406:
Aconi
Generating Station) was not required as the province's generating needs were met by current sources. Coincidentally, Nova Scotia Power had also promised to purchase electricity from small independent power producers in the province beginning in 1990, however this agreement was abolished after the Small Private Power Association of Nova Scotia intervened at the PUB hearings to block the proposed Point Aconi Generating Station. On April 27, 1989, Buchanan introduced a controversial amendment to the
896:
665:
29:
681:
understanding between Mitsui & Co. (Point Aconi) Ltd. and Jones Power Co. fixed compensation for Jones Power
Corporation at $ 118 million. The companies agreed to complete the project on November 5, 1992 and leave the contractual dispute after the project's conclusion. Additional documents were discovered after the MOU had been signed but were deemed to be protected by solicitor-client privilege or litigation privilege as detailed in
910:
459:. The hearing received submissions from citizens and organizations that were strongly opposed to the Point Aconi Generating Station, pointing out the environmental impact, that its generating capacity wasn't required, and that it was a political mega-project that would add to the financial debt of the publicly owned Nova Scotia Power Corporation.
884:, and the coal destined for the Point Aconi Generating Station was trucked the final distance to the plant. DEVCO closed the Prince Colliery, its last operating coal mine, on November 23, 2001; ironically, the original reason for constructing the Point Aconi Generating Station had been to secure the long-term viability of the Prince Colliery.
608:
January 18, 1991 by stating that the
Department of Fisheries and Oceans acted in accordance with the law in deciding not to order a full environmental assessment of the project. MacKay noted that the project has resulted in substantial testing of ground water around the plant. He also noted that because there are no standards for CO
800:
The in-plant ash-handling system conveys fly ash from hoppers under the baghouse, economizer, and air heater, as well as bottom ash from the combustor, to either of two silos located outside the powerhouse. Once in the silos, the ash is conditioned with water, loaded into trucks, and transported to a
672:
Construction of the Point Aconi
Generating Station began in early 1990 after Mitsui & Co. (Point Aconi) Ltd. contracted with Jones Power Corporation to act as construction manager and carry out construction work for the Point Aconi Generating Station project. Jones Power Corporation's obligations
655:
Mitsui formed Mitsui & Co. (Point Aconi) Ltd. as an extraprovincial corporation in another province on
December 1, 1989 as a result of its RFP submission. Mitsui & Co. (Point Aconi) Ltd. was registered in Nova Scotia on February 12, 1990 after the contract was signed with Nova Scotia Power in
595:
emissions. The DFO scientists noted widespread mistrust of the provincial government's decision and that the controversial one-day hearing in
January left the impression "of a cooked-up deal between the province and federal government to slip this project by without a fair assessment of its potential
631:
near Point Aconi was a member of this committee at that time and had questions about how emissions from the plant or ground water withdrawn for it would affect his crops or how losses would be compensated, stating, "We see all these little mistakes happening and we know we're going to get dumped on.
804:
Point Aconi uses a once-through circulating seawater system. Seawater is drawn from 1,000 m (3,300 ft) offshore at a depth of 11 m (36 ft) through a velocity cap intake structure. A tunnel 40 m (130 ft) below the seabed connects the offshore velocity cap to the onshore
796:
Point Aconi’s coal-handling system comprises an active 27,500-ton storage pile; an inactive storage pile of identical size; receiving hoppers, conveyors, crushing equipment; and four in-plant storage bunkers. The conveying system can handle 440 tons of coal per hour or about 550,000 tons per year.
