Purpose: The purpose of this study was to determine the factors influencing credit access for firms in the biogas sub sector in Kenya.Methodology: The study adopted descriptive survey. The target population of the study was the firms in biogas sub sector in Kenya. A sample of 40 firms was selected from all the firms using the random sampling technique. Both qualitative and quantitative data was collected using a questionnaire that consisted of both open ended and close ended questions. Data was analyzed using Statistical Package for Social Sciences (SPSS) and results presented in frequency tables to show how the responses for the various questions posed to the respondents. The data was then analyzed in terms of descriptive statistics like frequencies, means and percentages.Results: The study findings revealed that firms in biogas sub sector had low access to credit from the banks. It was also possible to conclude that age of firm, capital invested, size of the business, financial records, risk preference and access to information influence the level of access to credit by renewable energy sector firms.Policy recommendation: It is recommended that micro financing institutions should regulate the products and services they offer to SMEs so as to have all clients enclosed in their loan portfolio. The study further recommends that banks should work hand in hand with the government to support upcoming businesses and offer financial support.