OnGen Ltd

OnGen Expert - renewable energy feasibility tool copy

A screening tool to help organisations assess the commercial and technical feasibility of deploying a range of renewable and low carbon energy generation technologies across their portfolio of sites.

The software highlights technical constraints and calculates the optimum system size to maximise return on investment.


  • multiple technologies assessed simultaneously
  • based on half hourly energy consumption data
  • technology agnostic
  • objective commercial assessments based on data
  • easy to navigate user interface
  • technical and planning constraints identified
  • battery storage incorporated
  • unlimited users can be added for no extra charge
  • peer reviewed with case studies
  • no software needed, just a recent broswer


  • low cost flexible licence arrangements
  • efficient production of business cases in standard format
  • energy cost and carbon savings easily identified
  • multiple technologies assessed simultaneously
  • easily accessible from a broswer
  • managed service option provided, OnGen do the assessments
  • constantly updated and easily to sensitise assumptions
  • accurate 20 year cash flow forecasts
  • third party funding options available to suit the organisation


£1125 per licence per year

Service documents


G-Cloud 11

Service ID

2 2 9 4 0 3 8 8 5 4 0 9 5 8 0


OnGen Ltd

Christopher Trigg


Service scope

Software add-on or extension
Cloud deployment model
Public cloud
Service constraints
The renewable and low carbon technologies included on the platform are limited to bankable or mature technologies.

Ground source heat and air source heat pumps are being added in 2018.

Battery storage can be assessed in conjunction with roof mounted solar PV however potential income streams from providing grid services are excluded as they are very unpredictable and short term.
System requirements
Any web browser, ideally chrome (IE v.9 or later)

User support

Email or online ticketing support
Email or online ticketing
Support response times
Within 24 hours
User can manage status and priority of support tickets
Phone support
Phone support availability
9 to 5 (UK time), Monday to Friday
Web chat support
Onsite support
Yes, at extra cost
Support levels
An initial half day training session is provided as part of the licence fee, usually via webex.

All customers are assigned a dedicated account manager who can provide assistance via the phone or webex with assessments.

Ongoing technical and software support included as part of the licence fee.

Specific software development requests will be considered and costed as required.

A managed service option is provided where OnGen will carry out assessments on the licensees behalf for a flat fee per site of £75 (in addition to the licence charge).

This service has provide to be ideal if internal resource is not available or constrained.
Support available to third parties

Onboarding and offboarding

Getting started
Online and offline training is provided through an initial half day training workshop.
Video support is provided for each part of the process
Service documentation
Documentation formats
End-of-contract data extraction
The software generates feasibility assessments in MS Word.
Portfolio data an be exported as .xlxs or PDF based on a range of filters
End-of-contract process
Data will be held on the platform in perpetuity on receipt of a data management fee. This allows the user to refresh and sensitise existing sites an unlimited number of times but new sites or technologies could not be created.

Using the service

Web browser interface
Supported browsers
  • Internet Explorer 10
  • Internet Explorer 11
  • Microsoft Edge
  • Firefox
  • Chrome
  • Safari 9+
  • Opera
Application to install
Designed for use on mobile devices
Differences between the mobile and desktop service
Designed to work on mobile tablets, not phone
Service interface
Description of service interface
A client administrator can view all sites added by the organisation and add an unlimited number of "sub-users".
Reports and analysis can be run directly.
Accessibility standards
WCAG 2.1 A
Accessibility testing
What users can and can't do using the API
RESTful JSON API available over https

Registration API available
Account management API available

Users will be able to add technology and site assessments and receive restuls in JSON
API documentation
API documentation formats
Open API (also known as Swagger)
API sandbox or test environment
Customisation available
Description of customisation
Dedicated URL and branding provided at set up for the web application.

List of installers can be customised e.g. those on a procurement framework.

All customisation is provided in the set up phase


Independence of resources
Huge contingency built into Amazon Web Services cloud.
We can vertically scale the service to meet demand and we can also provide dedicated instances to specific customers.


