- Market Driven Approach Can Illuminate Lighting Options For Rural Areas - 1995
- Lighting Services For The Rural Poor - Test Marketing and Evaluation of 7 Solar Lantern Units In Rural Kenya - World Bank - 1996
- An Intelligent Energy Plan For Kenya - Executive Magazine - 1996
- Northern Values Southern Realities Eco-Forum Magazine - 1996
- Rural Electrification People Would Rather Watch TV - Executive Magazine -1997
- On-Line, Off-Line GEF at Grassroots Gaps Eco-Forum Magazine - 1997
- Journal Of Energy In Southern Africa - Solar Lanterns - Results of Marketing Tests in Rural Africa -1998
- Solar Electricity in a Maasai Hospital Home Power - 1998
- The NGO as Entreprenuer - 1999
- The Energy Future of East Africa Eco-Forum- 1999
- The Kenya PV Experience - 2001
- Building the Market for PV in Africa - 2001
- Rural Electrification, Privatisation and Role of Off-Grid Power - 2002
- Power Struggle - Can Micro-Home Lead Rural EA Out of Darkness Eco-Forum - 2003
- PV Africa The Way Forward - 2004
- It's Time to Get Serious About PV Systems in Africa - 2004