792:
The drum-type reheat CFB boiler was designed to produce 547,550 kg/h (1,207,150 lb/h) of steam (maximum continuous rating) at 12,000 kPa (1,800 psi) and 538 °C (1,000 °F). Toshiba Corp. supplied the multicylinder, tandem-compound steam turbine-generator. The 3,600-rpm
405:
had authority to decide on all applications by Nova Scotia Power to construct new generating stations as well as associated rate increases. The PUB began to conduct hearings into the project in spring 1989 and stated that an economic analysis of
Buchanan's election promise (the $ 500 million Point
844:
The Point Aconi
Generating Station was originally designed to burn high sulphur coal mined in the Sydney Coal Field, which it sits atop. The primary source of coal was to be from the Prince Colliery, located 2 km (1.2 mi) east of the generating station property. The Prince Colliery was
607:
that
Valcourt had made a legal error in rejecting a public environmental review panel and that federal Environmental Assessment Review Panel guidelines should be followed to institute a formal review of the $ 436 million project. Mr. Justice Andrew MacKay ruled against the application on Friday,
704:
Nova Scotia Power
Corporation to remove public responsibility for the utility's $ 2.4 billion debt; Cameron stated that the debt had hurt the province's credit rating and that there had been allegations of political interference for setting electricity rates and decisions to build large power
680:
The Point Aconi Generating Station project ran into delays as a result of cost overruns, resulting in a series of prolonged contractual disputes that arose between 1991 and 1992. Jones Power Corporation claimed millions of dollars in additional compensation and a July 28, 1992 memorandum of
320:
which has four generating units, Point Aconi has only one. The Point Aconi unit, however, is the largest producing unit in Nova Scotia and is also the province’s newest. The facility is able to produce 165 MW and, unlike the vast majority of Canadian coal-fired power plants, uses
309:, located approximately 2 km (1.2 mi) west of the headland named Point Aconi and 2 km (1.2 mi) east of the headland named Table Head. Its civic address is 1800 Prince Mine Rd, Point Aconi, NS. The facility is located at the northern terminus of Prince Mine Rd –
797:
The limestone-handling system consists of receiving hoppers and conveyors common to the coal system, crushers, dryers, storage silos, and a pneumatic conveyor leading to two in-plant storage bunkers. Limestone also arrives by truck, at the rate of about 165,000 tons per year.
454:
Two weeks later, the provincial government announced that its Environmental Control Council would conduct a one-day hearing into the project on January 18, 1990 in place of the PUB hearings conducted the previous spring which were aborted as a result of the amendment to the
342:
Point Aconi was the world’s largest CFB plant—and the first to enter commercial service in North America—when it came on-line in 1993. Tokyo-based Mitsui & Co., Ltd. was the turnkey contractor for Point Aconi; Sargent & Lundy was the project’s architect/engineer.
712:
The Point Aconi Generating Station began operating in March 1994 and was officially opened in a ceremony on August 12, 1994 however construction was not completed until later in the fall of 1994 and the plant didn't begin commercial operation until January 1, 1995.
849:(DEVCO) which was beset with production problems at its three remaining collieries during the mid-late 1990s as a result of flooding, roof collapses and labour difficulties. The instability of locally mined coal forced Nova Scotia Power to import coal from the
542:
emissions as a result of the Point Aconi Generating Station (an estimated additional 1.5 million tonnes per year) went against a recent (1990) decision by federal and provincial energy ministers to reduce emissions of the gas by at least 20 per cent by 2005.
518:
emissions from its generating stations to 100,000 tonnes a year by 2010 from the 1990 level of 160,000 tonnes. Minister Leefe also noted that while the use of CFB technology would reduce acid rain, it would also result in a comparatively massive increase in
808:
The Point Aconi Generating Station consumes 189,000 tonnes of coal and 213,000 tonnes of petroleum coke per year and currently generates approximately 6.8% of the province's electricity and produces roughly 10.07% of the province's air pollution, including
780:
for particulate control. Point Aconi station is the only Nova Scotia Power Thermal plant without activated carbon injection system to control mercury emissions as it is an inherently lower emitter due to the injection of limestone into the process.
