Request for Quotations (RFQ)
RFQ Number: 24-ROW-PROC-0004
RFQ Title: Supply and Installation of Solar Panel and High Voltage battery system
Date Issued: 06th May 2024
Closing Date and Time: 19th May 2024
Quotations received after the closing date/time mentioned will be rejected.
Background
The Feed the Future Rwanda Orora Wihaze Activity aims to sustainably increase the availability of, access to, and consumption of animal sourced foods (ASF) through the development of a profitable market. In this regard Orora Wihaze has partnered with OX Rwanda Ltd to support scale up of the small livestock inputs distribution model to facilitate last mile access in remote rural villages through Electric Vehicle (EV) services.
This RFQ seeks offers for the following service(s)/item(s):
Service(s)/Item(s) Needed |
Quantity |
Service location/Delivery and installation point |
Supply and Installation of Solar Panel and battery system (Solar panel, High Voltage Batteries and MultiPlus-II Inverter) |
2 complete systems |
1 system in Nyamagabe District, 1 system in Nyamasheke District |
Technical Specifications
To be considered, service(s)/item(s) offered must conform to the following specifications:
- Equipment should be in a factory new condition.
- Indicate Warranty/workmanship requirements (length in years, minimum terms, etc.)
- Include professional installation at Nyamagabe and Nyamasheke districts OX power stations.
- Solar Panel and battery System requirements include below.
A. Solar panel 530-550 Watt
SPECIFICATIONS |
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STC (min) |
NOCT (min) |
STC (max) |
NOCT (max) |
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Maximum Power (Pmax) |
530Wp |
394Wp |
550Wp |
409Wp |
Maximum Power Voltage (Vmp) |
40.56V |
37.84V |
40.90V |
38.42V |
Maximum Power Current (Imp) |
13.07A |
10.42A |
13.45A |
10.65A |
Open-circuit Voltage (Voc) |
49.26V |
46.50V |
49.62V |
46.84V |
Short-circuit Current (Isc) |
13.71A |
11.07A |
14.03A |
11.33A |
Module Efficiency STC (%) |
20.55% (Min) to 21.33% ( Max) |
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Operating Temperature (℃) |
-40℃~+85℃ |
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Maximum system voltage |
1000/1500VDC (IEC) |
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Maximum series fuse rating |
25A |
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Power tolerance |
0~+3% |
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Temperature coefficients of Pmax |
-0.35%/℃ |
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Temperature coefficients of Voc |
-0.28%/℃ |
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Temperature coefficients of Isc |
0.048%/℃ |
B. High Voltage Batteries
Usable Energy |
5.0 kWh |
Max Cont. Output Current |
70 A |
Peak Output Current |
105 A, 5 s |
Dimensions (H/W/D) |
132x 482 x 525 mm |
Weight |
47 kg |
Nominal Voltage |
51.2 V |
Operating Voltage |
43.2 -57.6 V |
Operating Temperature |
-10 °C to +50°C |
Battery Cell Technology |
Lithium Iron |
Phosphate (cobalt-free) Communication |
CAN / RS485 |
Enclosure Protection Rating |
IP20 |
Round-trip Efficiency |
≥95% |
Scalability |
Max. 64 in Parallel (320 kWh) |
Certification |
IEC62619 / CE / CEC / UN38.3 / IEC62040 |
Applications |
ON Grid / ON Grid + Backup / OFF Grid |
C. MultiPlus-II Inverter/Charger
Power Control & Power Assist |
Yes |
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Transfer switch |
32 A (min) |
100 A (max) |
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Maximum AC input current |
32 A |
100 A |
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INVERTER |
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DC Input voltage range |
12V – 9,5–17 V 24V – 19–33V 48V – 38-66 V |
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Output |
Output voltage: 230 VAC ± 2% Frequency: 50 Hz ± 0,1% (1) |
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Cont. output power at 25°C (3) |
3000 VA (min) |
10000 VA (max) |
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Cont. output power at 25°C |
2400 W |
8000 W |
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Cont. output power at 40°C |
2200 W |
7000 W |
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Cont. output power at 65°C |
1700 W |
6000 W |
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Max apparent feed-in power |
3000 VA |
10000 VA |
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Peak power |
5500 W |
18000 W |
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Maximum efficiency |
93%/94%/95% |
96% |
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Zero load power |
13 / 13 / 11 W |
38 W |
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Zero load power in AES mode |
9 / 9 / 7 W |
27 W |
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Zero load power in Search mode |
3 / 3 / 2 W |
4 W |
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CHARGER |
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AC Input |
Input voltage range: 187-265 VAC Input frequency: 45 – 65 Hz |
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Charge voltage ‘absorption’ |
14,4 / 28,8 / 57,6 V |
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Charge voltage ‘float’ |
13,8 / 27,6 / 55,2 V |
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Storage mode |
13,2 / 26,4 / 52,8 V |
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Max. battery charge current (4) |
120 /70 / 35 A |
120 / 70 A |
110 A |
140 A |
200 A |
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Battery temperature sensor |
Yes |
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GENERAL |
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Auxiliary output |
Yes (32A) |
Yes (50A) |
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External AC current sensor (optional) |