Service usage metrics
Metrics types
Number of users accessing the software.

Renewable technologies added to the platform.
Reporting types
  • Real-time dashboards
  • Reports on request


Supplier type
Not a reseller

Staff security

Staff security clearance
Staff screening not performed
Government security clearance
Up to Developed Vetting (DV)

Asset protection

Knowledge of data storage and processing locations
Data storage and processing locations
European Economic Area (EEA)
User control over data storage and processing locations
Datacentre security standards
Complies with a recognised standard (for example CSA CCM version 3.0)
Penetration testing frequency
At least every 6 months
Penetration testing approach
Protecting data at rest
Physical access control, complying with another standard
Data sanitisation process
Data sanitisation type
Deleted data can’t be directly accessed
Equipment disposal approach
In-house destruction process

Data importing and exporting

Data export approach
Using buttons at various stages throughout the assessments.
Assessment reports are sent to the users email address.
Portfolio reports are exported to PDF or xlsx
The API exposes data in JSON
Data export formats
  • CSV
  • ODF
  • Other
Other data export formats
  • MS Word
  • MS Excel
Data import formats
  • CSV
  • Other
Other data import formats
MS Excel

Data-in-transit protection

Data protection between buyer and supplier networks
  • TLS (version 1.2 or above)
  • IPsec or TLS VPN gateway
Data protection within supplier network
  • TLS (version 1.2 or above)
  • IPsec or TLS VPN gateway

Availability and resilience

Guaranteed availability
Servers is hosted with Amazon Web Services and SLAs are consistent with their uptime.
Releases are scheduled and notified 24 hours in advance
Approach to resilience
In line with AWS. Data is backed up every 5 minutes and stored for 2 weeks.
Outage reporting
Email alerts
Twitter alerts

Identity and authentication

User authentication needed
User authentication
Username or password
Access restrictions in management interfaces and support channels
We do not expose management interfaces or support channels to the public internet.

Elevated permissions are granted only where there is a job requirement to do so.
Access restriction testing frequency
Management access authentication
Username or password

Audit information for users

Access to user activity audit information
No audit information available
Access to supplier activity audit information
No audit information available
How long system logs are stored for
At least 12 months

Standards and certifications

ISO/IEC 27001 certification
ISO 28000:2007 certification
CSA STAR certification
PCI certification
Other security certifications

Security governance

Named board-level person responsible for service security
Security governance certified
Security governance approach
Data is encrypted in transit using SSl and HTTPs, passwords encrypted at rest.
Access to the data is limited to master credentials for AWS.
Information security policies and processes
2 developers have access to data in UAT and report to the Senior Developer.

The Senior developer reports directly to the CTO and CEO.

Operational security

Configuration and change management standard
Supplier-defined controls
Configuration and change management approach
Change is captured in a ticketing system.
Change is grouped into sprints with planned releases.
We perform full regression testing before live releases.
The security impact of any change is assessed at design and implementation time.
Vulnerability management type
Vulnerability management approach
Operating system patches and service packs are deployed as they become available.
The frameworks used to develop the software are updated and the relevant patterns used to protect against common vulnerabilities.
We source threat information for OWASP
Protective monitoring type
Protective monitoring approach
We monitor and log traffic in AWS.
We can rapidly change firewalls and access controls on the component parts of the software to mitigate compromise.
We respond to incidents as our highest priority.
Incident management type
Incident management approach
Users can report incidents through the web site, API, twitter and email.
We aim to restore normal service as fast as possible and communicate with our users through all unaffected channels.

Secure development

Approach to secure software development best practice
Supplier-defined process

Public sector networks

Connection to public sector networks


£1125 per licence per year
Discount for educational organisations
Free trial available
Description of free trial
One site can be assessed for all current technologies for free.
The ability to generate a site feasibility report is not permitted without the payment of a small fee.
There is no time limit on the free trial.
Link to free trial

Service documents

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