716:
Point Aconi was originally rated to produce 183 MW (gross) by burning 65 tons/hr of local coal and 15.5 tons/hr of limestone. The Ahlstrom Pyropower circulating fluidized-bed (CFB) combustion system was designed to achieve a 90% reduction in
462:
Other submissions from citizens and organizations were supportive of the project, which they claimed would create an estimated 500 construction and operating jobs, as well as theoretically guarantee work in Cape Breton's coal mines; the
1474:
478:
On Friday, March 9, 1990, the provincial government announced its approval of the estimated $ 436 million project, even though it had already signed a contract with Mitsui two months earlier. Nova Scotia's Environment Minister
740:
In the first years of operation the boiler was plagued by serious problems with fouling and corrosion. By 1999 the unit had an average capacity factor of 50% and a forced outage rate of 30%. A switch to a fuel blend including
582:
rejected a full environmental review of the project, arguing that any problems to the environment would be relatively minor. Valcourt justified this decision by referring to a scientific report on the project conducted by the
635:
In addition to the estimated $ 436 million cost for the generating station, the project also included construction of a $ 150 million transmission line running for 435 km (270 mi) from Point Aconi to
632:
But when we ask for a neutral party to look at this, Nova Scotia power brings in its big shooters and they knock us down like pegs. Now it's almost too late but people won't sit down and take this any more."
946:
685:
which is referenced as NSJ no. 258; 2000 NSCA 96; Mitsui & Co. (Point Aconi) Ltd. was removed from the Nova Scotia Registry of Joint Stock on June 23, 2003 after legal proceedings were completed.
793:
generator is totally enclosed and has a cylindrical rotor whose winding is directly cooled by hydrogen at 210 kPa (30 psi). The generator is rated at 217 MVA and has a power factor of 0.85.
410:, which would remove the requirement for Nova Scotia Power to submit proposals for new generating station to the PUB. Hearings into the Point Aconi project were cancelled after the amendment to the
693:
383:
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which stated that use of CFB technology could be mitigated. It noted, however, the widespread concern of local residents over the effect of the generating station's draw on
367:
region until its purchase by Nova Scotia Power in 1966 as part of DOSCO's ongoing asset liquidation. Nova Scotia Power opened the province's largest generating station, the
1479:
748:
The Point Aconi Generating Station has one 165 MW unit (name plate capacity 186 MW). Its boiler was supplied by Finland’s Ahlstrom Pyropower. The plant burns bituminous
434:
had won the Request for Proposals (RFP) that had been issued in fall 1988 and a contract was signed on behalf of the Government of Nova Scotia. The proposal detailed a
1245:
1351:
877:
640:. Several property owners along the proposed route rejected offers by Nova Scotia Power to purchase their land, citing the physiological effects of the
70:
394:. After Buchanan's government was returned to power, Nova Scotia Power issued a call for proposals in October 1988 to construct a 150 megawatt CFB (
728:
After initial production issues at the Point Aconi facility were resolved, Nova Scotia Power Corporation closed and decommissioned the 65-year-old
745:
and design changes to the boiler solved these problems. By 2005 the capacity factor was increased to 92% and the outage rate reduced to under 2%.
252:
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1311:
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402:
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The idea of replacing the aging Seaboard Generating Station was discussed during the 1980s and was an important promise by the incumbent
846:
387:
376:
360:
1405:
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Nova Scotia Power pointed out the environmental benefits of the Point Aconi project, stating that the use of CFB technology whereby
391:
291:
923:
619:
A citizens liaison committee was established by Nova Scotia Power to review the project. Current (2010) Member of Parliament for
546:
The debate over construction of the Point Aconi Generating Station took place in the shadow of a much larger global debate over
475:
asked at the one-day hearing, "Can you give us some evidence that this process is not an exercise in public relations, a sham?"
881:
464:
554:
which was signed by both countries on March 13, 1991 and stipulated that both countries would agree to reduce emissions of
531:; Leefe told reporters that Nova Scotia's coal-fired plants contributed 32 per cent of the 18 million tonnes per year of CO
1368:
761:
644:
from transmission lines. Additional controversy occurred when it was determined that the proposed route would disturb a
1348:
692:
in the wake of a corruption scandal relating to his tenure as premier. The selection of a new leader for the governing
584:
438:
project designed by Mitsui with the CFB steam boiler supplied by Pyro-Power through Kamtech Services (a subsidiary of
865:
700:, took place on February 26, 1991. Cameron made a surprise announcement on January 9, 1992 that his government would
1484:
688:
Construction of the plant was overshadowed by the resignation of Premier John Buchanan upon his appointment to the
550:
and its contributing factors, such as fossil fueled generating stations. The acid rain controversy resulted in the
873:
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947:"Company/Facility information: Nova Scotia Power Incorporated/Point Aconi Generating Station (2017)"
664:
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401:
Significant controversy dogged Buchanan's election promise to build a new generating station as the
28:
1246:"Nova Scotia Power's Point Aconi plant overcomes CFB design problems to become rock of reliability"
1174:
1159:
1144:
1097:
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Nova Scotia Power anticipates that the Point Aconi generating station will be shut down by 2029.
