SINIL E&C

Energy diagnosis

Energy Division

Energy diagnosis, a technology consulting system, offers the optimal enhancement plans for energy saving upon investigation of energy loss causes after checking the energy consumption practices in the company. According to the energy use rationalization act and operational guideline for energy diagnosis, SINIL E&C registered as the type 1 energy diagnosis specialized institution and performs the energy diagnosis for the enterprises that consume energy in the industrial sites, buildings, and so on.

Main tasks

Offer the efficiency enhancement plans upon checking the operational status by facility
Identify irrational energy consumption elements and waste heat and offer the enhancement plans
Review the plans of efficient facility usages and economic feasibility
Review the application plans of new renewable energy

Procedure

01Diagnosis agreement
02Pre-inspection
03Onsite diagnosis
04Report writing and submission
05Support execution

Standards of time for energy diagnosis by diagnosis class and total ground area

Energy diagnosis for the industrial facility

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Diagnosis class	Annual energy consumption (toe)	Diagnosis period (day)			Required number of persons	Total required period (persons* days)
Diagnosis class	Annual energy consumption (toe)	Site	Report	Total	Required number of persons	Total required period (persons* days)
A5	≥200,000	29	21	50	4	200
A4	≥100,000 ~ <200,000	25	18	43	4	172
A3	≥50,000 ~ < 100,000	21	15	36	4	144
A2	≥20,000 ~ < 50,000	17	12	29	4	116
A1	≥10,000 ~ < 20,000	14	9	23	4	92
B	≥5,000 ~ < 10,000	11	8	19	3	57
C	<5,000	8	5	13	3	39

Energy diagnosis for public institution and building

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Class (total ground area)	Diagnosis period (day)				Required number of persons	Total required period (persons* days)
Class (total ground area)	Site diagnosis	Program	Report	Total	Required number of persons	Total required period (persons* days)
60,000m²	7	4	4	15	6	90
≥30,000m² ~ <60,000m²	6	3	4	13	5	65
≥10,000m² ~ <30,000m²	5	2	3	10	4	40
≥3,000m² ~ <10,000m²	4	2	2	8	3	24

Consulting for the performances of mechanical equipment

「It is a task of checking and diagnosis for mechanical equipment to secure the performances and efficient management of devices, pipes, tools, and mechanical equipment installed in the building, facilities, and so on according to the mechanical equipment act.

SINIL E&C holds the capabilities to be able to check the performances of mechanical equipment based on the experiences and technologies of design and construction inspection on the construction facility, energy diagnosis, and TAB.

Review items during checking the performances of mechanical equipment

Review mechanical equipment system

Appropriateness of maintenance and control guideline
Operational status of mechanical equipment system
Conformity between designed and measured values on the status table of checking items

Establish performance enhancement plans

Level of deterioration by durable years of mechanical equipment
Nonconformity and improvement areas by performance checking table
Performance enhancement needs and detailed improvement plans by year

Review energy usages

Energy usage volume by class such as air-conditioning facility, and so on

Expected outcomes

Professional maintenance of mechanical equipment

Control ventilating facility, air-conditioning facility, water supply, and so on by expert systemically
Life extension of buildings

Can enjoy the pleasant environment all the time by regular checking and exchanging mechanical equipment
Organizing pleasant and safe living environment

Keep the lives and safety of people by operation of safe mechanical equipment
Energy saving and energy efficiency of the building

Save annual energy cost by 11% upon efficient operation of mechanical equipment

Target buildings to comply with the maintenance guideline

Buildings over 10,000m2 of total ground area among those by usage according to Section 2 of Article 2 in the building act
Apartments over 500 households and apartments over 300 households with centralized heating system (including district heating) according to Section 2-2 of Article 2 in the building act
Buildings appointed and announced by Minister of Land, Infrastructure, and Transport considering the size of buildings among those excluding the above two

Procedure

01Diagnosis agreement
02Investigation of drawing and facility status
03Checklist and status table analysis
04Review the performance of mechanical equipment
05Report writing
06Maintenance

Smart factory

It is a supporting project to establish energy optimization solution applying advanced technologies such as IoT, big data, AI, and so on to improve competency and production process by manufacturing innovation at the site of SMEs.
As the first domestic company applying factory energy control system in the smart factory project, SINIL E&C offers the optimal solution to lower the greenhouse gases.

