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Sevan

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  • #51
    Re: Sevan

    Originally posted by arakeretzig View Post
    water is fuel?
    Armenia has two major autonomous energetic systems, independent, or partly independent from import needs.
    1- Hydro Energy: it produces roughly 20% of the electricity.
    2- Medzamor. (This is partly independent since you need to inport fuel bars from Russia at least once a year, and the station is supposed to stop in 2016 , and no replacement is yet financed): produces roughly 40% of electricity at its full capacity of 440 MW today.
    http://en.wikipedia.org/wiki/Metsamo...ar_Power_Plant

    Remaining 40-45 % is produced by Hydrocarbons: Gaz/Oil/fuel.
    Now you must consider Electric Capacity installed, wich is rarely used at its max capacity full year.
    Then you must consider reserves.
    You can not stock reserves at Metzamor. It produces rather steady volume, when it works.
    You can not stock solar energy, (inexistent today), nor wind energy (symbolic one test station in Pushkin Pass).
    You can stock some Gaz in one major strategic underground facility, built in Apovian salt mines (max autonomy if Gaz import is stopped: less than 2 months).
    You can stock fuel/Diezel: limited capacity installed, some capacities classified by army: you may use it for electricity or tanks....
    You can stock water, if you have reservoirs, for Hydro power.
    And we have one and unique major reservoir, that is Sevan.

    If hydropower represents only 18-20% of annual production today (some important chunk is exported today, some officially, some in gray zone to Turkey, Georgia, and Iran), its installed capacity, at full , may be enough for 40-45% of national consumption.
    We use it at minimal rate, to spare Sevan (when official policy is respected), and insure pic capacity during extra needs (winter cold, when Metzamor is closed, or when Gaz import stops).
    That is while annually Hydro produces less than 20%, at one given moment, at its peak, you may have its proportion as high as 40%, or even more.

    So, our only real domestic source is Hydro.
    And hydro is divided in 2 major systems:
    Sevan and Vorotan cascades.
    The remaining capacities are are non relevant: hundreds of micro-stations: all together represent less than 5% , and virtually none have reservoirs built.
    While the initial intention was noble, this turns now to a misuse of potentials, for cheap and quick investments, with state sponsored and garantyed income for oligarkhs and aparatchiks (worst exemple is the recent case of Dzoraget: we might had a 3 rth major cascade by building a big capacity reservoir, with a state sponsored project worth hundred of millions, instead a bunch of oligarkhs will install small stations, with no reservoir, small invest, big income..).

    So you have Vorotan cascade, 3 major stations, and a medium size reservoir called Spantaryan; At its full capacity, the reservoir will not even last 2 months.
    Easy to say, this is important, but not strategic.
    http://vorotancascade.am/en/info.html

    And finally you have Sevan, with a cascade of 6 major stations.
    http://www.raztes.am/eng/hpp.htm
    At its full capacity, 550 MW (that is more than the Medzamor's actual 440 MW) and thanks to modernization of stations going on in last decade, only Sevan cascade can produce roughly 50% of the electricity consumed.
    Each meter up in Sevan, is equivalent roughly to 1250 million M3 of water.
    To compare, our bigest reservoir (put aside Akhuryan, under joint control of Ankara, and producing no electricity), that is Spantaryan reservoir is in full 218 m3 (actual capacities).
    That is 1 meter up in Sevan is 5,7 times more that all of Spantaryan.

    By now I think you have quite a good idea about capacities..
    Now keep in mind, that once there is a war situation, you may pretty surely have blockade on energy imports.
    So you may have to chose, between using you oil reserved on tanks, or generating electricity.
    Last time we chose the first option, more or less.....and Sevan paid a huge price, by losing roughly 2 meters..
    Should we repeat the same cold dark episode?
    Last edited by Vrej1915; 05-31-2012, 05:28 PM.

    Comment


    • #52
      Re: Sevan

      great post Vrej and tx for giving us the realities on the ground.....past and present. Salute

      there are two lakes that are very dear to me, Lake Urmia is already lost and and don't want the same to happen the Lake Sevan, even in times of war.
      B0zkurt Hunter

      Comment


      • #53
        Re: Sevan

        Originally posted by eddo211 View Post
        great post vrej and tx for giving us the realities on the ground.....past and present. Salute

        there are two lakes that are very dear to me, lake urmia is already lost and and don't want the same to happen the lake sevan, even in times of war.
        your welcome

        Comment


        • #54
          Re: Sevan

          Originally posted by Vrej1915 View Post
          Now keep in mind, that once there is a war situation, you may pretty surely have blockade on energy imports.
          So you may have to chose, between using you oil reserved on tanks, or generating electricity.
          Last time we chose the first option, more or less.....and Sevan paid a huge price, by losing roughly 2 meters..
          Should we repeat the same cold dark episode?
          well, what choice do we have? it's not like you can run tanks on electrical batteries.. or CAN U ?

          Comment


          • #55
            Re: Sevan

            Originally posted by arakeretzig View Post
            well, what choice do we have? it's not like you can run tanks on electrical batteries.. or CAN U ?


            Perhaps I may suggest you read again??

            Comment


            • #56
              Re: Sevan

              Originally posted by Vrej1915 View Post


              Perhaps I may suggest you read again??
              yeah, i see now. nvm I thought you were talking about military tanks...