757:
628:
372:
306:
221:
1337:
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is handled dry and land-filled. The unit has one chimney 100 m (330 ft) above ground.
487:
emissions, stating " absolutely inconsequential in terms of global carbon dioxide production."
1377:
1213:
1126:
822:
818:
810:
649:
612:, it was impossible to say that the plant would create a pollution problem with its massive CO
295:
131:
1204:
596:
dangers. In fact, problems are relatively minor... Point Aconi is in some respects a model."
294:. A thermal generating station, the Point Aconi Generating Station is owned and operated by
1187:"Aconi generates more jobs, less flak: Power plant officially opened, but still not ready."
826:
689:
645:
579:
869:
861:
555:
495:
1455:
History of Nova Scotia with special attention given to Communications and Transportation
1436:
History of Nova Scotia with special attention given to Communications and Transportation
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1429:
814:
753:
742:
563:
528:
520:
503:
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333:
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1319:. Triton Environmental Consultants Ltd. for Environment Canada. June 2010. p. 17
915:
901:
854:
850:
174:
1065:
Special to the Globe and Mail "Lawyer contends minister erred in coal plant ruling"
805:
pump house. The two-pass, surface-type deaerating condenser operates at 1 inch HgA.
591:
supplies (CFB requires large amounts of fresh water) as well as ash discharge and CO
860:
From 1998 to 2000, Nova Scotia Power brought imported coal into Nova Scotia at the
765:
588:
415:
302:
193:
1338:"Dirty Air from Power Plants Fuels Health Problems in Nova Scotia" Pollution Watch
1005:
Kevin Cox (March 10, 1990). "Nova Scotia to construct a coal-fired power plant".
624:
468:
287:
58:
1270:
1142:
Kevin Cox "N.S. to sell off electrical utility: Premier sets June stock sale."
891:
786:
480:
375:
to take advantage of relatively cheap Cape Breton coal being produced by the
85:
72:
909:
725:
emissions—very respectable numbers in 1994, when the plant began operation.
701:
547:
511:
491:
1430:"NSP to Import More U.S. Coal: Coal Shortage Shuts Down Generating Plant"
1406:"Nova Scotia Power plans to burn heavy fuel oil at phased-out coal plants"
986:
Kevin Cox "Panel asked to show evidence power plant hearing not 'sham'."
777:
276:
227:
872:. That required coal ordered for the Point Aconi Generating Station and
442:
of Abilene, Texas), project management and engineering by Chicago-based
261:
782:
668:
Point Aconi Generating Station seen from the waters of the Cabot Strait
435:
971:"Buchanan short-circuits N.S. utilities board with power plant bill."
298:. It opened on August 13, 1994 following four years of construction.
1206:
North America natural gas market dynamics : global LNG, a review
431:
279:
709:
for 85 million shares of the utility took place on August 12, 1992.
514:. Minister Leefe stated that Nova Scotia Power intended to reduce SO
301:
The Point Aconi Generating Station is situated on the shores of the
1050:
Kevin Cox "Ottawa rejects full review of power station's effects."
756:
in a variety of blends, which is transported to the facility using
446:, and construction of the plant itself by Jones Power Corporation.
663:
427:
1475:
Buildings and structures in the Cape Breton Regional Municipality
1123:
The Civil Litigation Process: Cases and Materials, Sixth Edition.
749:
603:
and six property owners who live near Point Aconi argued in the
578:
On September 20, 1990, federal Minister of Fisheries and Oceans
154:
1212:. Calgary AL: Canadian Energy Research Institute. p. 28.
326:
426:
In early January 1990, Nova Scotia Power announced that the
398:) coal-fired electrical generating station in Point Aconi.
