Thank you for your email. This is to confirm receipt of your email and a
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Environmental Protection Department

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謝謝閣下的電子郵件，有需要的話，我們會盡快給你回覆。

環境保護署

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Dear Sir/Madam,

Thank you for your email dated 12.10.2026.

Further to the auto-reply, we would like to inform you that we are
processing your enquiry.

Regards,

Isaac HAN

Environmental Protection Department

-----Original Message-----
From: [ATI #1679 email]
<[ATI #1679 email]>
Sent: Monday, October 12, 2026 11:53 AM
To: EPD_Enquiry/EPD <[Environmental Protection Department request email]>
Subject: E(26/8210)Access to Information request - Data Request: EHSS
Withdrawals, CPO Telemetry, API Provisions (EV-BOY), Database Systems, and
Financial Data

Dear Environmental Protection Department, We are students from Hong Kong
Baptist University (HKBU) taking the course GCAP3226: Empowering Citizens
through Data: Participatory Policy Analysis for Hong Kong. As part of our
coursework, we are requesting the following data records under the Code on
Access to Information:

1. API Provision for Third-Party Apps (e.g., EV-BOY):
   - Does the EPD or data.gov.hk provide official real-time availability
APIs or direct data feeds to third-party charging apps such as EV-BOY?
   - If yes, what are the technical frameworks? If no, are there policy
guidelines requiring subsidized Charge-Point Operators (CPOs) to provide
open, machine-readable APIs?

2. EHSS Withdrawal Data:
   - The specific names and district locations of the 28 housing estates
(representing ~5,000 parking spaces) that withdrew from the EV
Charging-at-Home Subsidy Scheme (EHSS), as referenced in LegCo Paper
EEB(E)088.
   - The recorded reasons or categories for their withdrawal, along with
overall statistics of total EHSS applications received versus approved
cases.

3. Private CPO Financial and Licensing Parameters:
   - Data regarding standard tendering costs, license fees, operational
agreement costs, or land premium considerations required for private CPOs
operating on government properties or under subsidized schemes.

4. Operational Usage and Power Telemetry:
   - Hour-by-hour session counts, hourly utilization rates (specifically
for peak periods like 6:00 PM – 9:00 PM), and rated power output
specifications (kW per charger type) for public chargers in government car
parks for September 2026.

5. Database Systems and Storage Infrastructure:
   - What database management systems or platforms are used by the
Department to store and manage EHSS application/withdrawal records and CPO
operational/telemetry data?

If any portion of this request incurs processing fees, please advise us of
the estimated cost beforehand. Thank you very much for your time and
assistance.

Yours faithfully,
Ting Hoi Lam

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