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SDG7.2.2 Upgrade buildings to higher energy efficiency-2021

1. NCUE holds an annual energy-saving and carbon-reduction meeting to evaluate plans for the replacement of existing equipment with energy-saving equivalents the following year. At least NT$5 million is invested annually to replace energy-consuming equipment, which is forecasted to achieve the goal of increasing total energy efficiency by at least 1% per year (the goal is to save 150,000 kWh or more annually).

1.1 Major energy-saving and carbon-reduction measures implemented from 2019 to 2021:

Year

Major measures

2021
  1. Replacement of the 300RT main chiller unit and its auxiliary equipment in the Jin-De campus’ gymnasium is expected to save 227,603 kWh of electricity annually.
  2. Campus-wide replacement of T5 light tubes with 500 or more LED light tubes is expected to save 50,000 kWh of electricity annually.
  3. Routine replacement of more than 50 air-conditioning units is expected to save 75,000 kWh of electricity annually.

2020
  1. Replacement of the main chiller unit and its auxiliary equipment in the Jin-De campus’ Main Library and Information Building saves 327,603 kWh of electricity annually.
  2. Replacement of T5 light tubes with LED light tubes in the classrooms on the gymnasium’s 1st floor saves 25,028 kWh of electricity annually.
  3. Replacement of 64 air-conditioning units leads to approximate savings of 1500 × 64 = 96, 000 kWh.

2019
  1. Replacement of T5 light tubes with LED light tubes on the 1st and 2nd floors of the library saves 27,430 kWh of electricity annually.
  2. Replacement of 65 air-conditioning units leads to approximate savings of 97,500 kWh.
  3. Setting the timer for equipment in the swimming pool’s machine room to go to ‘sleep’ reduces power consumption by up to 40,000 kWh during the period when the facility is closed.
 

1.2 Following the policy of utilising renewable energy, we officially activated the solar power generation device installed on the roof of the Jin-De Campus’ sports stadium in 2017. The installed capacity is 467.28 kWp, and the expected annual power generation is 625,945 kWh. This was honoured as a news highlight in Changhua County (the relevant reports and details can be found here: http://epage.ncue.edu.tw/files/14-1000-13227,r9-1.php).

 

Solar power generation system installed on the roof of the Jin-De Campus’ gymnasium
Solar power generation system installed on the roof of the Jin-De Campus’ gymnasium

2. Following the national policy, the roofs of all campus buildings shall be installed with photovoltaic panels before end-July 2022. The total installation capacities at the Jin-De and Bao-Shan Campuses are estimated to be 1,888.5 kW and 731.25 kW, respectively. In addition to reducing net loads, photovoltaic panels can supply electricity to meet the demand of buildings in certain scenarios (such as off-peak months). For flow reduction in distribution lines, line loss is reduced by approximately 3%, and energy efficiency is enhanced. Such panels can also block direct sunlight from the roofs. According to research data, 38% of roofs’ thermal energy from direct sunlight is reduced, which lowers roof temperatures by 2.8°C. This improves buildings’ overall temperature environment and reduces the use of air conditioning, thereby increasing energy efficiency.

3. The planning and design specifications (partial) of the roof-mounted photovoltaic panels on the various buildings in the Jin-De and Bao-Shan Campus in 2021–2022 are as follows:

Estimated installation schedule of photovoltaic panels in NCUE’s Jin-De and Bao-Shan Campus in 2021–2022

Campus

Building name

Estimated equipment capacity (kWp)

Estimated power generation (kWh/year)