Maximization of energy efficiency by real-time data and performance analysis

Analysis of energy consumption features
Baseline setting and prediction of saving
Saving performance report and performance validation

Comparisons with other FEMSs

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EMS	Realtime energy trend	Facility control function	Image recognition measurement	Analytic function	Cloud function	Group control function	Abnormal sign notice	Performance control	Efficiency control	Control function
A Company	O	X	X	O	X	X	X	O	X	O
B Company	O	X	X	X	O	O	O	O	O	O
SINIL	O	O	O	O	O	O	O	O	O	O

SI-FEMS

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Applied company	Annual saving rate	Solution	Saving amount
A Company	13.6%	Pressure control of air compressor Control of LNG heater Pressure control of air compressor	W350 million/year
B Company	6.5%	Control of air compressor Operational optimization of boiler Light control	W110 million/year
C Company	7.5%	Operational control of mixing roller Temperature rising control of molding machine Basic unit control of molding machine	W170 million/year
D Company	5.5%	CO₂ associated control in the air-conditioner FCU temperature associated control Control of production basic unit Efficiency control of boiler	W90 million/year

SI-FEMS (Smart Intelligent Factory Energy Management System)

Monitor and analyze the energy usage status of each energy facility and offer the operational guideline for energy efficiency by optimal control on the energy wasting elements as a cloud-based FEMS platform

Cost Efficiency

Cloud-based solution
Use ICT-based wired and wireless measuring device

Performance Effectiveness

Energy operation consulting by energy analysis expert
Monthly report using big data analysis tool

Needs to establish FEMS

Cost saving to secure company competitiveness
Limitation of the existing system (facility exchange and collection of waste heat)
Increased interest in green ICT for energy efficiency
Responses to goal control system for greenhouse gases and emission trade
Energy datafication and real-time usage trend
Energy optimization by energy monitoring and control

Differential points of SI-FEMS

Lower investment burden (FEMS for SMEs)
Weight lightening by cloud support
Control function of energy basic unit
Maintenance function of facility
Control function of consumables
Integrated monitoring function by group and site of the applied company

Establishment plan of SI-FEMS

SI-FEMS dashboards and main functions

Monitoring real-time energy usage trend
Comparative analysis of energy usage by facility, duration, and process
Production basic unit control by facility, process, and building
Facility efficiency and optimization control
Maintenance of facilities, measuring devices, and materials
KPI control and energy performance control
Real-time alarming function on the major elements
Reporting function of electric charge by real-time facility

Smart City

Interest level in the smart city has been raised due to the emergence of paradigm to integrate ICT with eco-friendly ecopolis, national policy to expand the supply of new renewable energy, international interest to prevent from climate changes, urbanites’ demands to enhance the quality in the pleasant and safe urban life.

Smart city means the organized city with urban and service infrastructure for citizens to be able to enjoy their convenient and pleasant lives by resolving a variety of problems with ICT including housing, transportation, environment, energy, economy, administration, and so on that are raised in the urban daily lives for their happiness and safety.

Smart City that we think

[Source: Smart City Korea Brochure in the Ministry of Land, Infrastructure, and Transport]

Smart City that SINIL E&C thinks

Smart City that SINIL E&C is developing offers not only measurements of energy source usages such as electricity, water supply, gas, and so on by integrated energy control but also energy usage optimization services required for the control of urban energy demands including integrated energy management system (EMS) targeting lowered emission of greenhouse gases, automatic control, peak lowering, and so on.

