Derrick Golf and Winter Club |
Where:
Edmonton, Alberta, Canada
What:
The Derrick Club in Edmonton required a turnkey system to provide space heating and offset growing electricity costs for the entire complex. APower Ecosystems combined heat and power(CHP) system was chosen and implemented, producing 1.242 MBTU of heat per hourfor space and domestic hot water heating while simultaneously producing 239 kWof electricity to power the building.
Purpose:
The cost of a steadily increasing electricity bill was the primary reason the Derrick Club approached Cummins Power Ecosystems. ACHP system would provide the organization with substantial and increasing savings against current market electricity costs, and provide a green source of electricity. The Power Ecosystems unit solved heating and power needs while decreasing greenhouse gas emissions by approximately 942 tonnes per year - the equivalent of having about 166 cars removed from the road.
Primary reason for choosing Power Ecosystems:
Cummins Power Generations proven track record combined with the state-of-the-art product from Power Ecosystems / Ener.G formed the backbone of the decision making process. Assisted by positive comments from thousands of references sites and the expertise and financing options provided by Power Ecosystems, the choice was an easy one to make.
The Case StudyPower Ecosystems provides immediate material electricity savings and ongoing electricity Inflation avoidance for the estimated 15-20 year equipment life of the system.
In 1958, the Derrick Club began to convert 150 acres into the golf and country club it istoday. With an 18-hole golf course, pools, banquet facilities, curling rinks, badminton and tennis courts, the clubs needs for cost effective heating and power systems were great. The Power Ecosystem CHP unit replaced the original, inefficient boiler to address this issue. At no upfront cost to the building owner or tenants, Power Ecosystems installed the CHP system in the facility.
The cogeneration boiler isa highly sophisticated system consisting of a generator set, heat recovery equipment and control/monitoring systems essential to maximum efficiency operation.
The unit is the lead boiler on the building, using natural gas to produces electricity and heat simultaneously for powering and heating the building. The Power Ecosystem enclosure technologies ensure that the unit is extremely quiet, well under regulatory requirements, and there is no vibration making it virtually disturbance free to tenants and neighbors.
Our boiler produces green electricity-at almost no cost.
| CHP Efficiency | Conventional Boiler and Grid efficiency |
|---|---|
| 80% | 51.5% |
Studies show thermal power generation uses about 25 gallons fresh water per kWh produced with coal.
ECONOMICSEconomic Benefit Calculations
| Delivered costs at time of decision: | |
|---|---|
| Green electricity: | $.15/kWh |
| Conventional @ market: | $.14/kWh |
| Natural gas: | $8/GJ |
| Electricity output of CHP: | 239 kW/h |
| Heat output: | 1.242+ MBTU |
| Fuel input: | 2.71 GJ/hr |
| All-in Project Cost: | $428,152 |
| Maintenance cost: | $.018/kWh |
Conventional Cost:
Value of electricity from the grid:
239 kW @ $.14/kWh = $33.46
Value of boiler produced heat:
364 kW = 1.31 GJ @ 70% efficiency = 1.87
1.87 @ $8/GJ = $14.55
Total: $48.01/hour
CHP Cost:
Fuel for CHP:
2.71 GJ @ $8/GJ = $21.68
Maintenance:
239 @ $.018/kWh = $4.30
Total: $25.98/hour
Total savings: $22.03/hour
(GHG) potential:
942 tonnes/year @ $18/tonne = $16,956/year
Total savings per year:
$22.03 X 7,271 operating hours (Sept to June)
plus GHG = $160,180.13
Simple payback on a unit purchase: 2.6 years