Studies

We have been successfully carrying out numerous types of studies and calculations since 1987.

Examples are listed below.

HAMINAN ENERGIA OY
2012, Energy production study
The study covered the town planning area of Tervasaari and included the following:
• defining heat demand of buildings and areas
• preliminary dimensioning of heating network and planning of route map
• comparison study of the following heat production alternatives
– local heat pump heating (including district cooling)
– local district heating
– joining together all district heating areas; heat production by biomass boiler
– joining together all district heating areas; heat production by a combined heat and power plant (CHP) fueled by natural gas
• investment presentation
• energy costs calculations for different energy alternatives

KAINUUN ETU OY
2014, Incorporation study of district heating business for municipalities
Incorporation study for five municipalities in the Kainuu region (Hyrynsalmi, Paltamo, Puolanka, Ristijärvi and Vaala) regarding possibility of developing, optimising and incorporating their district heating operations

KALAJOEN LÄMPÖ OY
2014, Development plan for district heating
Long-term development plan for the basis of strategic planning for providing competitive district heating to existing and new customers of Kalajoen Lämpö Oy

KARVIAN LÄMPÖ OY
2015, Study on district heating delivery security
The study examined increasing the biofuel capacity of the current power plant and its cost effects on the price of district heating energy

KIVIJÄRVI MUNICIPALITY
2012, Competitive bidding of district heating energy production and drawing up contract of purchase
2013, District heating cost calculation
2013, Defining the present value of Kivijärven Lämpö Oy’s heating station

LAPPAJÄRVI MUNICIPALITY
2008, Feasibility study of biofuel district heating
Study on the feasibility of extending district heating and comparison of the following heat production alternatives and their costs:
• building-specific light fuel oil heating
• steam heating plant (1 MW biomass boiler and 1,5 MW heavy fuel oil boiler) for industrial site and Lappajärven Värjäämö Oy
• steam heating plant (2 MW biomass boiler and 2 MW heavy fuel oil boiler) for entire area

LUUMÄKI MUNICIPALITY / LUUMÄEN ENERGIA OY
2012, Comparison of heat production alternatives
Study on the district heating cost calculation of the municipality’s own production of district heating by wood chips and of purchased district heating energy. A reference of the current price of district heating produced with natural gas price was used.
2014, Incorporation study on the municipality’s natural gas and district heating operations
2014, Location study of biofuel heating plant
Study on the dimensioning of the boiler in order for it to produce 95 – 98 % of annual district heating production with biofuels. Investment value and district heating cost calculations were made for the four alternative locations of the biomass heating plant studied.
2015, Energy investment application for construction of biofuel heating plant

NIVALAN KAUKOLÄMPÖ OY
2015, Study on district heating basic fee rate
Study on the basic fee rate of district heating and its sufficiency in relation to total costs of heat production.

NÄRPIÖN KAUKOLÄMPÖ OY

2004, District heating feasibility study
Study on the feasibility of starting up district heating operations and comparing different fuel alternatives
2010 – 2011, Feasibility study on increase of biofuel capacity to existing heating plant
The study was carried out in two phases:
• feasibility study on the construction of an additional biomass boiler
• effect of 4 MW biomass boiler and 4,5 MW steam boiler investments on energy price
2015, District heating development plan

OULUN KAUPUNKI
2011, Energy production study of Korvenkylä
The study compared energy production alternatives for the town planning area of Korvenkylä suburb with the following alternatives:
• building-specific geothermal heating
• area-specific geothermal heating
• area-specific heating with biofuel heating plant
• connection of areas to district heating network of Oulun Energia company
The study consisted of defining the heating demand of buildings and areas, preliminary dimensioning of network, preliminary route map, proposal for site of centralised heat production equipment, calculations of investment needs and energy prices.