Individual

Total

Individual

Total

Jin-De

Chiao-Si Building

157.5

1888.5

196,875

2,360,626

Hung-Dao Building

118.125

147,656

Bai-Sha Building

251.25

314,063

Zhi-Shan Building

48

60,000

Ming-De Building

64.125

80,156

Main Teaching Building

96.375

120,469

Student Dormitory No. 8

199.5

249,375

Student Dormitory No. 7

181.5

226,875

Student Dormitory No. 6

88.5

110,625

Hu-Bin Building

123

153,750

Library

133.5

166,875

Integrated Centre

115.5

144,375

Student Cafeteria

212.25

265,313

Sheng-Yang Building

99.375

124,219

Bao-Shan

Student Dormitory No. 9

100.5

731.25

125,625

914,063

Student Dormitory No. 10

127.5

159,375

Teaching Building No. 1

101.25

126,563

Teaching Building No. 2

College of Engineering Building

139.5

174,375

Jing-Shih Building

114.375

142,969

Lih-Hsing Building

148.125

185,156
 

7.2.2
7.2.2

 

 

4. For detailed installation plans for the roof-mounted photovoltaic panels on the various buildings, please refer to Annex 7.2.2A-Installation plans for photovoltaic panels on the roofs of various buildings on the Jin-De and Bao-Shan Campus.

5. NCUE are planning to install new roof- and ground-mounted solar energy equipment in 2023. In 2023–2024, the additional equipment capacities in the Jin-De and Bao-Shan Campus are expected to total 962.88 kWp and 1,629 kWp, respectively. Diagrams for the planning and design concept are shown below:

 

Additional solar energy equipment expected to be installed on NCUE’s Jin-De Campus after 2023 (excerpt)
Additional solar energy equipment expected to be installed on NCUE’s Jin-De Campus after 2023 (excerpt)

 

Additional solar energy equipment expected to be installed on NCUE’s Bao-Shan Campus after 2023 (excerpt)

Additional solar energy equipment expected to be installed on NCUE’s Bao-Shan Campus after 2023 (excerpt)

 

 

List of solar energy equipment expected to be installed on NCUE’s Jin-De and Bao-Shan Campus in 2023–2024

Campus

Additional location

Estimated equipment capacity

(kWp)

Estimated power generation

(kWh/year)

Individual

Total

Individual

Total

Jin-De

Stands around the sports stadium

112.2

962.88

(tentative estimation)

140,250

1,203,600

Roof of transformer in substation sports stadium

Old Activity Centre

134.3

167,875

Wang Jin-pyng Activity Centre

99.96

124,950

Wang Jin-pyng Swimming Pool

226.1

282,625

Carpark at East Gate

98.6

123,250

Carpark in front of Yih-Hui Building

291.72

364,650

Carpark at West Gate

Carpark in Military District

Bao-Shan

Carpark at Innovation and Incubation Centre

107.1

1,629

(tentative estimation)

133,875

2,036,775

In front of Students Dormitory No. 10

283.56

354,450

Behind Student Dormitory No. 9

134.64

168,300

Carpark No. 1 along Bao-Shan Road

116.62

145,775

Carpark No. 2 along Bao-Shan Road

109.14

136,425

Carpark at Teaching Building No. 2

93.84

117,300

Carpark above Bao-Shan tennis courts

62.22

77,775

Alley behind the sewage treatment plant

104.04

130,050

Carpark to the rear of Lih-Hsing Building

121.38

151,725

Carpark at Teaching Building No. 1 (along Bao-Shan Road)

91.8

114,750

Rear of Jing-Shih Building No. 2

55.08

68,850

Multi-purpose stadium

340

 

425,000

 

Bao-Shan sewage treatment plant

10

 

12,500

 
 

 

Schedule for NCUE’s installation project for solar energy equipment

Campus

Year

Additional capacity

(kWp)

Cumulative capacity

(kWp)

Jin-De

Before 2020

467

467

2021–2022

1888.5

2355.5

2022–2324

962.88

3318.38

Bao-Shan

Before 2020

0

0

2021–2022

731.25

731.25

2022–2324

1629

2360.25
 

 

NCUE’s planning and design concept for solar energy in 2023–2024 can be found in Annex 7.2.2B  -  NCUE Jin-De Campus solar energy 2023–2024 and Annex 7.2.2C  -  NCUE Bao-Shan Campus solar energy 2023–2024.




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