Integrated energy data center for Smart City

Integrated platform

Appropriateness of the maintenance guideline
Operational status of mechanical equipment system
Conformity between designed and measured values on the status table of checking items

Linkage to cooperative technology

RTP operational technology on the energy demand resources
Algorithm of optimal control for demand resources
Information of real-time and estimate costs by smart city

Autonomous operational technology of energy demand resources in the smart city

Monitoring and analytical services for energy consumption information

Energy monitoring and analysis by demand resource
Energy monitoring and analysis by demand resource equipment
Monitoring and analysis by energy source
Monitoring data access
Web application
Smartphone application

Linkage system to demand resource equipment

Design site linkage system (SCADA / FMS / BAS etc.)
Design various APIs
Design communication among various measuring devices
Design communication among various sensors
Design control among various controllers

Support smart energy services

Integrated platform

Web-based energy monitoring
Mobile-based energy monitoring

Linkage to cooperative technology

API communication protocol by equipment
Control module I/F by equipment
I/F of Energy-IoT device

Overview of Building Energy Management System (BEMS)

Needs of BEMS

Developmental background of BEMS

Facilities and equipment in the domestic buildings are in the modernizing trend while their operational technologies are poor and stagnant, which requires the professional control by integrated energy control applying ICT.
With modernization of buildings, functionality and convenience are prioritized, resulting in the significant increase of energy consumptions. To save the energy cost and prevent climate changes maintaining functionality and convenience, energy-saving integrated control is necessary to save the energy in the buildings.
Energy consumption for air-conditioning and electric equipment accounts for about 83% in the buildings during the operational stage, which urgently requires the efficient operational control by BEMS.

SI-BEMS

Development direction of Smart Intelligent BEMS (SI-BEMS) by SINIL E&C

Collection and analysis of energy information in the intelligent building applying building environment impacts
Support real-time energy efficient operation by integrated control of facilities and equipment for energy control
Support control function by linkage, synchronization, and integration with building control applications such as SCADA, FMS, BAS, and so on
Perform preventive and predictive maintenances by integrated control (support diagnosis of equipment performance and maintenance control function)
Standardization of building energy control works and improvement of indoor environment

SI-BEMS Dashboard

The dashboard realizes customized views applying 100% of users’ requirements as well as features of buildings.

Anticipated effects of SI-BEMS introductio

Collection and analysis of real-time energy information

Correlation analysis of energy consumption effects by indoor and outdoor environment changes of the buildings and improvement plans for energy operation
Feedback effects of energy saving by visualization of the energy information such as recognition of energy consumption status, voluntary participation in the energy saving, and so on (expected saving by 3%)

Support energy efficient operation of the buildings

Support optimized operations of air-conditioning, chiller and heater, and lights by collection and analysis of the information for indoor temperature, humidity, CO2 as well as monitoring the energy status by equipment
Maximize the energy cost saving by energy demand control and autonomous control aligning new renewable energy generation system

Integrated control aligning applications for building control

Enhance the operational efficiency of building control and asset value of the buildings by real-time monitoring and control with integrated control function
Save cost for establishment of BEMS infrastructure and enhance efficiency of maintenance by linkage and aligning existing building systems

Preventive and predictive maintenances

Support maintenance, consumable control, schedule control for fixing, and extend equipment life by performance efficiency analysis of energy facility
Prevent loss from energy waste and breakdown maintenance by monitoring abnormal signs of facility operation

Reduction of Greenhouse Gas Emissions

Building energy efficiency and optimization of operations

Reduction of energy costs

Cases of cost saving by BEMS application (examples)

Application cases of integrated building control in K communication company in Korea[Source: Final report to establish the master plan for Happy City and Smart Green City / Administration-centric Integrated City Construction Agency)]

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Section	Details	Cost saving amount	Others
Facility operation	Efficiency in the onsite operation Cost saving by prevention of breakdown	W220 million/year (maintenance cost of W4,000/month per pyong)	Operational cost saving by 15%
Energy usage	Saving usages of gas, electricity, etc.	W340 million/year (energy cost of W6,700/month per pyong)	Energy saving by 14%

Section

Details

Cost saving amount

Others

Facility operation

Efficiency in the onsite operation

Cost saving by prevention of breakdown

W220 million/year (maintenance cost of W4,000/month per pyong)

Operational cost saving by 15%

Energy usage

Saving usages of gas, electricity, etc.

