Delaware Electric Cooperative Efficiency, Conservation, Demand Side - - PowerPoint PPT Presentation

▶

Jun 20, 2023 561 likes •766 views

Delaware Electric Cooperative Efficiency, Conservation, Demand Side Management Efficiency & Conserv rvation LED Lighting LED vs Incandescent = 80% savings LED vs Mercury Vapor = 75% LED vs High Pressure Sodium =60% CFL Lighting CFL =

SLIDE 1

Delaware Electric Cooperative

Efficiency, Conservation, Demand Side Management

SLIDE 2

Efficiency & Conserv rvation

SLIDE 3

LED Lighting

LED vs Incandescent = 80% savings LED vs Mercury Vapor = 75% LED vs High Pressure Sodium =60%

CFL Lighting

CFL = 145,000 bulbs Savings = 5,500,000 kWh/yr

SLIDE 4

Poultry ry LED

10 Watt LED 60 Watt Incandescent

SLIDE 5

Poultry ry LED

12,836 2,557

2,000

4,000 6,000 8,000 10,000 12,000 14,000

kWh

Energy Usage

7 Flocks Incandescent LED

10,279 kWh = 80% Savings

$843.30 $167.99

$0.00 $100.00 $200.00 $300.00 $400.00 $500.00 $600.00 $700.00 $800.00 $900.00

Cost

Energy Cost

7 Flocks Incandescent LED

$675.31 = 80% Savings

60 Watt Incandescent vs 10 Watt LED

SLIDE 6

Poultry ry LED

2012 = 54 conversions 2013 = 33 conversions 2014 = 106 conversions Total = 193 LED Bulbs = 14,896 Cost = $376,000 Annual Savings = 1,750,000 kWh = $121,000

SLIDE 7

Dairy ry Farm Efficiency

7 Dairy Farms Cows = 1,538 Annual kWh Usage = 1,173,132 Potential Savings = 315,418 kWh (27%)

Water Heating
Refrigeration
Pumps
Circulation/Cooling
Lighting

SLIDE 8

Heat Pump Water Heaters = 56 Solar Hot Water Heaters = 11 Grants = $46,800

Water Heating Geothermal Heating/Cooling

Systems = 438 Grants = $1,100,000

SLIDE 9

System Im Improvements

11.23% 4.22%

0.00% 2.00% 4.00% 6.00% 8.00% 10.00% 12.00%

1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013

System Losses

15,000,000 kWh Savings/yr

Low loss transformers
Electronic Meters
Reconductoring
System Operations
Power Factor Correction
Load Balancing

SLIDE 10

Demand Side Management

SLIDE 11

20,000 40,000 60,000 80,000 100,000 120,000 140,000 160,000 500,000 1,000,000 1,500,000 2,000,000 2,500,000 0:00 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 kW

October 15, 2014 CP = HE 20:00

DPL Zonal Load DEC Load

Load Control 7 pm - 9 pm 144,014

SLIDE 12

Variable Frequency Drives

184 Diesel Generators Converted to Electric

SLIDE 13

Conservation Voltage Reduction

Voltage Reduction of 2.5% - 5.0% = 4.5 MW

SLIDE 14

Beat The Peak

Voluntary Reduction in Usage 49,876 Indicator Lights 51,193 Email Addresses

Switch & Save

Switches = 21,138 Water Heaters = 17,342 AC/HP = 9,856 Total Appliances = 27,198

SLIDE 15

Solar

506 Installations = 3.6 MW/ac

Avg. = 5.8 kW Max. = 1.2 MW

Grants = $2,000,000 DEC Generation = 4.0 MW/ac Total = 7.6 MW/ac 12,500,000 kWh/yr Bruce A. Henry Solar Energy Farm 4 MW = 6,500,000 kWh/yr

SLIDE 16

500 1,000 1,500 2,000 2,500 3,000 3,500 4,000 50,000 100,000 150,000 200,000 250,000 300,000 350,000

0:00 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00

June 18, 2014

CP = HE 18:00 DEC Load PV Generation

Load Control 16:00 - 18:00 2,000 kW

SLIDE 17

In Interruptible Rate

Poultry Houses, Irrigation, Schools, Business = 955

SLIDE 18

Time of f Use Rates

Residential
Residential Space Heating
General Service
Irrigation

SLIDE 19

Mark A. Nielson VP Staff Services mnielson@decoop.com 302.381.9232