50A or 100A |
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Programmable relay (5) |
Yes |
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Protection (2) |
a – g |
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VE.Bus communication port |
For parallel (not for 8k, 10k and 15k models) and three phase operation, remote monitoring and system integration |
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General purpose com. port |
Yes, 2x |
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Remote on-off |
Yes |
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Operating temperature range |
-40 to +65°C (fan assisted cooling) |
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Humidity (non-condensing) |
max 95% |
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ENCLOSURE |
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Material & Colour |
Steel, blue RAL 5012 |
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Protection category |
IP22 |
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Battery-connection |
M8 bolts |
Four M8 bolts (2 plus and 2 minus connections) |
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230 V AC-connection |
Screw terminals 13 mm² (6 AWG) |
Bolts M6 |
Bolts M6 |
Bolts M6 |
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Weight |
19 kg |
30 kg |
42 kg |
49 kg |
80 kg |
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Dimensions (hxwxd) mm |
546 x 275 x 147 499 x 268 x 141 499 x 268 x 141 |
607 x 330 x 149 565 x 320 x 149 |
642 x 363 x 206 |
677 x 363 x 206 |
810 x 405 x 217 |
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STANDARDS |
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Safety |
EN-IEC 60335-1, EN-IEC 60335-2-29, EN-IEC 62109-1, EN-IEC 62109-2 |
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Emission, Immunity |
EN 55014-1, EN 55014-2 EN-IEC 61000-3-2, EN-IEC 61000-3-3 IEC 61000-6-1, IEC 61000-6-2, IEC 61000-6-3 |
Instructions for Submitting an Offer
To be considered, offers must be valid for a minimum of 90 days following the closing date of the RFQ, and include all of the following:
- All bidders are required to make a site visit before they submit their technical and financial proposals. Only those that have made a site visit will be considered for evaluation. The OX team will be there waiting to show you around through contact lionelm@oxdelivers.com (0784010959)
- Cost Offer that includes:
- Total net price quoted in RWF, including transportation to Nyamagabe and Nyamasheke districts less any discounts.
- Unit price of items or services
- Unit designation (each, bag, Kg, roll, hourly, daily, etc.)
- Taxes (VAT) shown separately.
- Installation, commissioning, training, and technical support charges shown separately, if any
- Additional information:
- A firm delivery or start date. If the items are not available in-stock, quotations must include expected availability date.
- Your quote must conform to the above specifications and be suited to Rwandan conditions. No alternative offers will be considered.
- Complete technical literature for the item(s), including specifications, instructions, and any other important details about the product.
- Country of manufacture and brand names of all items
- Source country that is the country in which the item is available for sale and from which the item is shipped to its destination in Rwanda.
- Facilities, availability and location of in-country service and maintenance support, and spare parts availability
- Information on any warranty/guarantee against any/all defects in workmanship and materials.
Offers should be submitted via email:
- Posted quotations must have offeror’s complete name and address and the RFQ number and title. Quotations should be addressed to:
To: Land O’Lakes Venture37, Rwanda Orora Wihaze
Attn: Procurement Team
Email: ProcurementROW@LandOLakes.com
Offer Evaluation and Scoring
Award will be made to the offeror who meets all specifications, terms, and conditions of this solicitation and offers the best value based on the following criteria:
Criterion |
Weight |
Price |
50 |
Serviceability/Dependability/Reliability |
30 |
Warranty Terms |
10 |
Delivery time |
10 |
Important Notes
- Rwanda Orora Wihaze will inspect the items/service deliverables prior before accepting delivery.
- Rwanda Orora Wihaze can provide reference to VAT exemption. Offerors are requested to show separately VAT amount and indicate the VAT registration number. All other applicable taxes, duties, levies, export clearances/licenses in the country of origin/loading etc. shall be borne by the supplier.
- Payment will be made within 21 days from date of receipt of items/performance of services, subject to installation (if applicable), receipt of all supporting documents delivered in good order by the offeror, and Venture37’s inspection and acceptance of all items/deliverables.
- Venture37 reserves the right to accept or reject any offer or cancel or reissue this RFQ without assigning any reason.
- Issuance of this RFQ in no way obligates Venture37 to award a contract or purchase order and offerors will not be reimbursed for any costs associated with the preparation of this quotation. All preparation and submission costs are at the offeror’s expense.
ATTACHMENTS:
Annex 1 – Pricing Template
Annex 1: Pricing Template
RFQ Title: |
Supply and Installation of Solar Panel and High Voltage battery system |
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RFQ Number |
24-ROW-PROC-0004 |
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Offeror: |
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Offer Valid Through (Date): |
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Pricing List |
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VAT |
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Total Price |