W340 million/year (energy cost of W6,700/month per pyong)

Energy saving by 14%

Comparisons of application effects of building solution in K Communication company, Korea

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System	Contents	Installation cost (W000)	Saving amount (W000)	ROI
Integrated SI	BEMS hardware	30,100	-	-
Integrated SI	BEMS software	106,000	-	-
Electricity demand control	Installation and control of power meter	36,290	42,714	0.85
Equipment measuring system	Installation and control of flowmeter and thermometer	71,878	8,903	8.07
Air-conditioning control by indoor environment control	Installation and control of integrated sensors (temperature, humidity, and CO2 level)	40,380	12,712	3.18
Restroom power saving system	Installation and control of counter sensors	17,195	1,220	14.09
Total		305,693	65,549	4.60

Zero energy building (ZEB)

Building that becomes zero of total energy amount summing consumption energy in the building and generated energy by renewable energy within the building

Standards of ZEB certification system

1++ grade or better in the energy efficiency of buildings, not less than 20% of energy independent rate, and installation of BMS or remote checking electronic meter

Standard 01

1++ grade or better in the energy efficiency of buildings

Evaluation of building energy interpretation program (ECO2): Housing purpose: less than 90kWh/m² year; Non-housing purpose: less than 140kWh/m² year

Evaluation of consumption amounts for cooling, heating, hot-water supply, lights, and ventilation, and generation amount of new renewable energy
Primary energy consumption amount (kWh/m² year) = Σ energy consumption amount by usage x primary energy conversion coefficient

Standard 02

Not less than 20% of energy independent rate

Evaluation of building energy interpretation program (ECO2): Generation rate of new renewable energy among the consumed energy in the building

Evaluation of consumption amounts for cooling, heating, hot-water supply, lights, and ventilation, and generation amount of new renewable energy
Energy independent rate (%)
=
- primary energy generation amount per unit area (kWh/m² year)
- primary energy generation amount per unit area (kWh/m² year)
X
100

Standard 03

Installation of BMS or remote checking electronic meter

Determination whether to apply evaluation items in the checklist: Real-time control system to measure the energy consumption amount

(BEMS) Evaluation of 9 items including data collection and display, information monitoring, control system linkage, etc.
(Remote checking) Evaluation of 6 items including data collection and display, measuring device control, data control, etc.
(3 items recommended additionally)

Certification process of ZEB and application method

Certification application is possible only for construction owner, building owner, business entity, or construction company*. * Business entity or construction company can apply only in case that construction owner or building owner agrees the certification application.
Temporary exemption of ZEB certification fee * Certification fee for building energy efficiency grade is the extra.

Certification application process

Step 01

Before application

Joining membership (require accredited certificate)
Step 02

Application

Apply certification and submit documents
Step 03

Supplementation and evaluation

Can monitor the certification process status
Step 04

Complete evaluation

Online issuance of certificate

ZEB incentives

Deregulation by 15% at max of construction standards such as floor area ratio, height of building, etc.

Certification grade	Maximum deregulation rate of construction standards	Comments
ZEB 1	15%	100% of more of energy independence rate
ZEB 2	14%	≥80% ~ <100% of energy independence rate
ZEB 3	13%	≥60% ~ <80% of energy independence rate
ZEB 4	12%	≥40% ~ <60% of energy independence rate
ZEB 5	11%	≥20% ~ <40% of energy independence rate

Reduce by 15% at max for acquisition tax
20% of upper limit for loan from urban housing fund
Priority support of subsidy for installation of new renewable energy
Reduce by 15% at max for land donation of infrastructure in the housing construction project

Intelligent electric grid (Smart Grid)

Smart Grid is the next generation electric grid technology optimizing energy efficiency applying ICT to the existing grid to exchange the real-time power information (power generation and consumption information) between supplier and consumer bidirectionally. SINIL E&C was selected as a vendor for Smart Grid Expansion project placed by Korean Smart Grid Institute to participate in the project of Daegu Smart Grid Expansion project from 2016 to 2018, and now develops the intelligent network project.

