wheeling as a possible outcome in a phased
transition.
Michigan launches multi-year retail wheeling experiment. FPL Group cuts dividend, possibly the first electric utility to reduce dividend as a matter of financial policy rather than from financial necessity. | |
| Source: This table is from America's Electric Utilities: Past, Present and Future, 5th edition by Leonard S. Hyman. Reprinted with special permission by Public Utilities Reports, Inc., Vienna, Virginia. Copyright 1995 by Public Utilities Reports, Inc. Additional photocopying prohibited. | ||
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