953:. Environment and Climate Change Canada. 13 September 2018
648:
colony, which brought angry responses from members of the
282:
electrical generating station located in the community of
1349:
Facility and Greenhouse Gas Emissions, Environment Canada
1110:
242:
16:
Thermal Generating System in eastern Nova Scotia, Canada
857:
beginning in 1998 to supplement the supply from DEVCO.
1240:
1238:
1236:
683:
Mitsui & Co. (Point Aconi) Ltd. v. Jones Power Co.
483:
defended the projected 1.5 million tonnes per year of
1157:
Dennis Slocum "N.S. Power share offering a sellout."
471:, the environment critic for the official opposition
768:. The unit is a fluidized bed combustor built for NO
1095:Kevin Cox "Power plant ruffles more than feathers"
248:
238:
233:
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199:
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137:
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117:
109:
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64:
50:
42:
21:
1273:History of Electric Power Companies in Nova Scotia
599:On December 13, 1990, lawyers for Greenpeace, the
363:and was the sole supplier of electricity for the
1125:Toronto: Emond Montgomery Publications Limited
951:NPRI Data Search - Detailed Facility Information
833:under Nova Scotia's Cap-and Trade regulations.
467:Local 26 had lobbied hard for the power plant.
1080:Kevin Cox "Power but no glory in Point Aconi"
825:. In 2007, it created 1.465 million tonnes of
1370:2019 Summary of 2017 Greenhouse Gas Emissions
1252:. Access Intelligence, LLC. 14 September 2006
941:
939:
8:
1367:Department of Environment (February 2019).
878:Cape Breton and Central Nova Scotia Railway
776:, control. The station has a fabric filter
1023:"Canada-United States Clean Air Agreement"
721:emissions and a 65% to 75% reduction in NO
574:Full federal environmental review rejected
552:Canada-United States Air Quality Agreement
538:The projected increase in Nova Scotia's CO
18:
801:disposal site located next to the plant.
1480:Coal-fired power stations in Nova Scotia
1449:"Pennsylvania Coal Unloaded at Sydney,"
1271:"Seaboard Power Corporation" taken from
1000:
998:
935:
845:owned by the federal Crown corporation
829:. In 2017 it reported 1,188,377 tonnes
627:whose family operated several farms on
253:Related media on Commons
535:emitted by the province (as of 1990).
7:
1457:, Chapter 40, September-October 1998
1438:, Chapter 40, September-October 1998
1111:Nova Scotia Registry of Joint Stock
880:to the DEVCO coal washing plant at
847:Cape Breton Development Corporation
760:from a bulk ship unloading pier in
510:) which were major contributors to
440:Lauren Engineers & Constructors
377:Cape Breton Development Corporation
361:Dominion Steel and Coal Corporation
1313:Control of Mercury Emission-to-Air
673:were guaranteed by its subsidiary
585:Department of Fisheries and Oceans
14:
292:Cape Breton Regional Municipality
1290:2016 Emera Sustainability Report
924:List of power stations in Canada
908:
894:
146:Thermal power station
27:
864:aggregate loading facility in
694:Progressive Conservative Party
465:United Mine Workers of America
384:Progressive Conservative Party
273:Point Aconi Generating Station
33:Point Aconi Generating Station
22:Point Aconi Generating Station
1:
1453:October 23, 1998, taken from
1434:October 23, 1998, taken from
1203:Kralovic, Paul (March 2011).
325:(CFB) to reduce emissions of
296:Nova Scotia Power Corporation
1404:Withers, Paul (4 Jul 2023).
705:projects. The $ 850 million
494:would be used to filter out
1376:. Province of Nova Scotia.
1172:"N.S. Power earnings off."