              Comment


              • #57
                Re: Sevan

                Originally posted by arakeretzig View Post
                yeah, i see now. nvm I thought you were talking about military tanks...

                Comment


                • #58
                  Re: Sevan

                  Another bad news yet for Sevan.
                  As if the poisoning from Sotk (Gold) and Chorja (Chrome) mines, with illegal factories built in total impunity was not enough, now the water coming from Arpa will be poisoned due to open pit mining on Amulsar (the montain dominating Ketchud and Spantaryan reservoirs, both providing water to the tunnel Vorotan-Arpa Sevan).
                  To remind: state revenues from mining are minimal, due to fraud, and lack of final refining (Armenia exports 'concentrate', that is all the pollution is for us, end product in Germany, but since we exported 'concentrate', often >95% enriched, it is not taxed as gold, silver, molybden or copper...)
                  If the state could impose close pit (tunnels) in place of open pits, the damage would be less, but oligarkhs will have less bonanza money....
                  It never happens now days.

                  --------
                  ԷկոԼուր

                  Մայիսի 31-ին «Ջերմուկի զարգացման կենտրոն» հասարակական կազմակերպությունը կազմակերպեց քննարկում այն մասին, թե ինչպես Ամուլսարի ոսկու հանքավայրի բաց եղանակով շահագործման նախագիծը կազդի ջրային ռեսուրսների վրա: Քննարկմանը մասնակցեցին «Գեոթիմ» ընկերությունը, որն իրականացնում է նախագիծը, անկախ փորձագետներ, հասարակական կազմակերպություններ:

                  Նախքան քննարկման մասին նյութերը հրապարակելը, «ԷկոԼուր»-ը ներկայացնում է «Ամուլսարի ջրային ավազանը» տեսահոլովակը: Ապրիլի կեսերին «ԷկոԼուր»-ը եղավ Ամուլսարի` Որոտան եւ Արփա գետերի ջրահավաք ավազանում: Տեսանյութում պարզ երեւում է, թե ինչպես է ողջ Ամուլսարը պատված առվակներով, որոնք առաջացել են ձնհալից: Առվակները հոսում են ներքեւ , թափվում մակերեսային ջրերի մեջ, եւ վերջնական արդյունքում ջուրը հայտնվում է երկու խոշոր ջրամբարներում` Սպանդարյանում եւ Կեչուտում: Ամբողջ ավազանը փոխկապակցված է բնական եւ արհեստական ջրհոսքերով:

                  Մեր կարծիքն է, որ ողջ ջրավազանի համար առկա են թափոններով աղտոտման ռիսկեր: Այդ ռիսկերը պետք է պարտադիր կերպով արտացոլված լինեն փորձաքննության եզրակացության համար ներկայացված նախագծում:
                  http://www.ecolur.org/hy/news/water/...s-photos/3883/

                  http://www.youtube.com/watch?feature...&v=mv-5TjfO6tI
                  Last edited by Vrej1915; 06-02-2012, 11:26 PM.

                  Comment


                  • #59
                    Re: Sevan

                    In all these bad news, one very good news.
                    Long awaited, Marmarik reservoir was commissioned:
                    http://tv.am/en/armeniannews/lraber/...-reservoir.htm

                    This will take some pressure off Sevan.
                    The dam was built in Soviet times, but with very poor quality.
                    It failed during filling of water, and a major catastrophe was miraculously avoided (Apovian, Getchariss are under the dam).
                    Finally a WB loan permitted refurbishing of the dam.
                    No major hydro power from this, but spares water from Sevan.

                    Remains one major dam to be completed.
                    The major, the big one: Yeghvard dam.....

                    -----
                    http://www.armhydro.am/pdf/design/re..._reservoir.pdf
                    http://www.panarmenian.net/eng/economy/news/51099/
                    http://www.armtown.com/news/en/nws/20111001/76290/
                    -----
                    photos:
                    http://www.panoramio.com/photo/33199684
                    http://www.panoramio.com/photo/33199659

                    -----
                    Comprehensive impact study of the Marmarik reservoir:
                    http://www.nature-ic.am/res/seminars...ummary-eng.pdf
                    Last edited by Vrej1915; 06-03-2012, 02:53 PM.

                    Comment


                    • #60
                      Main task of the decade: Yeghvard reservoir

                      Construction of Yeghvard’s Water Reservoir Needs Sponsors

                      YEREVAN (Armenpress)–The project for the construction of Yeghvard’s water reservoir has been reviewed by ArmWaterDesign Institute at the request of Armenia’s Agriculture Ministry. This water reservoir–if built–will significantly reduce the volume of water pumped out from Lake Sevan for irrigation purposes.
                      According to the original project–the reservoir capacity should have been 228 mln cubic meters–of which 90 mln cm of water must have been accumulated from the Hrazdan and Kasakh rivers–while the rest should have been raised by means of pump stations set on the river Sevjur.
                      According to the deputy head of the institute Yuri Javadian–the project was discussed at the technical council and a decision on establishing a water reservoir with a capacity of 90 mln cubic meters was made. This water reservoir will give the opportunity of reducing the water pumped out from Sevan by 41.5 mln cm.
                      As Javadian said–according to the technical-economic calculations–about $70 million be required for the construction of the water reservoir. The plan has already been presented to the Foreign Affairs Ministry–which has sent it to foreign countries for sponsors.

                      http://asbarez.com/44535/constructio...eeds-sponsors/

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