OTANMÄEN LÄMPÖ OY
2014, Competitive bidding of fuel supply and maintenance of heating plants, and drawing up of said contract

OY HERRFORS AB
2011, Combined heat and power (CHP) project in Ylivieska muncipality
The CHP project was carried out in two phases:
1) Phase one: Defining heating demand, fuel study, study on alternative heating plants  and their dimensioning (heating plant 11 MW / ORC-power plant / CHP-plant 3,3 MWe and 11 MWth) as well as energy balance calculations
2) Phase two: CHP-plant 3,3 MWe and 11 MWth / CHP-plant 5,1 MWe and 17 MWth

PARAISTEN KAUKOLÄMPÖ OY
2002, District heating feasibility study
The study examined the feasibility of extending district heating by joining the networks of Parainen and Tennby and building a new district heating network in Söderby. All calculations and measurements were based on the premise that appr. 90% of the total energy demand was produced by waste heat purchased from Nordkalk Oyj Abp, and from a new biofuel heating plant.
• maximum capacity demand
• optimal dimensioning and cost estimate of district heating network
• district heating network route map
• location and cost estimate of biofuel heating plant
• optimising boiler dimensioning of biofuel heating plant
• technology of biofuel storage and annual fuel amounts
• preliminary minimum energy price calculation of district heating
2004, Study on utilising Finnsementti OY’s waste heat
The study examined the possibility of selling Finnsementti OY’s waste heat to Paraisten Kaukolämpö Oy for its distrcit heating network for increasing the efficiency of heat recovery. The outcome was a recommendation for equipment procurement and alteration work to automation systems. The study examined four different input capacity alternatives. Connection trunk lines and investments were calculated for each alternative. In addition, energy prices were calculated for current and future consumption for the different alternatives.
2005, Defining the price of district heating energy sold to Finnsementti Oy
The study defined the price of district heating energy for which Paraisten Kaukolämpö Oy may econimcally sell it to Finnsementti Oy during its cement factory’s production stoppage periods.

PJELAX ENERGI AB OY
2007, Feasibility study of biofuel district heating
The study examined the feasibility of building an 8 MW biofuel heating plant in order to replace the consumption of heavy fuel oil used to power five greenhouses.

POSION VESI JA LÄMPÖ OY
2011,  CHP study
The study examined the cost effectiveness of the following heating plant alternatives:
• new heating plant (biomass boiler 4 MW + heavy fuel oil boiler 2 MW)
CHP plant with ORC technology
Drawing up of preliminary application for electricity feed-in tariff to the Energy Authority of Finland

RISTIJÄRVI MUNICIPALITY
2015, Preparation of tender for buying district heating energy into the network, comparison of received offers
2015, Drawing up of energy subsidy application for building of biofuel heating plant

RUOKOLAHTI MUNICIPALITY
2014, Incorporation study of the municipality’s natural gas and district heating operations
2015, Study on the tariff system of natural gas and district heating
The study examined the tariff system of natural gas and district heating operations of Ruokolahti municipality.

SIIKAJOKI MUNICIPALITY
2011, Updating district heating tariff system
2014, Incorporation study of the municipality’s district heating operations

SUOMUSSALMI MUNICIPALITY
2014, Incorporation study of the municipality’s district heating operations

TAIPALSAAREN LÄMPÖ OY
2015, Long-term district heating plan (LTP)
Drawing up of LTP for Taipalsaaren Lämpö Oy in order to ensure and develop district heating production and distribution in its area of operation (Taipalsaari centre, Saimaanharju and Ketvele)

TALVIVAARA SOTKAMO OY
2012, Energy production development plan
The study examined the possibilities of meeting the demands for heating and steam power set by the planned extensions in the Talvivaara mine area. A steam biofuel heating plant was dimensioned taking into account the increased demands for heating and steam power, production possibilities during the summer months (minimum power) and optimisation of fuel costs. The calculations included a cost estimate of the steam biofuel heating plant, district heating network, new steam and condensate line and investment need for pipe bridge.

VAALA MUNICIPALITY / VAALAN KAUKOLÄMPÖLIIKELAITOS
2014, Feasibility study on substituting consumption of heavy fuel oil by increasing capacity of biomass boiler in district heat production
2014, Drawing up of energy subsidy application for building biofuel heating plant

VERSOWOOD OY, Riihimäki unit
2012, Study on sale of heat
The study examined alternatives for heat production and sales into the district heating network. The study included a recommendation on the optimal dimensioning of heating plant using Versowood Oy’s by-products, taking into account possibilities of heat sales and plant type:
• new 12 MW biomass boiler
• CHP-plant (9 MWth + 2,7 MWel)
Calculations were made including and excluding energy subsidy.

VIITASAAREN LÄMPÖ OY
2011, Cost effectiveness calculations for Kurkela area
The study for Kurkela’s row housing area examined the following heat production alternatives:
electric heating
• building-specific light fuel oil heating
• geothermal heating
• building of heating plant
• connection to existing district heating network
The study accounted for different numbers of buildings.