1163:, Thursday, August 13, 1992
730:Seaboard Generating Station
353:Seaboard Generating Station
305:at the northeastern tip of
290:, a rural community in the
1501:
1148:, Friday, January 10, 1992
1056:Friday, September 21, 1990
992:, Friday, January 19, 1990
977:, Thursday, April 27, 1989
1193:Saturday, August 13, 1994
1178:Saturday, August 13, 1994
1071:Friday, December 13, 1990
876:to be transported by the
874:Lingan Generating Station
862:Martin Marietta Materials
831:carbon dioxide equivalent
396:Circulating Fluidized Bed
369:Lingan Generating Station
323:Circulating Fluidized Bed
318:Lingan Generating Station
258:
208:
204:
38:
26:
1086:Saturday, March 16, 1991
527:) emissions which was a
430:industrial conglomerate
392:1988 provincial election
1286:"Improving Air Quality"
707:initial public offering
675:J.A. Jones Construction
605:Federal Court of Canada
444:Sargent & Lundy LLC
371:, at the height of the
222:Nameplate capacity
171:Turbine technology
110:Construction began
86:46.321633°N 60.329987°W
1121:Walker, Janet (2005).
1101:Saturday, July 6, 1991
764:near the community of
669:
365:Industrial Cape Breton
243:https://www.nspower.ca
213:Units operational
667:
642:electromagnetic field
601:Ecology Action Centre
422:Request for proposals
200:Power generation
91:46.321633; -60.329987
1190:The Chronicle Herald
457:Public Utilities Act
418:in early June 1989.
412:Public Utilities Act
408:Public Utilities Act
403:Public Utility Board
119:Commission date
758:semi-trailer trucks
234:External links
189:Cooling source
161:Secondary fuel
82: /
1175:The Globe and Mail
1160:The Globe and Mail
1145:The Globe and Mail
1098:The Globe and Mail
1083:The Globe and Mail
1068:The Globe and Mail
1053:The Globe and Mail
1027:Environment Canada
1008:The Globe and Mail
989:The Globe and Mail
974:The Globe and Mail
670:
629:Boularderie Island
373:1979 energy crisis
316:Unlike the nearby
307:Boularderie Island
1485:Nova Scotia Power
1383:978-1-55457-930-3
1219:978-1-896091-97-6
882:Victoria Junction
819:hexachlorobenzene
811:hydrochloric acid
269:
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151:Primary fuel
132:Nova Scotia Power
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1451:Cape Breton Post
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1432:Cape Breton Post
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1029:. Archived from
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827:greenhouse gases
690:Senate of Canada
646:great blue heron
580:Bernard Valcourt
262:edit on Wikidata
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870:Strait of Canso
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656:early January.
621:Sydney—Victoria
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569:
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556:sulphur dioxide
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496:sulphur dioxide
452:
450:Public hearings
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386:led by Premier
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192:Water from the
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1354:2013-06-27 at
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303:Cabot Strait
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194:Cabot Strait
113:January 1990
1292:. Emera Inc
866:Auld's Cove
840:Coal supply
625:Mark Eyking
616:emissions.
469:Richie Mann
390:during the
359:in 1931 by
347:Development
311:Highway 162
288:Nova Scotia
284:Point Aconi
105:Operational
89: /
65:Coordinates
59:Nova Scotia
55:Point Aconi
1469:Categories
1389:16 October
1037:2010-04-26
930:References
787:bottom ash
481:John Leefe
414:receiving
355:opened in
77:60°19′48″W
74:46°19′18″N
1133:, pg. 826
736:Operation
732:in 1997.
702:privatize
548:acid rain
512:acid rain
492:limestone
379:(DEVCO).
357:Glace Bay
275:is a 165
226:185
138:Employees
1415:3 August
1410:CBC News
1352:Archived
1256:10 April
957:10 April
888:See also
778:baghouse
428:Japanese
280:Canadian
181:Chimneys
128:Owner(s)
51:Location
1323:9 April
1296:9 April
1225:9 April
868:on the
823:mercury
783:Fly ash
638:Halifax
436:turnkey
249:Commons
239:Website
43:Country
1380:
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772:and SO
562:) and
502:) and
432:Mitsui
102:Status
46:Canada
1374:(PDF)
1317:(PDF)
1210:(PDF)
260:[
1417:2024
1391:2019
1378:ISBN
1325:2020
1298:2020
1258:2020
1227:2020
1214:ISBN
1127:ISBN
959:2020
853:and
821:and
785:and
752:and
750:coal
351:The
332:and
271:The
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506:(NO
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