Main tasks

Energy diagnosis with smart meter installation
Installation of high-efficiency equipment (inverter, LED, flowmeter, etc.)
Installation of smart meter
Measurement and verification of the site energy

Procedure

'09.12 ~' 13.5 years

Jeju Shiljung

Technology verification (153 items)

Model verification (9 items)
'12 ~' 15 years

Supply equipment

AMI 46,000 households,

ESS 55MWh
'16 ~' 18 years

Prepare the base

Concentrate on 13 regions by government and private
'19 ~' 25 years

Market expansion

Expand private sector into metropolitan areas
'26 ~' 30 years

National expansion

Expand nationwide by private

Energy saving project (ESCO)

It is a project that ESCO develops and suggests the improvement points of energy saving by energy diagnosis and collects the investment costs by guaranteeing or confirming the performance of energy saving through the contract with energy users.

SINIL E&C holds the equipment, assets, and professionals for ESCO according to the energy use rationalization act and secures the competency to perform energy saving projects in a variety of fields successfully such as energy, environment, ICT, and so on with M&V technique based on lots of experiences and investments on the energy saving institutions.

Standard contract of ESCO

01. Performance guaranteeing contract with user’s financing: Direct funding for facility investment by energy user; ESCO guarantees the energy saving amount according to the installation of energy saving equipment, and it compensates the balance if the committed amount is not reached after the installation.

① Guaranteed saving amount>Actual saving amount : ESCO compensates the balance to energy user by cash
② Target saving amount<Actual saving amount : Upon the agreement with energy user, ESCO distributes the balance
③ Guaranteed saving amount≤Actual saving amount≤Target saving amount : Complete the project after follow up management process upon contract

02. Performance guaranteeing contract with ESCO’s financing: ESCO finances for facility investment instead of user.; ESCO guarantees the energy saving amount according to the installation of energy saving equipment, and energy saving amount from the facility is returned to ESCO, partitively.

03. Performance fixation contract: ESCO finances for facility investment instead of user.; Energy user fixes the repayment plan to ESCO based on expected saving amount calculated by energy diagnosis, and so on before installation of the saving equipment.

Procedure

01Onsite investigation
02Submit proposal
03Energy diagnosis
04Contract
05Installation of energy saving equipment
06Operation and follow up management
07Performance distribution
08Support execution

Green Remodeling

Green remodeling is the ecofriendly building remodeling to improve the performances of the existing building that requires the enhancement of energy performance and efficiency. It is the policy project of the Ministry of Land, Infrastructure, and Transport together with LH to enhance the energy efficiency of the existing old buildings and increase the values by offering pleasant and healthy housing environment.

SINIL E&C was registered as a vendor for green remodeling based on the accumulated experiences and technologies over 20 years with design and construction supervision related to construction equipment, and engineering projects to enhance the energy efficiency of factories and buildings. The company is under discussion to apply lowering equipment of peak load, energy control device, new renewable energy construction, high-efficiency devices, and so on to the green remodeling project, together with constructions to improve building performances.

Construction to improve energy performance in the subjects that supports interest

01. Essential construction

Enhance architectural performance (apply at least one)

Insulation and security
Strengthen hermeticity
Sunlight controller
Performance improvement of outside windows

02. Constructions with additional support feasibility

Constructions feasible parallelly together with architectural performance enhancement construction

ICT energy control
BEMS, system, light control system, standby power blocking system, smart meter, etc.
Maximum demand power control
ESS, ice thermal storage system, etc.
New renewable energy construction
Sunlight, solar heat, thermal heat, wind power, fuel cell, etc.
High efficiency equipment
High efficiency cooler and heater, LED, etc.
Others
Additional constructions related to energy performance enhancement construction

Procedure

01Contract
Information sharing on green remodeling and contract making (building owner + construction company)
02Diagnosis of building energy
Investigation of energy loss elements by drawing review, onsite inspection, and measurements
03Analysis of diagnosis results
Review and analysis of energy consumption, insulation performance, and equipment efficiency
04Select improvement plans
Summarize improvement plans applying energy saving technique
05Design and construction
Perform design and construction on the improvement plans
06Maintenance
Maintenance to realize optimum performances and monitor energy usages